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Physical Review Accelerators and Beams
Number of Followers: 3  Open Access journalISSN (Print) 1098-4402 - ISSN (Online) 2469-9888 Published by APS  [14 journals]
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- Barrier bucket gymnastics and transversely split proton beams: Performance
at the CERN Proton and Super Proton Synchrotrons
Authors: M. Vadai; A. Alomainy, H. Damerau, M. Giovannozzi, A. Huschauer
First page: 050101
Abstract: Author(s): M. Vadai, A. Alomainy, H. Damerau, M. Giovannozzi, and A. Huschauer
Combination of transverse beam splitting with a barrier bucket would make it possible to perform a quasiloss-free multiturn extraction at the CERN Proton Synchrotron.
[Phys. Rev. Accel. Beams 25, 050101] Published Fri May 20, 2022
Keywords: Low- and Intermediate-Energy Accelerators
Citation: Phys. Rev. Accel. Beams 25, 050101 (2022)
PubDate: 2022-05-20T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.050101
Issue No: Vol. 25, No. 5 (2022)
- Signatures of misalignment in x-ray cavities of cavity-based x-ray
free-electron lasers
Authors: Peng Qi; Yuri Shvyd’ko
First page: 050701
Abstract: Author(s): Peng Qi and Yuri Shvyd’ko
Cavity-based x-ray free-electron lasers (CBXFEL) will allow the use of optical cavity feedback to support generation of fully coherent x-rays of high brilliance and stability by electrons in undulators. CBXFEL optical cavities comprise Bragg-reflecting flat crystal mirrors, which ensure x-rays circu…
[Phys. Rev. Accel. Beams 25, 050701] Published Thu May 05, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 050701 (2022)
PubDate: 2022-05-05T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.050701
Issue No: Vol. 25, No. 5 (2022)
- Linearly and circularly polarized radiation with a low on-axis heat load
from an asymmetric magnet pole undulator
Authors: Zhouyu Zhao; Qika Jia
First page: 050702
Abstract: Author(s): Zhouyu Zhao and Qika Jia
The heavy heat load on optical components from the normal planar undulator has become a serious problem in the synchrotron radiation light source, especially for generating the low-energy photon in a high-energy storage ring and/or a diffraction-limited storage ring. The asymmetric magnet pole undul…
[Phys. Rev. Accel. Beams 25, 050702] Published Tue May 17, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 050702 (2022)
PubDate: 2022-05-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.050702
Issue No: Vol. 25, No. 5 (2022)
- Equilibrium parameters in coupled storage ring lattices and practical
applications
Authors: V. Ziemann; A. Streun
First page: 050703
Abstract: Author(s): V. Ziemann and A. Streun
We calculate equilibrium emittances and damping times due to the emission of synchrotron radiation for coupled storage ring lattices by evaluating the projections of the commonly used synchrotron radiation integrals onto the normal modes of the coupled motion. Orbit distortion is included by calcula…
[Phys. Rev. Accel. Beams 25, 050703] Published Wed May 18, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 050703 (2022)
PubDate: 2022-05-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.050703
Issue No: Vol. 25, No. 5 (2022)
- Gold-gold luminosity increase in RHIC for a beam energy scan with
colliding beam energies extending below the nominal injection energy
Authors: C. Liu et al.
First page: 051001
Abstract: Author(s): C. Liu et al.
The Beam Energy Scan phase II (BES-II), performed in the Relativistic Heavy Ion Collider (RHIC) from 2019 to 2021, explored the phase transition between quark-gluon plasma and hadronic gas. BES-II exceeded the goal of a fourfold increase in the average luminosity over that achieved during Beam Energ…
[Phys. Rev. Accel. Beams 25, 051001] Published Thu May 05, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 051001 (2022)
PubDate: 2022-05-05T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.051001
Issue No: Vol. 25, No. 5 (2022)
- Generation of 565 MW of $X$-band power using a metamaterial power
extractor for structure-based wakefield acceleration
Authors: Julian Picard; Ivan Mastovsky, Michael A. Shapiro, Richard J. Temkin, Xueying Lu, Manoel Conde, D. Scott Doran, Gwanghui Ha, John G. Power, Jiahang Shao, Eric E. Wisniewski, Chunguang Jing
First page: 051301
Abstract: Author(s): Julian Picard, Ivan Mastovsky, Michael A. Shapiro, Richard J. Temkin, Xueying Lu, Manoel Conde, D. Scott Doran, Gwanghui Ha, John G. Power, Jiahang Shao, Eric E. Wisniewski, and Chunguang Jing
We report the generation of up to 565 MW, 2.7 ns (FWHM) pulses at 11.7 GHz from a metamaterial structure in test at the Argonne Wakefield Accelerator. The highest power was generated by a train of eight 65 MeV electron bunches spaced at 1.3 GHz with a total charge of 355 nC. The metamaterial structu…
[Phys. Rev. Accel. Beams 25, 051301] Published Mon May 16, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 051301 (2022)
PubDate: 2022-05-16T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.051301
Issue No: Vol. 25, No. 5 (2022)
- Simulation studies for upgrading a high-intensity surface muon beamline at
Paul Scherrer Institute
Authors: Lu-Ping Zhou; Xiao-Jie Ni, Zaher Salman, Andreas Suter, Jing-Yu Tang, Vjeran Vrankovic, Thomas Prokscha
First page: 051601
Abstract: Author(s): Lu-Ping Zhou, Xiao-Jie Ni, Zaher Salman, Andreas Suter, Jing-Yu Tang, Vjeran Vrankovic, and Thomas Prokscha
The $μ\mathrm{E}4$-LEM beamline at Paul Scherrer Institute (PSI, Switzerland) is a special muon beamline combining the hybrid-type surface muon beamline $μ\mathrm{E}4$ with the low-energy muon (LEM) facility and delivers ${μ}^{+}$ with tunable energy up to 30 keV for low-energy muon spin rotation (L…
[Phys. Rev. Accel. Beams 25, 051601] Published Mon May 09, 2022
Keywords: Design Studies
Citation: Phys. Rev. Accel. Beams 25, 051601 (2022)
PubDate: 2022-05-09T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.051601
Issue No: Vol. 25, No. 5 (2022)
- Two-dimensional electron beam size measurements with x-ray heterodyne near
field speckles
Authors: M. Siano; B. Paroli, M. A. C. Potenza, L. Teruzzi, U. Iriso, A. A. Nosych, E. Solano, L. Torino, D. Butti, A. Goetz, T. Lefevre, S. Mazzoni, G. Trad
First page: 052801
Abstract: Author(s): M. Siano, B. Paroli, M. A. C. Potenza, L. Teruzzi, U. Iriso, A. A. Nosych, E. Solano, L. Torino, D. Butti, A. Goetz, T. Lefevre, S. Mazzoni, and G. Trad
In this paper we report on recent two-dimensional (2D) electron beam size measurements with a nonconventional synchrotron radiation interferometric technique based on x-ray heterodyne near field speckles (HNFS). The method relies on Fourier analysis of the random speckle patterns generated by a wate…
[Phys. Rev. Accel. Beams 25, 052801] Published Mon May 09, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 052801 (2022)
PubDate: 2022-05-09T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.052801
Issue No: Vol. 25, No. 5 (2022)
- Simultaneous beam-based alignment measurement for multiple magnets by
correcting induced orbit shift
Authors: Xiaobiao Huang
First page: 052802
Abstract: Author(s): Xiaobiao Huang
We propose a method to simultaneously determine the magnetic centers of multiple quadrupoles in a transport line or a storage ring. The method finds the magnet centers by correcting the induced orbit shift due to a change of the quadrupole gradient strengths, with the goal of eliminating or minimizi…
[Phys. Rev. Accel. Beams 25, 052802] Published Mon May 16, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 052802 (2022)
PubDate: 2022-05-16T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.052802
Issue No: Vol. 25, No. 5 (2022)
- Plasma photonic spatiotemporal synchronization of relativistic electron
and laser beams
Authors: P. Scherkl; A. Knetsch, T. Heinemann, A. Sutherland, A. F. Habib, O. S. Karger, D. Ullmann, A. Beaton, G. G. Manahan, Y. Xi, A. Deng, M. D. Litos, B. D. O’Shea, S. Z. Green, C. I. Clarke, G. Andonian, R. Assmann, D. L. Bruhwiler, J. Smith, J. R. Cary, M. J. Hogan, V. Yakimenko, J. B. Rosenzweig, B. Hidding
First page: 052803
Abstract: Author(s): P. Scherkl, A. Knetsch, T. Heinemann, A. Sutherland, A. F. Habib, O. S. Karger, D. Ullmann, A. Beaton, G. G. Manahan, Y. Xi, A. Deng, M. D. Litos, B. D. O’Shea, S. Z. Green, C. I. Clarke, G. Andonian, R. Assmann, D. L. Bruhwiler, J. Smith, J. R. Cary, M. J. Hogan, V. Yakimenko, J. B. Rosenzweig, and B. Hidding
We present an ultracompact plasma-based method to measure spatial and temporal concurrence of intense electron and laser beams nonintrusively at their interaction point. The electron beam couples with a laser-generated seed plasma in dependence of spatiotemporal overlap, which triggers additional pl…
[Phys. Rev. Accel. Beams 25, 052803] Published Tue May 17, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 052803 (2022)
PubDate: 2022-05-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.052803
Issue No: Vol. 25, No. 5 (2022)
- Mechanical and thermal design of the target neutral beam absorber for the
High-Luminosity LHC upgrade
Authors: P. Santos Díaz; F. Sanchez Galan, R. De Maria, E. Kepes, P. Steinberg, R. Longo, S. Mazzoni, F. Cerutti, M. Sabate Gilarte, A. Infantino, B. Salvant, M. Murray, O. Boettcher, J. Hansen, V. Baglin, N. Zelko, E. Bravin, H. Mainaud, P. Bestmann, A. Herty, P. Fessia, M. Gonzalez de la Aleja Cabana
First page: 053001
Abstract: Author(s): P. Santos Díaz, F. Sanchez Galan, R. De Maria, E. Kepes, P. Steinberg, R. Longo, S. Mazzoni, F. Cerutti, M. Sabate Gilarte, A. Infantino, B. Salvant, M. Murray, O. Boettcher, J. Hansen, V. Baglin, N. Zelko, E. Bravin, H. Mainaud, P. Bestmann, A. Herty, P. Fessia, and M. Gonzalez de la Aleja Cabana
The High-Luminosity target neutral beam absorber (TAXN) is the radiation absorber of the neutral particle debris generated at the beam collisions carried out in the ATLAS and CMS detectors at the Large Hadron Collider (LHC). The new absorber will protect the superconducting magnets from this radiati…
[Phys. Rev. Accel. Beams 25, 053001] Published Fri May 13, 2022
Keywords: Targets, Collimators, and Beam Dumps
Citation: Phys. Rev. Accel. Beams 25, 053001 (2022)
PubDate: 2022-05-13T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.053001
Issue No: Vol. 25, No. 5 (2022)
- Anomalous correlation between quantum efficiency and transverse momentum
spread in semiconductor cathode photoemission
Authors: Peng-Wei Huang; Houjun Qian, Ye Chen, Matthias Gross, Igor Isaev, Christian Koschitzki, Mikhail Krasilnikov, Shankar Lal, Sven Lederer, Xiangkun Li, Osip Lishilin, David Melkumyan, Laura Monaco, Paolo Michelato, Raffael Niemczyk, Anne Oppelt, Daniele Sertore, Hamed Shaker, Guan Shu, Frank Stephan, Chuanxiang Tang, Grygorii Vashchenko
First page: 053401
Abstract: Author(s): Peng-Wei Huang, Houjun Qian, Ye Chen, Matthias Gross, Igor Isaev, Christian Koschitzki, Mikhail Krasilnikov, Shankar Lal, Sven Lederer, Xiangkun Li, Osip Lishilin, David Melkumyan, Laura Monaco, Paolo Michelato, Raffael Niemczyk, Anne Oppelt, Daniele Sertore, Hamed Shaker, Guan Shu, Frank Stephan, Chuanxiang Tang, and Grygorii Vashchenko
The next generation of accelerator based scientific facilities, such as the megahertz repetition rate free electron laser and electron-ion collider, relies on photoelectron sources of high peak and high average brightness. Therefore, photocathodes with both low transverse momentum spread (TMS) and h…
[Phys. Rev. Accel. Beams 25, 053401] Published Thu May 12, 2022
Keywords: Particle-Beam Sources
Citation: Phys. Rev. Accel. Beams 25, 053401 (2022)
PubDate: 2022-05-12T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.053401
Issue No: Vol. 25, No. 5 (2022)
- Development of an autotuning magnet girder with high stability and
accuracy
Authors: Haijing Wang; Zihao Wang, Chunhua Li, Jia Liu, Hongyan Zhu, Huamin Qu
First page: 053501
Abstract: Author(s): Haijing Wang, Zihao Wang, Chunhua Li, Jia Liu, Hongyan Zhu, and Huamin Qu
With the development of high-performance photon sources which have extremely low emittance, autotuning magnet girders have drawn more and more attention, especially for diffraction-limited storage rings and free-electron lasers. The biggest challenge is to simultaneously obtain high stability and hi…
[Phys. Rev. Accel. Beams 25, 053501] Published Wed May 18, 2022
Keywords: Other Accelerator Subsystems and Technologies
Citation: Phys. Rev. Accel. Beams 25, 053501 (2022)
PubDate: 2022-05-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.053501
Issue No: Vol. 25, No. 5 (2022)
- Emittance growth of kicked and mismatched beams due to amplitude-dependent
tune shift
Authors: E. Waagaard; V. Ziemann
First page: 054001
Abstract: Author(s): E. Waagaard and V. Ziemann
We derive evolution equations for the first and second moments of an initially mismatched, coupled, and displaced arbitrary Gaussian phase-space distribution under the influence of decoherence due to amplitude-dependent tune shift. Moreover, we find expressions for the asymptotic values of the beam …
[Phys. Rev. Accel. Beams 25, 054001] Published Fri May 20, 2022
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 054001 (2022)
PubDate: 2022-05-20T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.054001
Issue No: Vol. 25, No. 5 (2022)
- Stability study of intense hadron bunches in linear accelerators using a
Paul ion trap
Authors: M. Goto; C. Ichikawa, K. Ito, K. Kojima, H. Okamoto
First page: 054201
Abstract: Author(s): M. Goto, C. Ichikawa, K. Ito, K. Kojima, and H. Okamoto
A compact novel Paul ion trap to experimentally study the stability of intense beams in linear accelerators in a table-top environment.
[Phys. Rev. Accel. Beams 25, 054201] Published Thu May 05, 2022
Keywords: Low-Energy, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 054201 (2022)
PubDate: 2022-05-05T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.054201
Issue No: Vol. 25, No. 5 (2022)
- Emittance in nonlinear Thomson scattering
Authors: Erik Johnson; Elizabeth Breen, Geoffrey A. Krafft, Balša Terzić
First page: 054401
Abstract: Author(s): Erik Johnson, Elizabeth Breen, Geoffrey A. Krafft, and Balša Terzić
Inverse Compton scattering sources are finding increasing use as intense sources of high-energy photons. When operated at high field strength, ponderomotive detuning of the scattered emission can lead to decreased source performance. Up to now, the calculations of spectra for such nonlinear Thomson …
[Phys. Rev. Accel. Beams 25, 054401] Published Fri May 06, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 054401 (2022)
PubDate: 2022-05-06T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.054401
Issue No: Vol. 25, No. 5 (2022)
- Simulation study of the space charge limit in heavy-ion synchrotrons
Authors: Adrian Oeftiger; Oliver Boine-Frankenheim, Vera Chetvertkova, Vladimir Kornilov, Dmitrii Rabusov, Stefan Sorge
First page: 054402
Abstract: Author(s): Adrian Oeftiger, Oliver Boine-Frankenheim, Vera Chetvertkova, Vladimir Kornilov, Dmitrii Rabusov, and Stefan Sorge
The SIS100 synchrotron as a part of the new Facility for Antiproton and Ion Research (FAIR) accelerator facility at GSI should be operated at the “space charge limit” for light- and heavy-ion beams. Beam losses due to space-charge-induced resonance crossing should not exceed a few percent during a f…
[Phys. Rev. Accel. Beams 25, 054402] Published Mon May 16, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 054402 (2022)
PubDate: 2022-05-16T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.054402
Issue No: Vol. 25, No. 5 (2022)
- Circular attractors as heating mechanism in coherent electron cooling
Authors: S. Seletskiy; A. Fedotov, D. Kayran
First page: 054403
Abstract: Author(s): S. Seletskiy, A. Fedotov, and D. Kayran
We show that under certain conditions a longitudinal mismatch between an electron and a hadron beam in a coherent electron cooling (CeC) scheme creates a circular attractor in the longitudinal phase space of the cooled hadrons. Formation of an attractor completely stops the cooling and results in an…
[Phys. Rev. Accel. Beams 25, 054403] Published Wed May 18, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 054403 (2022)
PubDate: 2022-05-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.054403
Issue No: Vol. 25, No. 5 (2022)
- High brilliance beam investigations at the universal linear accelerator
Authors: W. Barth; U. Scheeler, H. Vormann, M. Miski-Oglu, M. Vossberg, S. Yaramyshev
First page: 040101
Abstract: Author(s): W. Barth, U. Scheeler, H. Vormann, M. Miski-Oglu, M. Vossberg, and S. Yaramyshev
The more than 45-year-old GSI-UNILAC (universal linear accelerator) as well as the heavy ion synchrotron SIS18 will serve as a high-current heavy ion injector for the new Facility for Antiproton and Ion Research (FAIR) synchrotron SIS100. UNILAC will serve together with the SIS18 as FAIR injector fo…
[Phys. Rev. Accel. Beams 25, 040101] Published Thu Apr 21, 2022
Keywords: Low- and Intermediate-Energy Accelerators
Citation: Phys. Rev. Accel. Beams 25, 040101 (2022)
PubDate: 2022-04-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.040101
Issue No: Vol. 25, No. 4 (2022)
- Single-shot transverse coherence in seeded and unseeded free-electron
lasers: A comparison
Authors: M. Pop; E. Allaria, F. Curbis, G. Geloni, M. Manfredda, S. Di Mitri, L. Foglia, D. Garzella, L. Giannessi, B. Mahieu, N. Mahne, N. Mirian, G. Penco, G. Perosa, P. R. Ribič, A. Simoncig, S. Spampinati, C. Spezzani, M. Trovò, S. Werin, M. Zangrando, G. De Ninno
First page: 040701
Abstract: Author(s): M. Pop, E. Allaria, F. Curbis, G. Geloni, M. Manfredda, S. Di Mitri, L. Foglia, D. Garzella, L. Giannessi, B. Mahieu, N. Mahne, N. Mirian, G. Penco, G. Perosa, P. R. Ribič, A. Simoncig, S. Spampinati, C. Spezzani, M. Trovò, S. Werin, M. Zangrando, and G. De Ninno
The advent of x-ray free-electron lasers (FELs) drastically enhanced the capabilities of several analytical techniques, for which the degree of transverse (spatial) coherence of the source is essential. FELs can be operated in self-amplified spontaneous emission (SASE) or seeded configurations, whic…
[Phys. Rev. Accel. Beams 25, 040701] Published Wed Apr 06, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 040701 (2022)
PubDate: 2022-04-06T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.040701
Issue No: Vol. 25, No. 4 (2022)
- Designing linear lattices for round beam in electron storage rings using
the solution by linear matrices analysis
Authors: Yongjun Li; Robert Rainer
First page: 040702
Abstract: Author(s): Yongjun Li and Robert Rainer
For some synchrotron light source beamline applications, a round beam is preferable to a flat one. A conventional method of obtaining a round beam in an electron storage ring is to shift its tune close to a linear difference resonance. The linearly coupled beam dynamics is analyzed with perturbation…
[Phys. Rev. Accel. Beams 25, 040702] Published Thu Apr 21, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 040702 (2022)
PubDate: 2022-04-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.040702
Issue No: Vol. 25, No. 4 (2022)
- Suppression of emittance variation in extremely low emittance light source
storage rings
Authors: Toshihiko Hiraiwa; Kouichi Soutome, Hitoshi Tanaka
First page: 040703
Abstract: Author(s): Toshihiko Hiraiwa, Kouichi Soutome, and Hitoshi Tanaka
A passive method based on an optimized quasiachromatic condition effectively suppresses emittance variation during the independent tuning of insertion devices (IDs), which is one of the major obstacles for conducting precise experiments in extremely low emittance light source storage rings. This met…
[Phys. Rev. Accel. Beams 25, 040703] Published Tue Apr 26, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 040703 (2022)
PubDate: 2022-04-26T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.040703
Issue No: Vol. 25, No. 4 (2022)
- Parametric Mössbauer radiation source
Authors: O. D. Skoromnik; I. D. Feranchuk, J. Evers, C. H. Keitel
First page: 040704
Abstract: Author(s): O. D. Skoromnik, I. D. Feranchuk, J. Evers, and C. H. Keitel
Numerous applications of Mössbauer spectroscopy are related to a unique resolution of absorption spectra of resonant radiation in crystals, when the nucleus absorbs a photon without a recoil. However, the narrow nuclear linewidth renders efficient driving of the nuclei challenging, restricting preci…
[Phys. Rev. Accel. Beams 25, 040704] Published Wed Apr 27, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 040704 (2022)
PubDate: 2022-04-27T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.040704
Issue No: Vol. 25, No. 4 (2022)
- Dust-induced beam losses in the cryogenic arcs of the CERN Large Hadron
Collider
Authors: A. Lechner; P. Bélanger, I. Efthymiopoulos, L. Grob, B. Lindstrom, R. Schmidt, D. Wollmann
First page: 041001
Abstract: Author(s): A. Lechner, P. Bélanger, I. Efthymiopoulos, L. Grob, B. Lindstrom, R. Schmidt, and D. Wollmann
High-energy protons colliding with dust particles can quench superconducting magnets.
[Phys. Rev. Accel. Beams 25, 041001] Published Fri Apr 01, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 041001 (2022)
PubDate: 2022-04-01T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.041001
Issue No: Vol. 25, No. 4 (2022)
- Phase advance constraint in $K$ modulation for precise $β$-function
determination
Authors: H. Garcia-Morales; M. Hofer, E. H. Maclean, L. van Riesen-Haupt, R. Tomás
First page: 041002
Abstract: Author(s): H. Garcia-Morales, M. Hofer, E. H. Maclean, L. van Riesen-Haupt, and R. Tomás
A precise determination of the $β$ function at different locations of an accelerator is essential to allow accurate optics correction and to ensure high machine performance. The $β$ function can only be measured directly at locations where beam position monitors are installed. For other locations, w…
[Phys. Rev. Accel. Beams 25, 041002] Published Mon Apr 11, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 041002 (2022)
PubDate: 2022-04-11T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.041002
Issue No: Vol. 25, No. 4 (2022)
- Design, fabrication, and low-power rf measurement of an $X$-band
dielectric-loaded accelerating structure
Authors: Yelong Wei; Hikmet Bursali, Alexej Grudiev, Ben Freemire, Chunguang Jing, Rolf Wegner, Joel Sauza Bedolla, Carsten Welsch
First page: 041301
Abstract: Author(s): Yelong Wei, Hikmet Bursali, Alexej Grudiev, Ben Freemire, Chunguang Jing, Rolf Wegner, Joel Sauza Bedolla, and Carsten Welsch
This paper presents the design, fabrication, and low-power rf measurement of an externally powered $X$-band dielectric-loaded accelerating (DLA) structure with a dielectric constant ${ϵ}_{\mathrm{r}}=16.66$ and a loss tangent $\mathrm{tan}δ=3.43×{10}^{−5}$. A dielectric matching section for coupling…
[Phys. Rev. Accel. Beams 25, 041301] Published Mon Apr 11, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 041301 (2022)
PubDate: 2022-04-11T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.041301
Issue No: Vol. 25, No. 4 (2022)
- Design of a 10 MeV, 1000 kW average power electron-beam accelerator for
wastewater treatment applications
Authors: R. C. Dhuley; I. Gonin, S. Kazakov, T. Khabiboulline, A. Sukhanov, V. Yakovlev, A. Saini, N. Solyak, A. Sauers, J. C. T. Thangaraj, K. Zeller, B. Coriton, R. Kostin
First page: 041601
Abstract: Author(s): R. C. Dhuley, I. Gonin, S. Kazakov, T. Khabiboulline, A. Sukhanov, V. Yakovlev, A. Saini, N. Solyak, A. Sauers, J. C. T. Thangaraj, K. Zeller, B. Coriton, and R. Kostin
We present the technical and engineering design of a medium energy (10 MeV) and high average power (1000 kW) electron-beam accelerator intended for irradiation treatment of high-volume industrial and municipal wastewater. The accelerator uses a ${\mathrm{Nb}}_{3}\mathrm{Sn}$ superconducting radio-fr…
[Phys. Rev. Accel. Beams 25, 041601] Published Thu Apr 21, 2022
Keywords: Design Studies
Citation: Phys. Rev. Accel. Beams 25, 041601 (2022)
PubDate: 2022-04-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.041601
Issue No: Vol. 25, No. 4 (2022)
- High gradient performance and quench behavior of a verification cryomodule
for a high energy continuous wave linear accelerator
Authors: S. Posen et al.
First page: 042001
Abstract: Author(s): S. Posen et al.
An eight-cavity, 1.3 GHz, SLAC linac coherent light source II High Energy cryomodule was assembled and tested at Fermilab to verify performance before the start of production. Its cavities were processed with a novel nitrogen doping treatment to improve gradient performance. The cryomodule was teste...
[Phys. Rev. Accel. Beams 25, 042001] Published Mon Apr 04, 2022
Keywords: Radio Frequency Calculations and Technology
Citation: Phys. Rev. Accel. Beams 25, 042001 (2022)
PubDate: 2022-04-04T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.042001
Issue No: Vol. 25, No. 4 (2022)
- 4D transverse phase space tomography of an operational hydrogen ion beam
via noninvasive 2D measurements using laser wires
Authors: Jonathan C. Wong; Andrei Shishlo, Alexander Aleksandrov, Yun Liu, Cary Long
First page: 042801
Abstract: Author(s): Jonathan C. Wong, Andrei Shishlo, Alexander Aleksandrov, Yun Liu, and Cary Long
Utilizing noninvasive 2D scans with laser wires, we tomographically reconstructed the 4D transverse phase space distribution of a 1-GeV hydrogen ion (i.e., ${\mathrm{H}}^{−}$) beam during operation. The 4D tomography is based on two new advances. First, we extended the formulation of maximum entropy…
[Phys. Rev. Accel. Beams 25, 042801] Published Wed Apr 13, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 042801 (2022)
PubDate: 2022-04-13T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.042801
Issue No: Vol. 25, No. 4 (2022)
- Collimator irradiation studies in the Argonne Advanced Photon Source at
energy densities expected in next-generation storage ring light sources
Authors: J. Dooling; M. Borland, W. Berg, J. Calvey, G. Decker, L. Emery, K. Harkay, R. Lindberg, G. Navrotksi, V. Sajaev, S. Shoaf, Y. P. Sun, K. P. Wootton, A. Xiao, A. Grannan, A. H. Lumpkin
First page: 043001
Abstract: Author(s): J. Dooling, M. Borland, W. Berg, J. Calvey, G. Decker, L. Emery, K. Harkay, R. Lindberg, G. Navrotksi, V. Sajaev, S. Shoaf, Y. P. Sun, K. P. Wootton, A. Xiao, A. Grannan, and A. H. Lumpkin
The Advanced Photon Source (APS) team is building a fourth-generation storage ring (4GSR), replacing the present double-bend achromat lattice with a multibend achromat system thereby allowing the production of ultrabright x-ray beams. The new lattice enables a 2-order-of-magnitude reduction in horiz…
[Phys. Rev. Accel. Beams 25, 043001] Published Fri Apr 08, 2022
Keywords: Targets, Collimators, and Beam Dumps
Citation: Phys. Rev. Accel. Beams 25, 043001 (2022)
PubDate: 2022-04-08T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.043001
Issue No: Vol. 25, No. 4 (2022)
- Field analysis for a highly overmoded iris line with application to THz
radiation transport
Authors: Adham Naji; Gennady Stupakov, Zhirong Huang, Karl Bane
First page: 043501
Abstract: Author(s): Adham Naji, Gennady Stupakov, Zhirong Huang, and Karl Bane
Vector field analysis is presented for a highly overmoded iris-line structure that can act as a medium of transportation for THz radiation. The axisymmetric structure is capable of supporting hybrid modes with desirable features such as low propagation loss, uniformly linear polarization and approxi…
[Phys. Rev. Accel. Beams 25, 043501] Published Wed Apr 06, 2022
Keywords: Other Accelerator Subsystems and Technologies
Citation: Phys. Rev. Accel. Beams 25, 043501 (2022)
PubDate: 2022-04-06T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.043501
Issue No: Vol. 25, No. 4 (2022)
- Inverse analysis of critical current density in a bulk high-temperature
superconducting undulator
Authors: Ryota Kinjo; Marco Calvi, Kai Zhang, Sebastian Hellmann, Xiaoyang Liang, Thomas Schmidt, Mark D. Ainslie, Anthony R. Dennis, John H. Durrell
First page: 043502
Abstract: Author(s): Ryota Kinjo, Marco Calvi, Kai Zhang, Sebastian Hellmann, Xiaoyang Liang, Thomas Schmidt, Mark D. Ainslie, Anthony R. Dennis, and John H. Durrell
In order to optimize the design of undulators using high-temperature superconductor (HTS) bulks we have developed a method to estimate the critical current density (${J}_{c}$) of each bulk from the overall measured magnetic field of an undulator. The vertical magnetic field was measured along the el…
[Phys. Rev. Accel. Beams 25, 043502] Published Fri Apr 08, 2022
Keywords: Other Accelerator Subsystems and Technologies
Citation: Phys. Rev. Accel. Beams 25, 043502 (2022)
PubDate: 2022-04-08T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.043502
Issue No: Vol. 25, No. 4 (2022)
- Demonstration of eigen-to-projected emittance mapping for an ellipsoidal
electron bunch
Authors: T. Xu; D. S. Doran, W. Liu, P. Piot, J. G. Power, C. Whiteford, E. Wisniewski
First page: 044001
Abstract: Author(s): T. Xu, D. S. Doran, W. Liu, P. Piot, J. G. Power, C. Whiteford, and E. Wisniewski
Phase-space partitioning offers an attractive path for the precise tailoring of complex dynamical systems. In beam physics, the proposed approach involves (i) producing beams with cross-plane correlations to control kinematic-moment invariants known as eigenemittances and (ii) mapping them to invari...
[Phys. Rev. Accel. Beams 25, 044001] Published Mon Apr 04, 2022
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 044001 (2022)
PubDate: 2022-04-04T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.044001
Issue No: Vol. 25, No. 4 (2022)
- Optimization of flat to round transformers with self-fields using adjoint
techniques
Authors: L. Dovlatyan; B. L. Beaudoin, S. Bernal, I. Haber, D. Sutter, T. M. Antonsen, Jr.
First page: 044002
Abstract: Author(s): L. Dovlatyan, B. L. Beaudoin, S. Bernal, I. Haber, D. Sutter, and T. M. Antonsen, Jr.
A continuous system of moment equations is introduced that models the transverse dynamics of a beam of charged particles as it passes through an arbitrary lattice of quadrupoles and solenoids in the presence of self-fields. Then, figures of merit are introduced specifying system characteristics to b…
[Phys. Rev. Accel. Beams 25, 044002] Published Wed Apr 06, 2022
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 044002 (2022)
PubDate: 2022-04-06T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.044002
Issue No: Vol. 25, No. 4 (2022)
- Quadrupole stability in nonuniform fill patterns
Authors: F. J. Cullinan; Å. Andersson, P. F. Tavares
First page: 044401
Abstract: Author(s): F. J. Cullinan, Å. Andersson, and P. F. Tavares
In previous publications, the effect of inhomogeneous beam loading of Landau cavities due to a nonuniform fill pattern in a storage ring has been studied with the aim of predicting the resulting longitudinal profiles of the bunches and their time offsets relative to the main rf [T. Olsson et al., Ph…
[Phys. Rev. Accel. Beams 25, 044401] Published Mon Apr 18, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 044401 (2022)
PubDate: 2022-04-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.044401
Issue No: Vol. 25, No. 4 (2022)
- Online Bayesian optimization for a recoil mass separator
Authors: S. A. Miskovich; F. Montes, G. P. A. Berg, J. Blackmon, K. A. Chipps, M. Couder, C. M. Deibel, K. Hermansen, A. A. Hood, R. Jain, T. Ruland, H. Schatz, M. S. Smith, P. Tsintari, L. Wagner
First page: 044601
Abstract: Author(s): S. A. Miskovich, F. Montes, G. P. A. Berg, J. Blackmon, K. A. Chipps, M. Couder, C. M. Deibel, K. Hermansen, A. A. Hood, R. Jain, T. Ruland, H. Schatz, M. S. Smith, P. Tsintari, and L. Wagner
The Separator for Capture Reactions (SECAR) is a next-generation recoil separator system at the Facility for Rare Isotope Beams (FRIB) designed for the direct measurement of capture reactions on unstable nuclei in inverse kinematics. To maximize the performance of this system, stringent requirements…
[Phys. Rev. Accel. Beams 25, 044601] Published Thu Apr 21, 2022
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 25, 044601 (2022)
PubDate: 2022-04-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.044601
Issue No: Vol. 25, No. 4 (2022)
- Stability of ionization-injection-based laser-plasma accelerators
Authors: Simon Bohlen; Jonathan C. Wood, Theresa Brümmer, Florian Grüner, Carl A. Lindstrøm, Martin Meisel, Theresa Staufer, Richard D’Arcy, Kristjan Põder, Jens Osterhoff
First page: 031301
Abstract: Author(s): Simon Bohlen, Jonathan C. Wood, Theresa Brümmer, Florian Grüner, Carl A. Lindstrøm, Martin Meisel, Theresa Staufer, Richard D’Arcy, Kristjan Põder, and Jens Osterhoff
Laser-plasma acceleration (LPA) is a compact technique to accelerate electron bunches to highly relativistic energies, making it a promising candidate to power radiation sources for industrial or medical applications. We report on the generation of electron beams from an 80 MeV-level LPA setup based...
[Phys. Rev. Accel. Beams 25, 031301] Published Tue Mar 15, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 031301 (2022)
PubDate: 2022-03-15T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.031301
Issue No: Vol. 25, No. 3 (2022)
- Longitudinal charge distribution measurement of nonrelativistic ion beams
using coherent transition radiation
Authors: R. Singh; T. Reichert
First page: 032801
Abstract: Author(s): R. Singh and T. Reichert
Longitudinal charge profile measurements or bunch shape measurements are a challenge for temporally short nonrelativistic bunches. The field profile has a larger longitudinal extent compared to the charge profile for such beams. This affects the ability of field sensing devices such as phase pickups...
[Phys. Rev. Accel. Beams 25, 032801] Published Wed Mar 23, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 032801 (2022)
PubDate: 2022-03-23T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.032801
Issue No: Vol. 25, No. 3 (2022)
- Atomistic modeling of the coupling between electric field and bulk plastic
deformation in fcc metals
Authors: Soumendu Bagchi; Danny Perez
First page: 033101
Abstract: Author(s): Soumendu Bagchi and Danny Perez
A notable impediment in maintaining high electric fields in accelerating structures is the onset of breakdown events. While bulk mechanical properties of the materials are known to significantly affect the breakdown propensity, the underlying mechanisms coupling electric fields to bulk plastic defor...
[Phys. Rev. Accel. Beams 25, 033101] Published Fri Mar 11, 2022
Keywords: Accelerator Materials and Surfaces
Citation: Phys. Rev. Accel. Beams 25, 033101 (2022)
PubDate: 2022-03-11T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.033101
Issue No: Vol. 25, No. 3 (2022)
- High voltage dc gun for high intensity polarized electron source
Authors: Erdong Wang; Omer Rahman, John Skaritka, Wei Liu, Jyoti Biswas, Christopher Degen, Patrick Inacker, Robert Lambiase, Matthew Paniccia
First page: 033401
Abstract: Author(s): Erdong Wang, Omer Rahman, John Skaritka, Wei Liu, Jyoti Biswas, Christopher Degen, Patrick Inacker, Robert Lambiase, and Matthew Paniccia
A high voltage dc gun for the generation of high bunch charge polarized electrons.
[Phys. Rev. Accel. Beams 25, 033401] Published Thu Mar 24, 2022
Keywords: Particle-Beam Sources
Citation: Phys. Rev. Accel. Beams 25, 033401 (2022)
PubDate: 2022-03-24T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.033401
Issue No: Vol. 25, No. 3 (2022)
- Crystal slow extraction of positrons from the Frascati
DA$\mathrm{Φ}$NE collider
Authors: M. Garattini; D. Annucci, O. R. Blanco-García, P. Gianotti, S. Guiducci, A. Liedl, M. Raggi, P. Valente
First page: 033501
Abstract: Author(s): M. Garattini, D. Annucci, O. R. Blanco-García, P. Gianotti, S. Guiducci, A. Liedl, M. Raggi, and P. Valente
The slow high-efficiency extraction from a ring positron accelerator (SHERPA) project’s aim is to develop an efficient technique to extract a positron beam from one of the accelerator rings composing the $\mathrm{DA}\mathrm{Φ}\mathrm{NE}$ complex at the Frascati National Laboratory of INFN, setting ...
[Phys. Rev. Accel. Beams 25, 033501] Published Mon Mar 14, 2022
Keywords: Other Accelerator Subsystems and Technologies
Citation: Phys. Rev. Accel. Beams 25, 033501 (2022)
PubDate: 2022-03-14T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.033501
Issue No: Vol. 25, No. 3 (2022)
- Application of high order symplectic integration methods with forward
integration steps in beam dynamics
Authors: K. Skoufaris; J. Laskar, Y. Papaphilippou, Ch. Skokos
First page: 034001
Abstract: Author(s): K. Skoufaris, J. Laskar, Y. Papaphilippou, and Ch. Skokos
The Hamiltonian describing particle motion in an accelerator belongs to a large class of systems, the members of which can be integrated with a new set of high order symplectic integrators. One benefit of these integrators is their strong numerical stability, which results from the inclusion of only...
[Phys. Rev. Accel. Beams 25, 034001] Published Thu Mar 31, 2022
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 034001 (2022)
PubDate: 2022-03-31T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.034001
Issue No: Vol. 25, No. 3 (2022)
- Minimizing emittance growth via low emittance transfer
Authors: Chuan Zhang
First page: 034201
Abstract: Author(s): Chuan Zhang
The longitudinal-transverse coupling is an important source for space-charge-induced emittance growth in high intensity proton and ion linacs. Different from the equipartitioning method which tries to avoid the longitudinal-transverse coupling, a new design approach has been developed to minimize em...
[Phys. Rev. Accel. Beams 25, 034201] Published Wed Mar 09, 2022
Keywords: Low-Energy, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 034201 (2022)
PubDate: 2022-03-09T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.034201
Issue No: Vol. 25, No. 3 (2022)
- Freeform shape optimization of a compact dc photoelectron gun using
isogeometric analysis
Authors: Peter Förster; Sebastian Schöps, Joachim Enders, Maximilian Herbert, Abele Simona
First page: 034601
Abstract: Author(s): Peter Förster, Sebastian Schöps, Joachim Enders, Maximilian Herbert, and Abele Simona
Compact dc high-voltage photoelectron guns are able to meet the sophisticated demands of high-current applications such as energy recovery linacs. A main design parameter for such sources is the electric field strength, which depends on the electrode geometry and is limited by the field emission thr...
[Phys. Rev. Accel. Beams 25, 034601] Published Fri Mar 04, 2022
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 25, 034601 (2022)
PubDate: 2022-03-04T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.034601
Issue No: Vol. 25, No. 3 (2022)
- Simulation of space-charge effects using a quantum Schrödinger
approach
Authors: Ji Qiang
First page: 034602
Abstract: Author(s): Ji Qiang
Space-charge effects play an important role in high intensity and high brightness particle accelerators. These effects were generally studied self-consistently by solving the Vlasov-Poisson equations using a particle-in-cell method in the accelerator community. In this paper, we propose an alternati...
[Phys. Rev. Accel. Beams 25, 034602] Published Thu Mar 24, 2022
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 25, 034602 (2022)
PubDate: 2022-03-24T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.034602
Issue No: Vol. 25, No. 3 (2022)
- Oak Ridge Spallation Neutron Source superconducting rf linac availability
performance and demonstration of operation restoration with
superconducting rf cavity off
Authors: V. S. Morozov; C. C. Peters, A. P. Shishlo
First page: 020101
Abstract: Author(s): V. S. Morozov, C. C. Peters, and A. P. Shishlo
Recent advances in superconducting rf (SRF) technology allow for increasingly more reliable and higher power hadron linacs. They hold enormous potential for economic, scientific, medical, environmental, and national security fields. Moving this technology from one of a kind laboratory demonstration ...
[Phys. Rev. Accel. Beams 25, 020101] Published Thu Feb 17, 2022
Keywords: Low- and Intermediate-Energy Accelerators
Citation: Phys. Rev. Accel. Beams 25, 020101 (2022)
PubDate: 2022-02-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.020101
Issue No: Vol. 25, No. 2 (2022)
- Optimization of a traveling wave superconducting rf cavity for upgrading
the International Linear Collider
Authors: V. Shemelin; H. Padamsee, V. Yakovlev
First page: 021001
Abstract: Author(s): V. Shemelin, H. Padamsee, and V. Yakovlev
The standing wave TESLA niobium-based superconducting radio frequency structure is limited to an accelerating gradient of about $50\text{ }\text{ }\mathrm{MV}/\mathrm{m}$ by the critical rf magnetic field. To break through this barrier, we explore the option of niobium-based traveling wave (TW) stru...
[Phys. Rev. Accel. Beams 25, 021001] Published Mon Feb 07, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 021001 (2022)
PubDate: 2022-02-07T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021001
Issue No: Vol. 25, No. 2 (2022)
- CERN’s Super Proton Synchrotron 200 MHz cavity regulation upgrade:
Modeling, design optimization, and performance estimation
Authors: T. Mastoridis; P. Baudrenghien
First page: 021002
Abstract: Author(s): T. Mastoridis and P. Baudrenghien
CERN’s Super Proton Synchrotron (SPS) accelerates protons to $450\text{ }\text{ }\mathrm{GeV}/c$ and transfers them into the Large Hadron Collider (LHC). It is currently one of the limiting factors in increasing the beam intensity and thus the luminosity of the LHC. As part of the LHC injectors upgr...
[Phys. Rev. Accel. Beams 25, 021002] Published Thu Feb 17, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 021002 (2022)
PubDate: 2022-02-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021002
Issue No: Vol. 25, No. 2 (2022)
- Construction of self-consistent longitudinal matches in multipass energy
recovery linacs
Authors: Gustavo Pérez Segurana; Ian R. Bailey, Peter H. Williams
First page: 021003
Abstract: Author(s): Gustavo Pérez Segurana, Ian R. Bailey, and Peter H. Williams
Any proposal for an accelerator facility based upon a multipass energy recovery linac (ERL) must possess a self-consistent match in longitudinal phase space, not just transverse phase space. We therefore present a semianalytic method to determine self-consistent longitudinal matches in any multipass...
[Phys. Rev. Accel. Beams 25, 021003] Published Tue Feb 22, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 021003 (2022)
PubDate: 2022-02-22T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021003
Issue No: Vol. 25, No. 2 (2022)
- Compact cyclotron resonance high-power accelerator for electrons
Authors: S. V. Shchelkunov; X. Chang, J. L. Hirshfield
First page: 021301
Abstract: Author(s): S. V. Shchelkunov, X. Chang, and J. L. Hirshfield
Exact numerical solutions for the single particle equations of motion have revealed conditions for highly nonlinear rapid acceleration near cyclotron resonance for electrons injected into a ${\mathrm{TE}}_{111}$-rotating-mode cylindrical microwave cavity immersed in a uniform axial magnetic field. W...
[Phys. Rev. Accel. Beams 25, 021301] Published Mon Feb 14, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 021301 (2022)
PubDate: 2022-02-14T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021301
Issue No: Vol. 25, No. 2 (2022)
- Fabrication and testing of corrugated waveguides for a collinear wakefield
accelerator
Authors: A. Siy; N. Behdad, J. Booske, M. Fedurin, W. Jansma, K. Kusche, S. Lee, G. Mouravieff, A. Nassiri, S. Oliphant, S. Sorsher, K. Suthar, E. Trakhtenberg, G. Waldschmidt, A. Zholents
First page: 021302
Abstract: Author(s): A. Siy, N. Behdad, J. Booske, M. Fedurin, W. Jansma, K. Kusche, S. Lee, G. Mouravieff, A. Nassiri, S. Oliphant, S. Sorsher, K. Suthar, E. Trakhtenberg, G. Waldschmidt, and A. Zholents
Significant progress has been made at Argonne National Laboratory in the development of a compact wakefield accelerator based on a cylindrical corrugated waveguide with a 2-mm ID and fine corrugations on the wall. The fabrication process of 10-cm-long corrugated waveguide structures has been establi...
[Phys. Rev. Accel. Beams 25, 021302] Published Thu Feb 17, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 021302 (2022)
PubDate: 2022-02-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021302
Issue No: Vol. 25, No. 2 (2022)
- Design study of compact medical accelerator using superconducting rf
quadrupole for boron neutron capture therapy
Authors: Ryo Katayama; Eiji Kako, Seiya Yamaguchi, Shinichiro Michizono, Kensei Umemori, Yasuhiro Kondo
First page: 021601
Abstract: Author(s): Ryo Katayama, Eiji Kako, Seiya Yamaguchi, Shinichiro Michizono, Kensei Umemori, and Yasuhiro Kondo
We investigated the feasibility on the application of a superconducting radio frequency (SRF) niobium cavity to an accelerator-based neutron source for boron neutron capture therapy (BNCT). Neutron source is the key component of BNCT and adopting rf-linac based neutron source realizes a medical care...
[Phys. Rev. Accel. Beams 25, 021601] Published Fri Feb 18, 2022
Keywords: Design Studies
Citation: Phys. Rev. Accel. Beams 25, 021601 (2022)
PubDate: 2022-02-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.021601
Issue No: Vol. 25, No. 2 (2022)
- Model for hot spots and $Q$-slope behavior in granular niobium thin film
superconducting rf cavities
Authors: Aymeric Ramiere; Claire Z. Antoine, Jay Amrit
First page: 022001
Abstract: Author(s): Aymeric Ramiere, Claire Z. Antoine, and Jay Amrit
We propose a model to explain power dissipation leading to the formation of hot spots in the inner walls of niobium thin film superconducting rf cavities. The physical mechanism that we explore is due to the constriction of surface electrical current flow at grain interface boundaries. This constric...
[Phys. Rev. Accel. Beams 25, 022001] Published Wed Feb 23, 2022
Keywords: Radio Frequency Calculations and Technology
Citation: Phys. Rev. Accel. Beams 25, 022001 (2022)
PubDate: 2022-02-23T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.022001
Issue No: Vol. 25, No. 2 (2022)
- High-resolution, low-latency, bunch-by-bunch feedback system for nanobeam
stabilization
Authors: D. R. Bett; N. Blaskovic Kraljevic, T. Bromwich, P. N. Burrows, G. B. Christian, C. Perry, R. Ramjiawan
First page: 022801
Abstract: Author(s): D. R. Bett, N. Blaskovic Kraljevic, T. Bromwich, P. N. Burrows, G. B. Christian, C. Perry, and R. Ramjiawan
We report the design, operation, and performance of a high-resolution, low-latency, bunch-by-bunch feedback system for nanobeam stabilization. The system employs novel, ultralow quality-factor cavity beam position monitors (BPMs), a two-stage analog signal down-mixing system, and a digital signal pr...
[Phys. Rev. Accel. Beams 25, 022801] Published Tue Feb 22, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 022801 (2022)
PubDate: 2022-02-22T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.022801
Issue No: Vol. 25, No. 2 (2022)
- Neutron sensitive beam loss monitoring system for the European Spallation
Source linac
Authors: I. Dolenc Kittelmann; F. dos Santos Alves, E. Bergman, C. Derrez, V. Grishin, K. Rosengren, T. J. Shea, P. Legou, Y. Mariette, V. Nadot, T. Papaevangelou, L. Segui, W. Cichalewski, G. W. Jabłoński, W. Jałmużna, R. Kiełbik
First page: 022802
Abstract: Author(s): I. Dolenc Kittelmann, F. dos Santos Alves, E. Bergman, C. Derrez, V. Grishin, K. Rosengren, T. J. Shea, P. Legou, Y. Mariette, V. Nadot, T. Papaevangelou, L. Segui, W. Cichalewski, G. W. Jabłoński, W. Jałmużna, and R. Kiełbik
The European Spallation Source (ESS), currently under construction in Lund, Sweden, will be a neutron source based on a partly superconducting linac. The ESS linac will be accelerating protons to 2 GeV with a peak current of 62.5 mA and ultimately delivering a 5 MW beam to a rotating tungsten target...
[Phys. Rev. Accel. Beams 25, 022802] Published Fri Feb 25, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 022802 (2022)
PubDate: 2022-02-25T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.022802
Issue No: Vol. 25, No. 2 (2022)
- Analytical estimations of the chromaticity and corrections to the spin
precession frequency in weak focusing magnetic storage rings
Authors: On Kim; Yannis K. Semertzidis
First page: 024001
Abstract: Author(s): On Kim and Yannis K. Semertzidis
Understanding beam and spin dynamics are fundamental in accelerator-based experiments concerning polarized beams. And there has been growing interest in having more precise estimations of the beam and spin dynamics variables, as more high precision particle physics experiments in the intensity front...
[Phys. Rev. Accel. Beams 25, 024001] Published Fri Feb 18, 2022
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 024001 (2022)
PubDate: 2022-02-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.024001
Issue No: Vol. 25, No. 2 (2022)
- Characterization of overlapping betatron resonances above the phase
advance of 90° per cell
Authors: K. Kojima; H. Okamoto
First page: 024201
Abstract: Author(s): K. Kojima and H. Okamoto
The space-charge-induced resonance band just above the betatron phase advance of 90° per cell is of great practical importance. The instability is closely related to the linear collective mode and can thus give rise to severe emittance growth at high beam density. In a circular machine, this type of...
[Phys. Rev. Accel. Beams 25, 024201] Published Mon Feb 28, 2022
Keywords: Low-Energy, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 024201 (2022)
PubDate: 2022-02-28T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.024201
Issue No: Vol. 25, No. 2 (2022)
- Periodic transient beam loading effect with passive harmonic cavities in
electron storage rings
Authors: Tianlong He; Weiwei Li, Zhenghe Bai, Lin Wang
First page: 024401
Abstract: Author(s): Tianlong He, Weiwei Li, Zhenghe Bai, and Lin Wang
In our previous study of bunch lengthening for the planned Hefei Advanced Light Facility (HALF) storage ring, a periodic transient beam loading effect was found in the presence of passive harmonic cavities for some cases, which can dramatically affect the bunch lengthening as well as the beam stabil...
[Phys. Rev. Accel. Beams 25, 024401] Published Thu Feb 03, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 024401 (2022)
PubDate: 2022-02-03T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.024401
Issue No: Vol. 25, No. 2 (2022)
- Regenerative multibunch beam breakup instabilities and countermeasures for
a high-intensity electron accelerator and the superconducting Darmstadt
linear electron accelerator
Authors: Sergei Glukhov; Oliver Boine-Frankenheim, Michaela Arnold, Christian Stoll
First page: 024402
Abstract: Author(s): Sergei Glukhov, Oliver Boine-Frankenheim, Michaela Arnold, and Christian Stoll
Regenerative beam breakup instabilities in recirculating linacs can be understood through a stability analysis based on the interaction between monopole, dipole, and quadrupole modes.
[Phys. Rev. Accel. Beams 25, 024402] Published Fri Feb 04, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 024402 (2022)
PubDate: 2022-02-04T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.024402
Issue No: Vol. 25, No. 2 (2022)
- Simulation of synchrotron radiation from electron beams affected by
vibrations and drifts
Authors: Sukho Kongtawong; Oleg Chubar, Timur Shaftan
First page: 024601
Abstract: Author(s): Sukho Kongtawong, Oleg Chubar, and Timur Shaftan
This paper presents results of simulations of synchrotron radiation from electron beams affected by instabilities in position and angle at the source point. The goal of this work is to develop and test instrumentation for studies of the effects of the electron beam’s vibrations and drifts on beamlin...
[Phys. Rev. Accel. Beams 25, 024601] Published Fri Feb 04, 2022
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 25, 024601 (2022)
PubDate: 2022-02-04T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.024601
Issue No: Vol. 25, No. 2 (2022)
- Experimental demonstration of the short bunch extraction by bunch rotation
in a high-intensity rapid cycling proton synchrotron
Authors: Linhao Zhang; Yukai Chen, Jingyu Tang, Xiao Li, Yang Liu, Liangsheng Huang
First page: 010401
Abstract: Author(s): Linhao Zhang, Yukai Chen, Jingyu Tang, Xiao Li, Yang Liu, and Liangsheng Huang
Short bunch proton beams are of great significance for the applications of white neutron beams and muon beams. The accelerator complex of the China Spallation Neutron Source (CSNS) was designed to support the applications mainly based on neutron scattering techniques where the proton pulse length is...
[Phys. Rev. Accel. Beams 25, 010401] Published Wed Jan 26, 2022
Keywords: Pulsed-Power Accelerators, Technology, and Dynamics
Citation: Phys. Rev. Accel. Beams 25, 010401 (2022)
PubDate: 2022-01-26T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.010401
Issue No: Vol. 25, No. 1 (2022)
- Application of a modified chirp-taper scheme for generation of attosecond
pulses in extreme ultraviolet and soft x-ray free electron lasers
Authors: E. A. Schneidmiller
First page: 010701
Abstract: Author(s): E. A. Schneidmiller
Typically, in self-Amplified spontaneous emission free electron laser (SASE FEL) based short-pulse schemes, pulse duration is limited by FEL coherence time. For hard x-ray FELs, coherence time is in a few hundred attosecond range while for XUV and soft x-ray FELs it is in the femtosecond regime. In ...
[Phys. Rev. Accel. Beams 25, 010701] Published Fri Jan 28, 2022
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 25, 010701 (2022)
PubDate: 2022-01-28T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.010701
Issue No: Vol. 25, No. 1 (2022)
- Coupling effects of beam-beam interaction and longitudinal impedance
Authors: Chuntao Lin; Kazuhito Ohmi, Yuan Zhang
First page: 011001
Abstract: Author(s): Chuntao Lin, Kazuhito Ohmi, and Yuan Zhang
Recent studies have shown a novel coherent head-tail instability induced by beam-beam interaction with a large Piwinski angle. The instability has become an important issue during the designs of CEPC and FCC-ee. Simulations have further revealed that the longitudinal impedance has a strong impact on...
[Phys. Rev. Accel. Beams 25, 011001] Published Mon Jan 24, 2022
Keywords: High-Energy Accelerators and Colliders
Citation: Phys. Rev. Accel. Beams 25, 011001 (2022)
PubDate: 2022-01-24T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.011001
Issue No: Vol. 25, No. 1 (2022)
- Demonstration of kilohertz operation of hydrodynamic optical-field-ionized
plasma channels
Authors: A. Alejo; J. Cowley, A. Picksley, R. Walczak, S. M. Hooker
First page: 011301
Abstract: Author(s): A. Alejo, J. Cowley, A. Picksley, R. Walczak, and S. M. Hooker
We demonstrate experimentally that hydrodynamic optical-field-ionized (HOFI) plasma channels can be generated at kHz-scale pulse repetition rates, in a static gas cell and for an extended period. Using a pump-probe arrangement, we show via transverse interferometry that the properties of two HOFI ch...
[Phys. Rev. Accel. Beams 25, 011301] Published Thu Jan 13, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 011301 (2022)
PubDate: 2022-01-13T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.011301
Issue No: Vol. 25, No. 1 (2022)
- Generation of topologically complex three-dimensional electron beams in a
plasma photocathode
Authors: Xinlu Xu; Jorge Vieira, Mark J. Hogan, Chan Joshi, Warren B. Mori
First page: 011302
Abstract: Author(s): Xinlu Xu, Jorge Vieira, Mark J. Hogan, Chan Joshi, and Warren B. Mori
Laser-triggered ionization injection is a promising way of generating controllable high-quality electrons in plasma-based acceleration. We show that ionization injection of electrons into a fully nonlinear plasma wave wake using a laser pulse comprising of one or more Laguerre-Gaussian modes with co...
[Phys. Rev. Accel. Beams 25, 011302] Published Fri Jan 21, 2022
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 25, 011302 (2022)
PubDate: 2022-01-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.011302
Issue No: Vol. 25, No. 1 (2022)
- Development of a movable standing wave resonant test system for
fundamental power couplers with an extraordinary power gain
Authors: Zeqiang Lin; Tiancai Jiang, Shichun Huang, Zongheng Xue, Zheng Gao, Ruoxu Wang, Fanjian Zeng, Longbo Shi, Chunlong Li, Yulu Huang, Ziqin Yang, Andong Wu, Rongfeng Zhang, Yongming Li, Mengxin Xu, Zhouli Zhang, Yuan He
First page: 012001
Abstract: Author(s): Zeqiang Lin, Tiancai Jiang, Shichun Huang, Zongheng Xue, Zheng Gao, Ruoxu Wang, Fanjian Zeng, Longbo Shi, Chunlong Li, Yulu Huang, Ziqin Yang, Andong Wu, Rongfeng Zhang, Yongming Li, Mengxin Xu, Zhouli Zhang, and Yuan He
Off-line high-power tests of the fundamental power couplers prior to their on-line operations are of importance for ensuring their operating reliability and stability. To test the couplers using a limited power supply effectively, a movable standing wave (SW) resonant test system with an extraordina...
[Phys. Rev. Accel. Beams 25, 012001] Published Mon Jan 10, 2022
Keywords: Radio Frequency Calculations and Technology
Citation: Phys. Rev. Accel. Beams 25, 012001 (2022)
PubDate: 2022-01-10T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.012001
Issue No: Vol. 25, No. 1 (2022)
- Multiobjective design optimization of a quadrupole resonator under
uncertainties
Authors: Piotr Putek; Shahnam Gorgi Zadeh, Marc Wenskat, Ursula van Rienen
First page: 012002
Abstract: Author(s): Piotr Putek, Shahnam Gorgi Zadeh, Marc Wenskat, and Ursula van Rienen
For a precise determination of the rf properties of superconducting materials, a calorimetric measurement is carried out with the aid of a so-called quadrupole resonator (QPR). This procedure is affected by certain systematic measurement errors with various sources of uncertainties. In this paper, t...
[Phys. Rev. Accel. Beams 25, 012002] Published Fri Jan 28, 2022
Keywords: Radio Frequency Calculations and Technology
Citation: Phys. Rev. Accel. Beams 25, 012002 (2022)
PubDate: 2022-01-28T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.012002
Issue No: Vol. 25, No. 1 (2022)
- Multioctave high-dynamic range optical spectrometer for single-pulse,
longitudinal characterization of ultrashort electron bunches
Authors: Omid Zarini; Jurjen Couperus Cabadağ, Yen-Yu Chang, Alexander Köhler, Thomas Kurz, Susanne Schöbel, Wolfgang Seidel, Michael Bussmann, Ulrich Schramm, Arie Irman, Alexander Debus
First page: 012801
Abstract: Author(s): Omid Zarini, Jurjen Couperus Cabadağ, Yen-Yu Chang, Alexander Köhler, Thomas Kurz, Susanne Schöbel, Wolfgang Seidel, Michael Bussmann, Ulrich Schramm, Arie Irman, and Alexander Debus
We present design and realization of an ultrabroadband optical spectrometer capable of measuring the spectral intensity of multioctave-spanning light sources on a single-pulse basis with a dynamic range of up to eight orders of magnitude. The instrument is optimized for the characterization of the t...
[Phys. Rev. Accel. Beams 25, 012801] Published Thu Jan 20, 2022
Keywords: Beam Control, Diagnostics, and Feedback
Citation: Phys. Rev. Accel. Beams 25, 012801 (2022)
PubDate: 2022-01-20T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.012801
Issue No: Vol. 25, No. 1 (2022)
- Temporal shaping of narrow-band picosecond pulses via noncolinear
sum-frequency mixing of dispersion-controlled pulses
Authors: Randy Lemons; Nicole Neveu, Joseph Duris, Agostino Marinelli, Charles Durfee, Sergio Carbajo
First page: 013401
Abstract: Author(s): Randy Lemons, Nicole Neveu, Joseph Duris, Agostino Marinelli, Charles Durfee, and Sergio Carbajo
A long-sought-after goal for photocathode electron sources has been to improve performance by temporally shaping the incident excitation laser pulse. The narrow bandwidth, short wavelength, and picosecond pulse duration make it challenging to employ conventional spectral pulse shaping techniques. We...
[Phys. Rev. Accel. Beams 25, 013401] Published Wed Jan 12, 2022
Keywords: Particle-Beam Sources
Citation: Phys. Rev. Accel. Beams 25, 013401 (2022)
PubDate: 2022-01-12T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.013401
Issue No: Vol. 25, No. 1 (2022)
- Nonadiabatic electron gun at an electron beam ion source: Commissioning
results and charge breeding investigations
Authors: H. Pahl; N. Bidault, G. Khatri, A. Pikin, F. J. C. Wenander
First page: 013402
Abstract: Author(s): H. Pahl, N. Bidault, G. Khatri, A. Pikin, and F. J. C. Wenander
The electron gun of the REXEBIS charge breeder at the REX/HIE-ISOLDE facility at CERN has been upgraded from a standard magneto-immersed type to a gun using a nonadiabatic magnetic element. The results from the cathode emission and electron beam propagation tests are presented, as well as the charge...
[Phys. Rev. Accel. Beams 25, 013402] Published Tue Jan 18, 2022
Keywords: Particle-Beam Sources
Citation: Phys. Rev. Accel. Beams 25, 013402 (2022)
PubDate: 2022-01-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.013402
Issue No: Vol. 25, No. 1 (2022)
- Transverse force in a relativistic beam moving along a curved trajectory
Authors: Gennady Stupakov
First page: 014401
Abstract: Author(s): Gennady Stupakov
When a relativistic beam moves along a curved trajectory it loses energy on coherent radiation. The effect of this radiation on the beam dynamics is described by the so call coherent synchrotron radiation (CSR) longitudinal wake field. Among different models of the CSR wake, the simplest is the one-...
[Phys. Rev. Accel. Beams 25, 014401] Published Tue Jan 18, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 014401 (2022)
PubDate: 2022-01-18T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.014401
Issue No: Vol. 25, No. 1 (2022)
- Coupled-bunch instability for arbitrary multibunch configurations
Authors: Gabriele Bassi; Alexei Blednykh, Victor Smaluk
First page: 014402
Abstract: Author(s): Gabriele Bassi, Alexei Blednykh, and Victor Smaluk
The coupled-bunch instability for arbitrary multibunch configurations is investigated in its generality. The theoretical framework adopted is based on the general eigenvalue analysis based on the known formulas of the complex frequency shifts for the uniform multibunch configuration case. Closed for...
[Phys. Rev. Accel. Beams 25, 014402] Published Tue Jan 25, 2022
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 25, 014402 (2022)
PubDate: 2022-01-25T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.014402
Issue No: Vol. 25, No. 1 (2022)
- Bayesian optimization experiment for trajectory alignment at the low
energy RHIC electron cooling system
Authors: Y. Gao; W. Lin, K. A. Brown, X. Gu, G. H. Hoffstaetter, J. Morris, S. Seletskiy
First page: 014601
Abstract: Author(s): Y. Gao, W. Lin, K. A. Brown, X. Gu, G. H. Hoffstaetter, J. Morris, and S. Seletskiy
The low energy RHIC electron cooling (LEReC) system is the world’s first electron cooler utilizing radio frequency (rf) accelerated electron bunches, and a nonmagnetized electron beam. It is also the first electron cooler applied directly to colliding hadron beams. The unique approach to cooling mak...
[Phys. Rev. Accel. Beams 25, 014601] Published Fri Jan 07, 2022
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 25, 014601 (2022)
PubDate: 2022-01-07T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.014601
Issue No: Vol. 25, No. 1 (2022)
- Erratum: Covariant Hamiltonian approach for time-dependent potentials
applied to a pill-box cavity [Phys. Rev. Accel. Beams 23, 104001 (2020)]
Authors: E. Laface; B. T. Folsom
First page: 019901
Abstract: Author(s): E. Laface and B. T. Folsom
[Phys. Rev. Accel. Beams 25, 019901] Published Wed Jan 12, 2022
Citation: Phys. Rev. Accel. Beams 25, 019901 (2022)
PubDate: 2022-01-12T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.25.019901
Issue No: Vol. 25, No. 1 (2022)
- Design and beam dynamic studies of a 30-MW superconducting linac for an
accelerator-driven subcritical system
Authors: Bruce Yee-Rendon; Yasuhiro Kondo, Fujio Maekawa, Shin-ichiro Meigo, Jun Tamura
First page: 120101
Abstract: Author(s): Bruce Yee-Rendon, Yasuhiro Kondo, Fujio Maekawa, Shin-ichiro Meigo, and Jun Tamura
The Japan Atomic Energy Agency (JAEA) is working on the research and development of a 30-MW continuous wave (CW) proton linear accelerator (linac) for the JAEA accelerator-driven subcritical system (ADS) proposal. The linac will accelerate a 20 mA proton beam to 1.5 GeV, using mainly superconducting...
[Phys. Rev. Accel. Beams 24, 120101] Published Fri Dec 10, 2021
Keywords: Low- and Intermediate-Energy Accelerators
Citation: Phys. Rev. Accel. Beams 24, 120101 (2021)
PubDate: 2021-12-10T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120101
Issue No: Vol. 24, No. 12 (2021)
- Dynamics of the super pinch electron beam and fusion energy perspective
Authors: D. R. Welch; D. V. Rose, D. V. Novikov, M. E. Weller, A. A. Esaulov, G. H. Miley
First page: 120401
Abstract: Author(s): D. R. Welch, D. V. Rose, D. V. Novikov, M. E. Weller, A. A. Esaulov, and G. H. Miley
The characterization of a high current, relativistic electron beam, designated the Super Pinch electron beam, has been performed using compact pulsed-power accelerators of various architectures with a novel diode geometry. The Thunderbird accelerator has an initial $1.5\text{−}μ\mathrm{s}$ rise time...
[Phys. Rev. Accel. Beams 24, 120401] Published Thu Dec 16, 2021
Keywords: Pulsed-Power Accelerators, Technology, and Dynamics
Citation: Phys. Rev. Accel. Beams 24, 120401 (2021)
PubDate: 2021-12-16T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120401
Issue No: Vol. 24, No. 12 (2021)
- High repetition rate seeded free electron laser with an optical klystron
in high-gain harmonic generation
Authors: Georgia Paraskaki; Enrico Allaria, Evgeny Schneidmiller, Wolfgang Hillert
First page: 120701
Abstract: Author(s): Georgia Paraskaki, Enrico Allaria, Evgeny Schneidmiller, and Wolfgang Hillert
Many high-gain free electron lasers worldwide are planning to incorporate seeding setups into their day-to-day operation. These techniques provide both longitudinal and transverse coherence and extended control of the output free electron laser radiation spectral properties. However, the output wave...
[Phys. Rev. Accel. Beams 24, 120701] Published Tue Dec 14, 2021
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 24, 120701 (2021)
PubDate: 2021-12-14T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120701
Issue No: Vol. 24, No. 12 (2021)
- Three-dipole kicker injection scheme for the Advanced Light Source upgrade
accumulator ring
Authors: M. Ehrlichman; T. Hellert, S. C. Leemann, G. Penn, C. Steier, C. Sun, M. Venturini, D. Wang
First page: 120702
Abstract: Author(s): M. Ehrlichman, T. Hellert, S. C. Leemann, G. Penn, C. Steier, C. Sun, M. Venturini, and D. Wang
The Advanced Light Source Upgrade will implement on axis single-train swap-out injection employing an accumulator between the booster and storage rings. The accumulator ring (AR) design is a twelve period triple-bend achromat that will be installed along the inner circumference of the storage-ring t...
[Phys. Rev. Accel. Beams 24, 120702] Published Fri Dec 17, 2021
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 24, 120702 (2021)
PubDate: 2021-12-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120702
Issue No: Vol. 24, No. 12 (2021)
- Terahertz wave amplification by a laser-modulated relativistic electron
beam
Authors: Hossein Saberi; Fazel Jahangiri, Ali Reza Niknam
First page: 120703
Abstract: Author(s): Hossein Saberi, Fazel Jahangiri, and Ali Reza Niknam
Generation of tunable terahertz radiation based on the interaction of a frequency-chirped low power terahertz wave with a relativistic electron beam is proposed. The electron beam is first modulated temporally due to the ponderomotive force induced by the beat wave of two copropagating intense laser...
[Phys. Rev. Accel. Beams 24, 120703] Published Tue Dec 28, 2021
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 24, 120703 (2021)
PubDate: 2021-12-28T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120703
Issue No: Vol. 24, No. 12 (2021)
- Lattice optimization of a fourth-generation synchrotron radiation light
source in Novosibirsk
Authors: G. Baranov; A. Bogomyagkov, I. Morozov, S. Sinyatkin, E. Levichev
First page: 120704
Abstract: Author(s): G. Baranov, A. Bogomyagkov, I. Morozov, S. Sinyatkin, and E. Levichev
We discuss the choice of the magnetic lattice and parameter optimization of the fourth-generation light source SKIF (Russian acronym for Siberian Circular Photon Source) under construction in Novosibirsk. The study compares several basic lattice cells to procure one with low emittance and large dyna...
[Phys. Rev. Accel. Beams 24, 120704] Published Tue Dec 28, 2021
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 24, 120704 (2021)
PubDate: 2021-12-28T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.120704
Issue No: Vol. 24, No. 12 (2021)
- Emittance preserving thin film plasma mirrors for GeV scale laser plasma
accelerators
Authors: A. Zingale; N. Czapla, D. M. Nasir, S. K. Barber, J. H. Bin, A. J. Gonsalves, F. Isono, J. van Tilborg, S. Steinke, K. Nakamura, G. E. Cochran, J. Purcell, W. P. Leemans, C. G. R. Geddes, C. B. Schroeder, E. Esarey, D. W. Schumacher
First page: 121301
Abstract: Author(s): A. Zingale, N. Czapla, D. M. Nasir, S. K. Barber, J. H. Bin, A. J. Gonsalves, F. Isono, J. van Tilborg, S. Steinke, K. Nakamura, G. E. Cochran, J. Purcell, W. P. Leemans, C. G. R. Geddes, C. B. Schroeder, E. Esarey, and D. W. Schumacher
Laser-plasma accelerators (LPAs) now routinely produce electron beams with GeV energies over acceleration lengths on the order of a few centimeters. This capability and the demonstration of multistage coupling make LPAs promising for numerous applications. However, beam quality preservation in multi...
[Phys. Rev. Accel. Beams 24, 121301] Published Thu Dec 02, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121301 (2021)
PubDate: 2021-12-02T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121301
Issue No: Vol. 24, No. 12 (2021)
- Beam-beam interaction in a dielectric laser accelerator electron-positron
collider
Authors: R. Joel England; Levi Schächter
First page: 121302
Abstract: Author(s): R. Joel England and Levi Schächter
We examine through numerical calculation the collision of counter-propagating trains of optically spaced electron or positron microbunches in a 1 TeV collider scenario for a dielectric laser accelerator. A time-dependent envelope equation is derived for arbitrary number of bunches in the classical l...
[Phys. Rev. Accel. Beams 24, 121302] Published Fri Dec 03, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121302 (2021)
PubDate: 2021-12-03T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121302
Issue No: Vol. 24, No. 12 (2021)
- Six-dimensional phase space preservation in a terahertz-driven multistage
dielectric-lined rectangular waveguide accelerator
Authors: Öznur Apsimon; Graeme Burt, Robert B. Appleby, Robert J. Apsimon, Darren M. Graham, Steven P. Jamison
First page: 121303
Abstract: Author(s): Öznur Apsimon, Graeme Burt, Robert B. Appleby, Robert J. Apsimon, Darren M. Graham, and Steven P. Jamison
Staged acceleration, driven by terahertz (THz) frequency radiation pulses in a lattice with alternating orientation dielectric-lined waveguides and intervening matching optics, is shown to mitigate transverse emittance and energy spread growth, opening a route to multistage THz linacs. Decomposition...
[Phys. Rev. Accel. Beams 24, 121303] Published Tue Dec 07, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121303 (2021)
PubDate: 2021-12-07T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121303
Issue No: Vol. 24, No. 12 (2021)
- Witness electron beam injection using an active plasma lens for a proton
beam-driven plasma wakefield accelerator
Authors: S.-Y. Kim; K. Moon, M. Chung, K. N. Sjobak, E. Adli, S. Doebert, M. Dayyani, E. S. Yoon, I. Nam, G. Hahn
First page: 121304
Abstract: Author(s): S.-Y. Kim, K. Moon, M. Chung, K. N. Sjobak, E. Adli, S. Doebert, M. Dayyani, E. S. Yoon, I. Nam, and G. Hahn
An active plasma lens (APL) focuses the beam in both the horizontal and vertical planes simultaneously using a magnetic field generated by a discharge current through the plasma. A beam size of $5–10\text{ }\text{ }μ\mathrm{m}$ can be achieved within a short distance using a focusing gradient on the...
[Phys. Rev. Accel. Beams 24, 121304] Published Fri Dec 10, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121304 (2021)
PubDate: 2021-12-10T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121304
Issue No: Vol. 24, No. 12 (2021)
- Resonant phase matching by oblique illumination of a dielectric laser
accelerator
Authors: S. Crisp; A. Ody, P. Musumeci, R. J. England
First page: 121305
Abstract: Author(s): S. Crisp, A. Ody, P. Musumeci, and R. J. England
In dielectric laser-driven accelerators (DLA), careful tuning of drive-laser wavelength and structure periodicity is typically required in order to hit the resonant condition and match the phase velocity of the accelerating wave to the electron beam velocity. By aggressively detuning (up to 30 mrad)...
[Phys. Rev. Accel. Beams 24, 121305] Published Tue Dec 21, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121305 (2021)
PubDate: 2021-12-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121305
Issue No: Vol. 24, No. 12 (2021)
- Strong focusing gradient in a linear active plasma lens
Authors: K. N. Sjobak; E. Adli, R. Corsini, W. Farabolini, G. Boyle, C. A. Lindstrøm, M. Meisel, J. Osterhoff, J.-H. Röckemann, L. Schaper, A. E. Dyson
First page: 121306
Abstract: Author(s): K. N. Sjobak, E. Adli, R. Corsini, W. Farabolini, G. Boyle, C. A. Lindstrøm, M. Meisel, J. Osterhoff, J.-H. Röckemann, L. Schaper, and A. E. Dyson
Active plasma lenses are compact devices developed as a promising beam-focusing alternative for charged particle beams, capable of short focal lengths for high-energy beams. We have previously shown that linear magnetic fields with gradients of around 0.3 kT/m can be achieved in argon-filled plasma ...
[Phys. Rev. Accel. Beams 24, 121306] Published Wed Dec 29, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 121306 (2021)
PubDate: 2021-12-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.121306
Issue No: Vol. 24, No. 12 (2021)
- Self-calibration technique for characterization of integrated THz
waveguides
Authors: M. Kellermeier; F. Lemery, K. Floettmann, W. Hillert, R. Aßmann
First page: 122001
Abstract: Author(s): M. Kellermeier, F. Lemery, K. Floettmann, W. Hillert, and R. Aßmann
A new technique to characterize integrated hollow THz waveguides advances the rf metrology for miniature accelerators.
[Phys. Rev. Accel. Beams 24, 122001] Published Mon Dec 06, 2021
Keywords: Radio Frequency Calculations and Technology
Citation: Phys. Rev. Accel. Beams 24, 122001 (2021)
PubDate: 2021-12-06T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.122001
Issue No: Vol. 24, No. 12 (2021)
- Production and qualification of an electrospun ceramic nanofiber material
as a candidate future high power target
Authors: Sujit Bidhar; Valerie Goss, Wei-Ying Chen, Andrei Stanishevsky, Meimei Li, Slava Kuksenko, Marco Calviani, Robert Zwaska
First page: 123001
Abstract: Author(s): Sujit Bidhar, Valerie Goss, Wei-Ying Chen, Andrei Stanishevsky, Meimei Li, Slava Kuksenko, Marco Calviani, and Robert Zwaska
In an effort to develop and design next generation high power target materials for particle physics research, the possibility of fabricating nonwoven metallic or ceramic nanofibers by electrospinning process is explored. A low-cost electrospinning unit is set up for in-house production of various ce...
[Phys. Rev. Accel. Beams 24, 123001] Published Tue Dec 07, 2021
Keywords: Targets, Collimators, and Beam Dumps
Citation: Phys. Rev. Accel. Beams 24, 123001 (2021)
PubDate: 2021-12-07T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.123001
Issue No: Vol. 24, No. 12 (2021)
- Ampere-class bright field emission cathode operated at
$100\text{ }\text{ }\mathrm{MV}/\mathrm{m}$
Authors: Mitchell E. Schneider; Benjamin Sims, Emily Jevarjian, Ryo Shinohara, Tanvi Nikhar, Taha Y. Posos, Wanming Liu, John Power, Jiahang Shao, Sergey V. Baryshev
First page: 123401
Abstract: Author(s): Mitchell E. Schneider, Benjamin Sims, Emily Jevarjian, Ryo Shinohara, Tanvi Nikhar, Taha Y. Posos, Wanming Liu, John Power, Jiahang Shao, and Sergey V. Baryshev
High-current bright sources are needed to power the next generation of compact rf and microwave systems. A major requirement is that such sources could be sustainably operated at high frequencies, well above 1 GHz, and high gradients, well above $100\text{ }\text{ }\mathrm{MV}/\mathrm{m}$. Field emi...
[Phys. Rev. Accel. Beams 24, 123401] Published Fri Dec 17, 2021
Keywords: Particle-Beam Sources
Citation: Phys. Rev. Accel. Beams 24, 123401 (2021)
PubDate: 2021-12-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.123401
Issue No: Vol. 24, No. 12 (2021)
- Design of double-bend and multibend achromat lattices with large dynamic
aperture and approximate invariants
Authors: Yongjun Li; Kilean Hwang, Chad Mitchell, Robert Rainer, Robert Ryne, Victor Smaluk
First page: 124001
Abstract: Author(s): Yongjun Li, Kilean Hwang, Chad Mitchell, Robert Rainer, Robert Ryne, and Victor Smaluk
A numerical method to design nonlinear double- and multibend achromat (DBA and MBA) lattices with approximate invariants of motion is investigated. The search for such nonlinear lattices is motivated by Fermilab’s Integrable Optics Test Accelerator, whose design is based on an integrable Hamiltonian...
[Phys. Rev. Accel. Beams 24, 124001] Published Mon Dec 27, 2021
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 24, 124001 (2021)
PubDate: 2021-12-27T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.124001
Issue No: Vol. 24, No. 12 (2021)
- Simulation of incoherent ion effects in electron storage rings
Authors: J. Calvey; M. Borland
First page: 124401
Abstract: Author(s): J. Calvey and M. Borland
A strong-strong model in which both the ions and the electron beams are modeled using macroparticles has been incorporated in the particle code elegant.
[Phys. Rev. Accel. Beams 24, 124401] Published Fri Dec 03, 2021
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 24, 124401 (2021)
PubDate: 2021-12-03T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.124401
Issue No: Vol. 24, No. 12 (2021)
- Analysis of slice transverse emittance evolution in a very-high-frequency
gun photoinjector
Authors: Han Chen; Lianmin Zheng, Pengwei Huang, Chuangye Song, Yingchao Du, Renkai Li, Wenhui Huang, Chuanxiang Tang
First page: 124402
Abstract: Author(s): Han Chen, Lianmin Zheng, Pengwei Huang, Chuangye Song, Yingchao Du, Renkai Li, Wenhui Huang, and Chuanxiang Tang
Emittance is a key figure-of-merit for high brightness electron beams that enable the success of a broad range of modern accelerator-based instruments. With the successful implementation of the emittance compensation scheme and beam-shaping techniques to align each temporal beam slice in phase space...
[Phys. Rev. Accel. Beams 24, 124402] Published Tue Dec 21, 2021
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 24, 124402 (2021)
PubDate: 2021-12-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.124402
Issue No: Vol. 24, No. 12 (2021)
- First detection of collective oscillations of a stored deuteron beam with
an amplitude close to the quantum limit
Authors: J. Slim et al. (JEDI Collaboration)
First page: 124601
Abstract: Author(s): J. Slim et al. (JEDI Collaboration)
We investigated coherent betatron oscillations of a deuteron beam in the storage ring cooler synchrotron and storage ring, excited by a detuned rf Wien filter (WF). The beam oscillations were detected by conventional beam position monitors. With the currently available apparatus, we show that oscill...
[Phys. Rev. Accel. Beams 24, 124601] Published Fri Dec 17, 2021
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 24, 124601 (2021)
PubDate: 2021-12-17T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.124601
Issue No: Vol. 24, No. 12 (2021)
- Autofocusing drift tube linac envelopes
Authors: Olivier Shelbaya; Tiffany Angus, Rick Baartman, Paul M. Jung, Oliver Kester, Spencer Kiy, Thomas Planche, Stephanie D. Rädel
First page: 124602
Abstract: Author(s): Olivier Shelbaya, Tiffany Angus, Rick Baartman, Paul M. Jung, Oliver Kester, Spencer Kiy, Thomas Planche, and Stephanie D. Rädel
To date, beam dynamics studies and design of combined zero degree drift tube linac (DTL) structures (Kombinierte Null Grad Struktur; KONUS) have only been carried out in multiparticle codes. Quantities such as the beam envelopes are obtained by averaging over particles, whose tracking is computation...
[Phys. Rev. Accel. Beams 24, 124602] Published Tue Dec 21, 2021
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 24, 124602 (2021)
PubDate: 2021-12-21T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.124602
Issue No: Vol. 24, No. 12 (2021)
- Electron beam shaping via laser heater temporal shaping
Authors: D. Cesar; A. Anakru, S. Carbajo, J. Duris, P. Franz, S. Li, N. Sudar, Z. Zhang, A. Marinelli
First page: 110703
Abstract: Author(s): D. Cesar, A. Anakru, S. Carbajo, J. Duris, P. Franz, S. Li, N. Sudar, Z. Zhang, and A. Marinelli
Active longitudinal beam optics can help free-electron laser facilities achieve cutting edge performance by optimizing the beam to produce multicolor pulses, suppress caustics, or support attosecond lasing. As the next generation of superconducting accelerators comes online, there is a need to find ...
[Phys. Rev. Accel. Beams 24, 110703] Published Mon Nov 29, 2021
Keywords: Synchrotron Radiation and Free-Electron Lasers
Citation: Phys. Rev. Accel. Beams 24, 110703 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.110703
Issue No: Vol. 24, No. 11 (2021)
- Optimization of electron bunch quality using a chirped laser pulse in
laser wakefield acceleration
Authors: Arohi Jain; Devki Nandan Gupta
First page: 111302
Abstract: Author(s): Arohi Jain and Devki Nandan Gupta
In this work, we perform particle-in-cell simulations to investigate the electron bunch quality using a chirped laser pulse in a laser wakefield acceleration mechanism. Particular attention is devoted to the electron beam quality improvement using a chirped laser pulse through group delay dispersion...
[Phys. Rev. Accel. Beams 24, 111302] Published Mon Nov 29, 2021
Keywords: New Acceleration Techniques
Citation: Phys. Rev. Accel. Beams 24, 111302 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.111302
Issue No: Vol. 24, No. 11 (2021)
- Linear voltage recovery after a breakdown in a pulsed dc system
Authors: Anton Saressalo; Dan Wang, Flyura Djurabekova
First page: 113101
Abstract: Author(s): Anton Saressalo, Dan Wang, and Flyura Djurabekova
Breakdowns (BDs) may occur in high-voltage applications even in ultrahigh vacuum conditions. Previously, we showed that it is important to pay attention to the post-BD voltage recovery in order to limit the appearance of secondary BDs associated with the primary ones. This can improve the overall ef...
[Phys. Rev. Accel. Beams 24, 113101] Published Mon Nov 29, 2021
Keywords: Accelerator Materials and Surfaces
Citation: Phys. Rev. Accel. Beams 24, 113101 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.113101
Issue No: Vol. 24, No. 11 (2021)
- Lorentz-Abraham-Dirac and Landau-Lifshitz equations of motion and the
solution to a relativistic electron in a counterpropagating laser beam
Authors: Arthur D. Yaghjian
First page: 114002
Abstract: Author(s): Arthur D. Yaghjian
For realistic parameters, the classical radiation reaction of relativistic electrons interacting with an intense laser beam can be accurately described in closed form.
[Phys. Rev. Accel. Beams 24, 114002] Published Mon Nov 29, 2021
Keywords: Single-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 24, 114002 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.114002
Issue No: Vol. 24, No. 11 (2021)
- Coherent-radiation-induced longitudinal single-pass beam breakup
instability of a steady-state microbunch train in an undulator
Authors: Cheng-Ying Tsai; Alexander Wu Chao, Yi Jiao, Hao-Wen Luo, Make Ying, Qinghong Zhou
First page: 114401
Abstract: Author(s): Cheng-Ying Tsai, Alexander Wu Chao, Yi Jiao, Hao-Wen Luo, Make Ying, and Qinghong Zhou
It has been known that a high-brightness electron beam emits broadband synchrotron radiation when traversing a curved orbit. The radiation reaction at wavelengths comparable to the bunch length or to the wavelength of a phase space modulated beam may lead to collective instabilities. In this paper, ...
[Phys. Rev. Accel. Beams 24, 114401] Published Mon Nov 29, 2021
Keywords: Relativistic, Multiple-Particle Dynamics
Citation: Phys. Rev. Accel. Beams 24, 114401 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.114401
Issue No: Vol. 24, No. 11 (2021)
- Uncertainty quantification for deep learning in particle accelerator
applications
Authors: Aashwin Ananda Mishra; Auralee Edelen, Adi Hanuka, Christopher Mayes
First page: 114601
Abstract: Author(s): Aashwin Ananda Mishra, Auralee Edelen, Adi Hanuka, and Christopher Mayes
With the advent of increased computational resources and improved algorithms, machine learning-based models are being increasingly applied to complex problems in particle accelerators. However, such data-driven models may provide overly confident predictions with unknown errors and uncertainties. Fo...
[Phys. Rev. Accel. Beams 24, 114601] Published Mon Nov 29, 2021
Keywords: Computing and Algorithms
Citation: Phys. Rev. Accel. Beams 24, 114601 (2021)
PubDate: 2021-11-29T10:00:00+00:00
DOI: 10.1103/PhysRevAccelBeams.24.114601
Issue No: Vol. 24, No. 11 (2021)
