Forward-Backward Multiplicity Correlations in sqrt(s_NN)=200 GeV Au+Au Collisions

Details Forward-Backward Multiplicity Correlations in sqrt(s_NN)=200 GeV Au+Au Collisions Forward-Backward Multiplicity Correlations in sqrt(s_NN)=200 GeV Au+Au Collisions

2005-10-11

arxiv.org/abs/nucl-ex/0510036v1

Nucl.Phys.A774:631-634,2006

Physics

Nuclear Physics

Nuclear Experiment

5 pages, 1 figure, submitted (without full author list) to the Proceedings of Quark Matter 2005, Budapest, Hungary, August 4-9

Scientific paper

10.1016/j.nuclphysa.2006.06.102

Forward-backward correlations of charged-particle multiplicities in symmetric bins in pseudorapidity (eta) are studied in order to gain insight into the underlying correlation structure of particle production in Au+Au collisions. The PHOBOS detector is used to measure integrated multiplicities in bins defined within eta<3, centered at eta and covering an interval Delta-eta. The variance (sigma^2_C) of a suitably defined forward-backward asymmetry variable is calculated as a function of eta, Delta-eta, and centrality. It is found to be sensitive to short range correlations, and the concept of ``clustering'' is used to interpret comparisons to phenomenological models.

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