A Method for Measuring Elliptic Flow Fluctuations in PHOBOS

Details A Method for Measuring Elliptic Flow Fluctuations in PHOBOS A Method for Measuring Elliptic Flow Fluctuations in PHOBOS

2006-08-15

arxiv.org/abs/nucl-ex/0608025v2

PoS CFRNC2006:023,2006

Physics

Nuclear Physics

Nuclear Experiment

9 pages, 13 figures, Talk given at International Workshops on Correlations and Fluctuations in Relativistic Nuclear Collisions

Scientific paper

10.1142/S0218301307007106

We introduce an analysis method to measure elliptic flow (v_2) fluctuations using the PHOBOS detector for Au+Au collisions at sqrt(s) = 200 GeV. In this method, v_2 is determined event-by-event by a maximum likelihood fit. The non-statistical fluctuations are determined by unfolding the contribution of statistical fluctuations and detector effects using Monte Carlo simulations(MC). Application of this method to measure dynamical fluctuations embedded in special MC are presented. It is shown that the input fluctuations are reconstructed successfully for >= 0.03.

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