Two- and three-particle nonflow contributions to the chiral magnetic effect measurement by spectator and participant planes in relativistic heavy ion collisions
Journal Article
·
· Physical Review. C
- Purdue Univ., West Lafayette, IN (United States); Purdue University
- Purdue Univ., West Lafayette, IN (United States)
- Wuhan University of Science and Technology, Hubei (China)
- Huzhou Univ., Zhejiang (China)
- Purdue Univ., West Lafayette, IN (United States); Huzhou Univ., Zhejiang (China)
Correlation measurements with respect to the spectator and participant planes in relativistic heavy ion collisions were proposed to extract the chiral magnetic effect (CME) from background dominated azimuthal correlators. Here, this paper investigates the effects of two- and three-particle nonflow correlations on the extracted CME signal fraction, fCME. It is found, guided by a multiphase transport (ampt) model and the heavy ion jet interaction generator (hijing) together with experimental data, that the nonflow effects amount to approximately (4 ± 5)% and (–5 ± 3)% without and with pseudorapidity gaps, respectively, in 20–50% centrality Au + Au collisions at √sNN = 200 GeV.
- Research Organization:
- Purdue Univ., West Lafayette, IN (United States)
- Sponsoring Organization:
- China Hubei Province Department of Education; China Ministry of Science and Technology; China National Natural Science Foundation; USDOE
- Grant/Contract Number:
- SC0012910
- OSTI ID:
- 1875392
- Journal Information:
- Physical Review. C, Journal Name: Physical Review. C Journal Issue: 2 Vol. 105; ISSN 2469-9985
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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