ATLAS Collaboration
ATLAS Collaboration
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寰图协作
DOI:
10.1016/s0375-9474(17)30376-7
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发表时间:
2017
影响因子:
1.4
通讯作者:
Aaboud M
中科院分区:
文献类型:
--
作者:
Aaboud M
Quark interactions with topological gluon configurations can induce chirality imbalance and local parity violation in quantum chromodynamics. This can lead to electric charge separation along the strong magnetic field in relativistic heavy-ion collisions – the chiral magnetic effect (CME). We report measurements by the STAR collaboration of a CME-sensitive observable in p+Au and d+Au collisions at 200 GeV, where the CME is not expected, using charge-dependent pair correlations relative to a third particle. We observe strong charge-dependent correlations similar to those measured in heavy-ion collisions. This bears important implications for the interpretation of the heavy-ion data.