Testing the chiral magnetic effect with isobaric collisions
Deng, WT; Huang, XG; Ma, GL; Wang, G; Deng, WT (reprint author), Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
2016
发表期刊PHYSICAL REVIEW C
ISSN2469-9985
卷号94期号:4页码:-
文章类型期刊论文
摘要The quark-gluon matter produced in relativistic heavy-ion collisions may contain local domains in which parity (P) and combined charge conjugation and parity (CP) symmetries are not preserved. When coupled with an external magnetic field, such P- and CP-odd domains will generate electric currents along the magnetic field-a phenomenon called the chiral magnetic effect (CME). Recently, the STAR Collaboration at the BNL Relativistic Heavy Ion Collider (RHIC) and the ALICE Collaboration at the CERN Large Hadron Collider (LHC) released data of charge-dependent azimuthal-angle correlators with features consistent with the CME expectation. However, the experimental observable is contaminated with significant background contributions from elliptic-flow-driven effects, which makes the interpretation of the data ambiguous. We show that the collisions of isobaric nuclei, Ru-96(44) + Ru-96(44) and Zr-96(40) + Zr-96(40), provide an ideal tool to disentangle the CME signal from the background effects. Our simulation demonstrates that the two collision types at root s(NN) = 200 GeV have more than 10% difference in the CME signal and less than 2% difference in the elliptic-flow-driven backgrounds for the centrality range of 20-60%.
DOI10.1103/PhysRevC.94.041901
收录类别SCI
语种英语
WOS记录号WOS:000390177700001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26651
专题中科院上海应用物理研究所2011-2018年
通讯作者Deng, WT (reprint author), Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
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Deng, WT,Huang, XG,Ma, GL,et al. Testing the chiral magnetic effect with isobaric collisions[J]. PHYSICAL REVIEW C,2016,94(4):-.
APA Deng, WT,Huang, XG,Ma, GL,Wang, G,&Deng, WT .(2016).Testing the chiral magnetic effect with isobaric collisions.PHYSICAL REVIEW C,94(4),-.
MLA Deng, WT,et al."Testing the chiral magnetic effect with isobaric collisions".PHYSICAL REVIEW C 94.4(2016):-.
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