Rapidity bin multiplicity correlations from a multi-phase transport model

. The central-arbitrary bin and forward-backward bin multiplicity correlation patterns for Au+Au collisions at GeV are investigated within a multi-phase transport (AMPT) model. An interesting observation is that for GeV Au+Au collisions, these two correlation patterns both have an increase with the...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2016-03, Vol.52 (3), Article 46
Main Authors: Wang, Mei-Juan, Chen, Gang, Wu, Yuan-Fang, Ma, Guo-Liang
Format: Article
Language:English
Subjects:
Hadrons
Heavy Ions
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Regular Article - Theoretical Physics
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Summary:. The central-arbitrary bin and forward-backward bin multiplicity correlation patterns for Au+Au collisions at GeV are investigated within a multi-phase transport (AMPT) model. An interesting observation is that for GeV Au+Au collisions, these two correlation patterns both have an increase with the pseudorapidity gap, while for GeV Au+Au collisions, they decrease. We mainly discuss the influence of different evolution stages of collision system on the central-arbitrary bin correlations, such as the initial conditions, partonic scatterings, hadronization scheme and hadronic scatterings. Our results show that the central-arbitrary bin multiplicity correlations have different responses to partonic phase and hadronic phase, which can be suggested as a good probe to explore the dynamical evolution mechanism of the hot dense matter in high-energy heavy-ion collisions.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2016-16046-9