Electromagnetic fields in small systems from a multiphase transport model
Zhao, XL; Ma, YG; Ma, GL
2018
发表期刊PHYSICAL REVIEW C
ISSN2469-9985
卷号97期号:2页码:-
文章类型期刊论文
摘要We calculate the electromagnetic fields generated in small systems by using a multiphase transport (AMPT) model. Compared to A + A collisions, we find that the absolute electric and magnetic fields are not small in p + Au and d + Au collisions at energies available at the BNL Relativistic Heavy Ion Collider and in p + Pb collisions at energies available at the CERN Large Hadron Collider. We study the centrality dependencies and the spatial distributions of electromagnetic fields. We further investigate the azimuthal fluctuations of the magnetic field and its correlation with the fluctuating geometry using event-by-event simulations. We find that the azimuthal correlation < cos 2(Psi(B) - Psi(2))> between the magnetic field direction and the second-harmonic participant plane is almost zero in small systems with high multiplicities, but not in those with low multiplicities. This indicates that the charge azimuthal correlation < cos(phi(alpha) + phi(beta) - 2 Psi(RP))> is not a valid probe to study the chiral magnetic effect (CME) in small systems with high multiplicities. However, we suggest searching for possible CME effects in small systems with low multiplicities.
关键词Heavy-ion Collisions Magnetic-field Matter Collaboration Violation Parton Event Qcd
DOI10.1103/PhysRevC.97.024910
收录类别SCI
语种英语
WOS记录号WOS:000425493700008
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28995
专题中科院上海应用物理研究所2011-2018年
作者单位1.Zhao, XL
2.Ma, YG
3.Ma, GL
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Zhao, XL,Ma, YG,Ma, GL. Electromagnetic fields in small systems from a multiphase transport model[J]. PHYSICAL REVIEW C,2018,97(2):-.
APA Zhao, XL,Ma, YG,&Ma, GL.(2018).Electromagnetic fields in small systems from a multiphase transport model.PHYSICAL REVIEW C,97(2),-.
MLA Zhao, XL,et al."Electromagnetic fields in small systems from a multiphase transport model".PHYSICAL REVIEW C 97.2(2018):-.
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