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  Subjects -> PHYSICS (Total: 801 journals)
    - MECHANICS (19 journals)
    - NUCLEAR PHYSICS (49 journals)
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PHYSICS (583 journals)                  1 2 3 | Last

Showing 1 - 200 of 741 Journals sorted alphabetically
Acta Acustica united with Acustica     Full-text available via subscription   (Followers: 6)
Acta Mechanica     Hybrid Journal   (Followers: 18)
Acta Scientifica Naturalis     Open Access   (Followers: 1)
Advanced Composite Materials     Hybrid Journal   (Followers: 60)
Advanced Functional Materials     Hybrid Journal   (Followers: 45)
Advanced Materials     Hybrid Journal   (Followers: 227)
Advanced Science Focus     Free   (Followers: 3)
Advanced Structural and Chemical Imaging     Open Access   (Followers: 2)
Advances in Condensed Matter Physics     Open Access   (Followers: 8)
Advances in Exploration Geophysics     Full-text available via subscription   (Followers: 3)
Advances in Geophysics     Full-text available via subscription   (Followers: 6)
Advances in High Energy Physics     Open Access   (Followers: 21)
Advances in Imaging and Electron Physics     Full-text available via subscription   (Followers: 2)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 16)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 28)
Advances in OptoElectronics     Open Access   (Followers: 5)
Advances In Physics     Hybrid Journal   (Followers: 18)
Advances in Physics : X     Open Access  
Advances in Physics Theories and Applications     Open Access   (Followers: 13)
Advances in Remote Sensing     Open Access   (Followers: 34)
AIP Advances     Open Access   (Followers: 9)
AIP Conference Proceedings     Full-text available via subscription   (Followers: 3)
American Journal of Condensed Matter Physics     Open Access   (Followers: 4)
American Journal of Signal Processing     Open Access   (Followers: 10)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 4)
Annalen der Physik     Hybrid Journal   (Followers: 5)
Annales Geophysicae (ANGEO)     Open Access   (Followers: 15)
Annales Henri Poincaré     Hybrid Journal   (Followers: 3)
Annales UMCS, Physica     Open Access  
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 5)
Annals of Physics     Hybrid Journal   (Followers: 4)
Annals of West University of Timisoara - Physics     Open Access   (Followers: 1)
Annual Reports on NMR Spectroscopy     Full-text available via subscription   (Followers: 3)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 9)
Annual Review of Condensed Matter Physics     Full-text available via subscription  
Annual Review of Materials Research     Full-text available via subscription   (Followers: 5)
APL Materials     Open Access   (Followers: 10)
Applied Composite Materials     Hybrid Journal   (Followers: 44)
Applied Physics A     Hybrid Journal   (Followers: 8)
Applied Physics Frontier     Open Access   (Followers: 1)
Applied Physics Letters     Hybrid Journal   (Followers: 33)
Applied Physics Research     Open Access   (Followers: 4)
Applied Physics Reviews     Hybrid Journal   (Followers: 9)
Applied Radiation and Isotopes     Hybrid Journal   (Followers: 6)
Applied Remote Sensing Journal     Open Access   (Followers: 33)
Applied Spectroscopy     Full-text available via subscription   (Followers: 23)
Applied Spectroscopy Reviews     Hybrid Journal   (Followers: 5)
Archive for Rational Mechanics and Analysis     Hybrid Journal  
Asia Pacific Physics Newsletter     Hybrid Journal  
ASTRA Proceedings     Open Access   (Followers: 1)
Astronomy & Geophysics     Hybrid Journal   (Followers: 46)
Astronomy and Astrophysics Review     Hybrid Journal   (Followers: 20)
Astrophysical Journal Supplement Series     Full-text available via subscription   (Followers: 7)
Atoms     Open Access   (Followers: 1)
Attention, Perception & Psychophysics     Full-text available via subscription   (Followers: 10)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 7)
Axioms     Open Access  
Bangladesh Journal of Medical Physics     Open Access  
Bauphysik     Hybrid Journal   (Followers: 2)
Berkala Fisika Indonesia     Open Access  
Biomaterials     Hybrid Journal   (Followers: 45)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 16)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 30)
Biophysical Reviews     Hybrid Journal  
Biophysical Reviews and Letters     Hybrid Journal   (Followers: 3)
BMC Biophysics     Open Access   (Followers: 5)
Boson Journal of Modern Physics     Open Access   (Followers: 12)
Brazilian Journal of Physics     Hybrid Journal  
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 10)
Bulletin of Materials Science     Open Access   (Followers: 41)
Bulletin of the Atomic Scientists     Full-text available via subscription   (Followers: 3)
Bulletin of the Lebedev Physics Institute     Hybrid Journal   (Followers: 1)
Bulletin of the Russian Academy of Sciences: Physics     Hybrid Journal  
Caderno Brasileiro de Ensino de Física     Open Access  
Canadian Journal of Physics     Full-text available via subscription   (Followers: 14)
Case Studies in Nondestructive Testing and Evaluation     Open Access   (Followers: 8)
Cells     Open Access   (Followers: 2)
CERN courier. International journal of high energy physics     Free   (Followers: 7)
Chemical Physics of Solid Surfaces     Full-text available via subscription  
Chinese Journal of Astronomy and Astrophysics     Full-text available via subscription   (Followers: 13)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Chinese Journal of Physics     Hybrid Journal  
Chinese Physics B     Full-text available via subscription  
Chinese Physics C     Full-text available via subscription  
Chinese Physics Letters     Full-text available via subscription  
Cogent Physics     Open Access  
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Colloid Journal     Hybrid Journal   (Followers: 2)
Communications in Mathematical Physics     Hybrid Journal   (Followers: 1)
Communications in Numerical Methods in Engineering     Hybrid Journal   (Followers: 2)
Communications in Theoretical Physics     Full-text available via subscription   (Followers: 2)
Complex Analysis and its Synergies     Open Access   (Followers: 2)
Composites Part A : Applied Science and Manufacturing     Hybrid Journal   (Followers: 166)
Composites Part B : Engineering     Hybrid Journal   (Followers: 213)
Computational Astrophysics and Cosmology     Open Access  
Computational Condensed Matter     Open Access  
Computational Materials Science     Hybrid Journal   (Followers: 21)
Computational Mathematics and Mathematical Physics     Hybrid Journal   (Followers: 1)
Computational Particle Mechanics     Hybrid Journal   (Followers: 1)
Computational Science and Discovery     Full-text available via subscription   (Followers: 2)
Computer Physics Communications     Hybrid Journal   (Followers: 6)
Contemporary Concepts of Condensed Matter Science     Full-text available via subscription  
Contemporary Physics     Hybrid Journal   (Followers: 27)
Continuum Mechanics and Thermodynamics     Hybrid Journal   (Followers: 6)
Contributions to Plasma Physics     Hybrid Journal   (Followers: 3)
COSPAR Colloquia Series     Full-text available via subscription   (Followers: 7)
Cryogenics     Hybrid Journal   (Followers: 45)
Current Applied Physics     Full-text available via subscription   (Followers: 4)
Current Science     Open Access   (Followers: 46)
Diagnostic and Interventional Imaging     Full-text available via subscription  
Diamond and Related Materials     Hybrid Journal   (Followers: 11)
Doklady Physics     Hybrid Journal   (Followers: 1)
Dynamical Properties of Solids     Full-text available via subscription  
ECS Journal of Solid State Science and Technology     Hybrid Journal   (Followers: 3)
EDUSAINS     Open Access  
Egyptian Journal of Remote Sensing and Space Science     Open Access   (Followers: 20)
EJNMMI Physics     Open Access  
Electrospinning     Open Access  
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 40)
Energy Procedia     Open Access   (Followers: 2)
Engineering Failure Analysis     Hybrid Journal   (Followers: 64)
Engineering Fracture Mechanics     Hybrid Journal   (Followers: 22)
Environmental Fluid Mechanics     Hybrid Journal   (Followers: 3)
EPJ Nonlinear Biomedical Physics     Open Access  
EPJ Quantum Technology     Open Access  
EPJ Techniques and Instrumentation     Full-text available via subscription  
EPJ Web of Conferences     Open Access  
European Journal of Physics     Full-text available via subscription   (Followers: 19)
European Journal of Physics Education     Open Access   (Followers: 3)
European Physical Journal - Applied Physics     Full-text available via subscription   (Followers: 16)
European Physical Journal C     Hybrid Journal   (Followers: 1)
Europhysics News     Open Access  
Experimental Mechanics     Hybrid Journal   (Followers: 21)
Experimental Methods in the Physical Sciences     Full-text available via subscription  
Experimental Techniques     Hybrid Journal   (Followers: 56)
Exploration Geophysics     Hybrid Journal   (Followers: 4)
Few-Body Systems     Hybrid Journal  
Fire and Materials     Hybrid Journal   (Followers: 5)
Flexible Services and Manufacturing Journal     Hybrid Journal   (Followers: 1)
Fluctuation and Noise Letters     Hybrid Journal   (Followers: 1)
Fluid Dynamics     Hybrid Journal   (Followers: 11)
Fortschritte der Physik/Progress of Physics     Hybrid Journal  
Frontiers in Physics     Open Access   (Followers: 6)
Frontiers of Materials Science     Hybrid Journal   (Followers: 3)
Frontiers of Physics     Hybrid Journal   (Followers: 2)
Fusion Engineering and Design     Hybrid Journal   (Followers: 10)
Geochemistry, Geophysics, Geosystems     Full-text available via subscription   (Followers: 25)
Geografiska Annaler, Series A: Physical Geography     Hybrid Journal   (Followers: 3)
Geophysical Research Letters     Full-text available via subscription   (Followers: 101)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 124)
Glass Physics and Chemistry     Hybrid Journal   (Followers: 4)
Global Journal of Physics     Open Access   (Followers: 2)
Granular Matter     Hybrid Journal   (Followers: 1)
Graphs and Combinatorics     Hybrid Journal   (Followers: 6)
Gravitation and Cosmology     Hybrid Journal   (Followers: 3)
Handbook of Geophysical Exploration: Seismic Exploration     Full-text available via subscription  
Handbook of Metal Physics     Full-text available via subscription  
Handbook of Surface Science     Full-text available via subscription   (Followers: 3)
Handbook of Thermal Analysis and Calorimetry     Full-text available via subscription   (Followers: 1)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 3)
Heat Transfer - Asian Research     Hybrid Journal   (Followers: 10)
High Energy Density Physics     Hybrid Journal   (Followers: 2)
High Pressure Research: An International Journal     Hybrid Journal   (Followers: 3)
IEEE Journal of Quantum Electronics     Hybrid Journal   (Followers: 20)
IEEE Signal Processing Magazine     Full-text available via subscription   (Followers: 62)
IET Optoelectronics     Hybrid Journal   (Followers: 1)
Il Colle di Galileo     Open Access  
Image Analysis & Stereology     Open Access  
Imaging Science Journal     Hybrid Journal   (Followers: 2)
Indian Journal of Biochemistry and Biophysics (IJBB)     Open Access   (Followers: 3)
Indian Journal of Physics     Hybrid Journal   (Followers: 20)
Indian Journal of Pure & Applied Physics (IJPAP)     Open Access   (Followers: 38)
Indian Journal of Radio & Space Physics (IJRSP)     Open Access   (Followers: 35)
Industrial Electronics, IEEE Transactions on     Hybrid Journal   (Followers: 29)
Industry Applications, IEEE Transactions on     Hybrid Journal   (Followers: 7)
Infinite Dimensional Analysis, Quantum Probability and Related Topics     Hybrid Journal  
InfraMatics     Open Access  
Infrared Physics & Technology     Hybrid Journal   (Followers: 10)
Intelligent Transportation Systems Magazine, IEEE     Full-text available via subscription   (Followers: 8)
Intermetallics     Hybrid Journal   (Followers: 22)
International Applied Mechanics     Hybrid Journal   (Followers: 3)
International Geophysics     Full-text available via subscription   (Followers: 3)
International Heat Treatment and Surface Engineering     Hybrid Journal   (Followers: 3)
International Journal for Computational Methods in Engineering Science and Mechanics     Hybrid Journal   (Followers: 10)
International Journal for Ion Mobility Spectrometry     Hybrid Journal   (Followers: 1)
International Journal for Simulation and Multidisciplinary Design Optimization     Open Access   (Followers: 3)
International Journal of Abrasive Technology     Hybrid Journal   (Followers: 2)
International Journal of Aeroacoustics     Hybrid Journal   (Followers: 29)
International Journal of Applied Electronics in Physics & Robotics     Open Access   (Followers: 4)
International Journal of Astronomy and Astrophysics     Open Access   (Followers: 21)
International Journal of Computational Materials Science and Surface Engineering     Hybrid Journal   (Followers: 6)
International Journal of Damage Mechanics     Hybrid Journal   (Followers: 5)
International Journal of Fatigue     Hybrid Journal   (Followers: 32)
International Journal of Fracture     Hybrid Journal   (Followers: 11)
International Journal of Geometric Methods in Modern Physics     Hybrid Journal   (Followers: 2)
International Journal of Geophysics     Open Access   (Followers: 5)
International Journal of Heat and Fluid Flow     Hybrid Journal   (Followers: 31)
International Journal of Low Radiation     Hybrid Journal  
International Journal of Low-Carbon Technologies     Open Access   (Followers: 1)
International Journal of Mass Spectrometry     Hybrid Journal   (Followers: 17)

        1 2 3 | Last

Journal Cover Chinese Physics C
  [SJR: 1.821]   [H-I: 16]   [0 followers]  Follow
   Full-text available via subscription Subscription journal  (Not entitled to full-text)
   ISSN (Print) 1674-1137
   Published by IOP Homepage  [71 journals]
  • D 0 -D̄ 0 mixing sensitivity estimation at Belle II in wrong-sign decays
           D 0 → K + π − π 0 via time-dependent amplitude analysis
    • Authors: Long-Ke Li; Ye-Qi Chen, Wen-Biao Yan Zi-Ping Zhang
      First page: 023001
      Abstract: The sensitivity of the D 0 -D̄ 0 mixing parameters x and y is estimated in the wrong-sign decay D 0 → K + π − π 0 by time-dependent amplitude analysis. The resolution of the D 0 lifetime is essential in time-dependent Dalitz analyses. The Belle II detector, which aims to collect a total integrated luminosity of 50 ab −1 of data, has σ = 140 fs in Monte Carlo studies, a factor of two improvement over that of Belle and BaBar, so the produced Dalitz signal Monte Carlo samples are smeared with this resolution. Then a time-dependent Dalitz plot fitting is performed on these smeared samples, and the sensitivity of D 0 -D̄ 0 mixing parameters are σ x = 0.057% and σ y = 0.049%. These are about an order of magnitude improvement on current experimental results, without considering background effects.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Physics prospects of the Jinping neutrino experiment
    • Authors: John F. Beacom; Shaomin Chen, Jianping Cheng, Sayed N. Doustimotlagh, Yuanning Gao, Guanghua Gong, Hui Gong, Lei Guo, Ran Han, Hong-Jian He, Xingtao Huang, Jianmin Li, Jin Li, Mohan Li, Xueqian Li, Wei Liao, Guey-Lin Lin, Zuowei Liu, William McDonough, Ondřej Šrámek, Jian Tang, Linyan Wan, Yuanqing Wang, Zhe Wang, Zongyi Wang, Hanyu Wei, Yufei Xi, Ye Xu, Xun-Jie Xu, Zhenwei Yang, Chunfa Yao, Minfang Yeh, Qian Yue, Liming Zhang, Yang Zhang, Zhihong Zhao, Yangheng Zheng, Xiang Zhou, Xianglei Zhu Kai Zuber
      First page: 023002
      Abstract: The China Jinping Underground Laboratory (CJPL), which has the lowest cosmic-ray muon flux and the lowest reactor neutrino flux of any laboratory, is ideal to carry out low-energy neutrino experiments. With two detectors and a total fiducial mass of 2000 tons for solar neutrino physics (equivalently, 3000 tons for geo-neutrino and supernova neutrino physics), the Jinping neutrino experiment will have the potential to identify the neutrinos from the CNO fusion cycles of the Sun, to cover the transition phase for the solar neutrino oscillation from vacuum to matter mixing, and to measure the geo-neutrino flux, including the Th/U ratio. These goals can be fulfilled with mature existing techniques. Efforts on increasing the target mass with multi-modular neutrino detectors and on developing the slow liquid scintillator will increase the Jinping discovery potential in the study of solar neutrinos, geo-neutrinos, supernova neutrinos, and dark matter.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Cross section and Higgs mass measurement with Higgsstrahlung at the CEPC
    • Authors: Zhen-Xing Chen; Ying Yang, Man-Qi Ruan, Da-Yong Wang, Gang Li, Shan Jin Yong Ban
      First page: 023003
      Abstract: The Circular Electron Positron Collider (CEPC) is a future Higgs factory proposed by the Chinese high energy physics community. It will operate at a center-of-mass energy of 240–250 GeV. The CEPC will accumulate an integrated luminosity of 5 ab −1 over ten years of operation, producing one million Higgs bosons via the Higgsstrahlung and vector boson fusion processes. This sample allows a percent or even sub-percent level determination of the Higgs boson couplings. With GEANT4-based full simulation and a dedicated fast simulation tool, we have evaluated the statistical precisions of the Higgstrahlung cross section σ ZH and the Higgs mass m H measurement at the CEPC in the Z → μ + μ − channel. The statistical precision of σ ZH ( m H ) measurement could reach 0.97% (6.9 MeV) in the model-independent analysis which uses only the information from Z boson decays. For the standard model H...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Uncertainty of parton distribution functions due to physical observables
           in a global analysis
    • Authors: Alireza Aleedaneshvar; Muhammad Goharipour Saeedeh Rostami
      First page: 023101
      Abstract: The recent measurement of the differential γ + c-jet cross section, performed at the Tevatron collider in Run II by the D0 collaboration, is studied in a next-to-leading order (NLO) global QCD analysis to assess its impact on the proton parton distribution functions (PDFs). We show that these data lead to a significant change in the gluon and charm quark distributions. We demonstrate also that there is an inconsistency between the new high precision HERA I+II combined data and Tevatron measurement. Moreover, in this study we investigate the impact of older EMC measurements of charm structure function ##IMG## [] on the PDFs and compare the results with those from the analysis of Tevatron data. We show that both of them have the same impact on the PDFs, and thus can be recognized as the same evidence for the inefficiency of perturbative QCD in dealing with charm production in some ki...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Energy loss effect of incoming gluons from J/ψ production in p-A
    • Authors: Li-Hua Song; Lin-Wan Yan Chun-Gui Duan
      First page: 023102
      Abstract: The energy loss effect of incoming gluons from J/ψ production in p-A (or d-A) collisions is investigated by means of the E866, RHIC and LHC experimental data. The gluon mean energy loss per unit path length d E /d L = 2.18 ± 0.14 GeV/fm is extracted by fitting the E866 experimental data for J/ψ production cross section ratios R W(Fe)/Be ( x F ). The obtained result indicates that the incoming gluons lose more energy than the incident quarks. By comparing the theoretical results with E866, RHIC, and LHC experimental data, it is found that the nuclear suppression due to the incident gluon (quark) energy loss reduces (increases) with the increase of the kinematic variable x F (or y ). The energy loss effect of incoming gluons plays an important role in the suppression of J/ψ production in a wide energy range from ##IMG## [] ...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Relativistic correction to gluon fragmentation function into pseudoscalar
    • Authors: Xiangrui Gao; Yu Jia, Liuji Li Xiaonu Xiong
      First page: 023103
      Abstract: Inspired by the recent measurements of the η c meson production at LHC experiments, we investigate the relativistic correction effect for the fragmentation functions of gluon/charm quark fragmenting into η c , which constitute the crucial nonperturbative element for the η c production at high p T . Employing three distinct methods, we calculate the next-to-leading-order (NLO) relativistic correction to g → η c fragmentation function in the NRQCD factorization framework, as well as verifying the existing NLO result for the c → η c fragmentation function. We also study the evolution behavior of these fragmentation functions with the aid of the DGLAP equation.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Power law of shear viscosity in Einstein-Maxwell-Dilaton-Axion model
    • Authors: Yi Ling; Zhuoyu Xian Zhenhua Zhou
      First page: 023104
      Abstract: We construct charged black hole solutions with hyperscaling violation in the infrared (IR) region in Einstein-Maxwell-Dilaton-Axion theory and investigate the temperature behavior of the ratio of holographic shear viscosity to the entropy density. When translational symmetry breaking is relevant in the IR, the power law of the ratio is verified numerically at low temperature T , namely, η / s ∼ T κ , where the values of exponent κ coincide with the analytical results. We also find that the exponent κ is not affected by irrelevant current, but is reduced by the relevant current.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Discovery potential of Higgs boson pair production through
           ##IMG## []
           final states at a 100 TeV collider
    • Authors: Xiaoran Zhao; Qiang Li, Zhao Li Qi-Shu Yan
      First page: 023105
      Abstract: We explore the discovery potential of Higgs pair production at a 100 TeV collider via full leptonic mode. The same mode can be explored at the LHC when Higgs pair production is enhanced by new physics. We examine two types of fully leptonic final states and propose a partial reconstruction method, which can reconstruct some useful kinematic observables. It is found that the m T2 variable determined by this reconstruction method and the reconstructed visible Higgs mass are crucial to discriminate the signal and background events. It is also noticed that a new variable, denoted as Δ m , which is defined as the mass difference of two possible combinations, is very useful as a discriminant. To examine the detector effects, we consider seven detector setups for a 100 TeV collider and investigate the changes in the sensitivity, and we find that lepton isolation and the minimal lepton P t cut are crucial in order to reduce the integrated luminos...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Charmed baryon decay asymmetry in e + e − annihilation
    • Authors: Dan Wang; Rong-Gang Ping, Lei Li, Xiao-Rui Lyu Yang-Heng Zheng
      First page: 023106
      Abstract: We propose to measure the decay asymmetry parameters in the hadronic weak decays of singly charmed baryons, such as ##IMG## [] ,Σ 0 π + ,pK̄ 0 , ##IMG## [] and ##IMG## [] . The joint angular formulae for these processes are presented, and are used to extract the asymmetry parameters in e + e − annihilation data. Base on the current ##IMG## [] data set collected at BESIII, we estimate the experimental sensitivities to measure the parameters α Λπ+ for ##IMG## [] , α
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Anisotropic flow of Pb+Pb
           ##IMG## []
           from a multi-phase transport model
    • Authors: Zhao Feng; Guang-Ming Huang Feng Liu
      First page: 024001
      Abstract: Anisotropic flow is an important observable in the study of the quark-gluon plasma that is expected to be formed in heavy-ion collisions. With a multiphase transport (AMPT) model we investigate the elliptic ( υ 2 ), triangular ( υ 3 ), and quadrangular ( υ 4 ) flow of charged particles in Pb+Pb collisions at ##IMG## [] . We then compare our flow results with the published ALICE flow results. We find our AMPT simulated results are consistent with ALICE experimental data.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Charmonium dissociation in collisions with ϕ mesons in hadronic
    • Authors: Shi-Tao Ji; Xiao-Ming Xu
      First page: 024101
      Abstract: The ϕ-charmonium dissociation reactions in hadronic matter are studied. Unpolarised cross sections for ##IMG## [] , ##IMG## [] or ##IMG## [] , ##IMG## [] , ##IMG## [] , ##IMG## [] or ##IMG## [] , ##IMG## [] , ##IMG## []
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Polarization of protons in the optical model
    • Authors: Yu. A. Berezhnoy; V. P. Mikhailyuk
      First page: 024102
      Abstract: A development of the optical model for the description of hadron-nucleus scattering is proposed. When describing the behaviour of observables for elastic proton scattering from 40 Ca nuclei at the energy of 200 MeV the second Born approximation is used. Analytical expressions for the scattering amplitudes as well as for the differential cross section and polarization observables were obtained. The observables calculated in this approach are in reasonable agreement with the available experimental data.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Investigation of the high-spin rotational properties of the proton emitter
           113 Cs using a particle-number conserving method
    • Authors: Zhen-Hua Zhang; Peng Xu
      First page: 024103
      Abstract: The recently observed two high-spin rotational bands in the proton emitter 113 Cs are investigated using the cranked shell model with pairing correlations treated by a particle-number conserving method, in which the Pauli blocking effects are taken into account exactly. By using the configuration assignments of band 1 [ π 3/2 + [422]( g 7/2 ), α = −1/2] and band 2 [ π 1/2 + [420]( d 5/2 ), α = 1/2], the experimental moments of inertia and quasiparticle alignments can be reproduced much better by the present calculations than those using the configuration assginment of π 1/2 − [550] ( h 11/2 ), which in turn may support these configuration assignments. Furthermore, by analyzing the occupation probability n μ of each cranked Nilsson level near the Fermi surface and the contribution of each orbital to the angular momentum alignments, the back...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Investigation of fission fragments average spin based on four dimensional
           Langevin dynamical model
    • Authors: D. Naderi; M. Salimi
      First page: 024104
      Abstract: We applied the four dimensional Langevin dynamical model to investigate the average spin of fission fragments. Elongation, neck thickness, asymmetry parameter, and the orientation degree of freedom ( K coordinate) are the four dimensions of the dynamical model. We assume that the collective modes depend on the emission angle of the fragments, then different parameters related to the average spin of fission fragments are calculated dynamically. The angle dependence of average spin of fission fragments is investigated by calculating the spin at angles 90° and 165°. Also, the obtained results based on the transition state model at scission point are presented. One can obtain better agreement between the results of the dynamical model and experimental data in comparison with the results of the transition state model.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Is GW151226 really a gravitational wave signal?
    • Authors: Zhe Chang; Chao-Guang Huang Zhi-Chao Zhao
      First page: 025001
      Abstract: Recently, the LIGO Scientific Collaboration and Virgo Collaboration published the second observation of a gravitational wave, GW151226 [Phys. Rev. Lett. 116 , 241103 (2016)], from a binary black hole coalescence with initial masses about 14 M ⊙ and 8 M ⊙ . They claimed that the peak gravitational strain was reached at about 450 Hz, the inverse of which is longer than the average time a photon stays in the Fabry-Perot cavities in the two arms. In this case, the phase-difference of a photon in the two arms due to the propagation of a gravitational wave does not always increase as the photon stays in the cavities. It might even be cancelled to zero in extreme cases. When the propagation effect is taken into account, we find that the claimed signal GW151226 almost disappears.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Performance study of the neutron-TPC
    • Authors: Meng Huang; Yulan Li, Libo Niu, Zhi Deng, Xiaolei Cheng, Li He, Hongyan Zhang, Jianqiang Fu, Yangyang Yan, Yiming Cai Yuanjing Li
      First page: 026001
      Abstract: Fast neutron spectrometers will play an important role in the future of the nuclear industry and nuclear physics experiments, in tasks such as fast neutron reactor monitoring, thermo-nuclear fusion plasma diagnostics, nuclear reaction cross-section measurement, and special nuclear material detection. Recently, a new fast neutron spectrometer based on a GEM (Gas Electron Multiplier amplification)-TPC (Time Projection Chamber), named the neutron-TPC, has been under development at Tsinghua University. It is designed to have a high energy resolution, high detection efficiency, easy access to the medium material, an outstanding n/ γ suppression ratio, and a wide range of applications. This paper presents the design, test, and experimental study of the neutron-TPC. Based on the experimental results, the energy resolution (FWHM) of the neutron-TPC can reach 15.7%, 10.3% and 7.0% with detection efficiency higher than 10 −5 for 1.2 MeV, 1.81 MeV and 2.5 MeV neutrons respe...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • A method to monitor and measure the water transparency in LHAASO-WCDA
           using cosmic muon signals
    • Authors: Hui-Cai Li; Zhi-Guo Yao, Chun-Xu Yu, Ming-Jun Chen, Han-Rong Wu, Min Zha, Bo Gao, Xiao-Jie Wang, Jin-Yan Liu Wen-Ying Liao (for the LHAASO collaboration)
      First page: 026002
      Abstract: The Large High Altitude Air Shower Observatory (LHAASO) is to be built at Daocheng, Sichuan Province, China. As one of the major components of the LHAASO project, a Water Cherenkov Detector Array (WCDA), with an area of 78000 m 2 , contains 350000 tons of purified water. The water transparency and its stability are critical for successful long-term operation of this project. To gain full knowledge of the water Cherenkov technique and investigate the engineering issues, a 9-cell detector array has been built at the Yangbajing site, Tibet, China. With the help of the distribution of single cosmic muon signals, the monitoring and measurement of water transparency are studied. The results show that a precision of several percent can be obtained for the attenuation length measurement, which satisfies the requirements of the experiment. In the near future, this method could be applied to the LHAASO-WCDA project.
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Development of an ADC radiation tolerance characterization system for the
           upgrade of the ATLAS LAr calorimeter
    • Authors: Hong-Bin Liu; Hu-Cheng Chen, Kai Chen, James Kierstead, Francesco Lanni, Helio Takai Ge Jin
      First page: 026101
      Abstract: ATLAS LAr calorimeter will undergo its Phase-I upgrade during the long shutdown (LS2) in 2018, and a new LAr Trigger Digitizer Board (LTDB) will be designed and installed. Several commercial-off-the-shelf (COTS) multi-channel high-speed ADCs have been selected as possible backups of the radiation tolerant ADC ASICs for the LTDB. To evaluate the radiation tolerance of these backup commercial ADCs, we developed an ADC radiation tolerance characterization system, which includes the ADC boards, data acquisition (DAQ) board, signal generator, external power supplies and a host computer. The ADC board is custom designed for different ADCs, with ADC drivers and clock distribution circuits integrated on board. The Xilinx ZC706 FPGA development board is used as a DAQ board. The data from the ADC are routed to the FPGA through the FMC (FPGA Mezzanine Card) connector, de-serialized and monitored by the FPGA, and then transmitted to the host computer through the Gigabit Ethernet. A software...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • System design for precise digitization and readout of the CSNS-WNS BaF 2
    • Authors: De-Liang Zhang; Ping Cao, Qi Wang, Bing He, Ya-Xi Zhang, Xin-Cheng Qi, Tao Yu Qi An
      First page: 026102
      Abstract: The BaF 2 (barium fluoride) spectrometer is one of the experiment facilities at the CSNS-WNS (White Neutron Source at China Spallation Neutron Source), currently under construction. It is designed to precisely measure the (n, γ ) cross section, with 92 crystal elements and complete 4 π steradian coverage. In order to improve the precision of measurement, in this paper, a new precise digitization and readout method is proposed. Waveform digitizing with 1 GSps sampling rate and 12-bit resolution is used to precisely capture the detector signal. To solve the problem of massive data readout and processing, the readout electronics is designed as a distributed architecture with 4 PXIe crates. The digitized signal is concentrated to the PXIe crate controller through a PCIe bus on the backplane and transmitted to the data acquisition system over gigabit Ethernet in parallel. Besides, the clock and trigger can be fanned out synchronously to every electronic channel ...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
  • Optimizing the lattice design of a diffraction-limited storage ring with a
           rational combination of particle swarm and genetic algorithms
    • Authors: Yi Jiao; Gang Xu
      First page: 027001
      Abstract: In the lattice design of a diffraction-limited storage ring (DLSR) consisting of compact multi-bend achromats (MBAs), it is challenging to simultaneously achieve an ultralow emittance and a satisfactory nonlinear performance, due to extremely large nonlinearities and limited tuning ranges of the element parameters. Nevertheless, in this paper we show that the potential of a DLSR design can be explored with a successive and iterative implementation of the multi-objective particle swarm optimization (MOPSO) and multi-objective genetic algorithm (MOGA). For the High Energy Photon Source, a planned kilometer-scale DLSR, optimizations indicate that it is feasible to attain a natural emittance of about 50 pm·rad, and simultaneously realize a sufficient ring acceptance for on-axis longitudinal injection, by using a hybrid MBA lattice. In particular, this study demonstrates that a rational combination of the MOPSO and MOGA is more effective than either of them alone, in approaching the ...
      Citation: Chinese Physics C
      PubDate: 2017-02-20T00:00:00Z
      Issue No: Vol. 41, No. 2 (2017)
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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