Non-Gaussian Effects in Identical Pion Correlation Function at STAR

Details Non-Gaussian Effects in Identical Pion Correlation Function at STAR Non-Gaussian Effects in Identical Pion Correlation Function at STAR

2005-11-30

arxiv.org/abs/nucl-ex/0511053v1

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 3 figures; proceedings contribution to the Workshop on Particle Correlations and Femtoscopy, Kromeriz, Czech Republic

Scientific paper

10.1063/1.2197466

Preliminary femtoscopic results on identical pions from high statistics data set of Au+Au collisions at sqrt{s_NN}=200 GeV taken during the fourth RHIC run are presented. The measured three-dimensional correlation function is studied at low relative momenta using the Gaussian parametrization and the Levy stable parametrization. The latter is expected to better describe the data. As the results show, both parametrizations underestimate the peak of the measured correlation function equally.

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