Nuclear Physics Seminar

"Critical behavior of the ratios of high net-proton cumulants in QCD phase transition and in relativistic heavy ion collisions"

Presented by Yuanfang Wu, Huazhong Normal University, Wuhan, China

Tuesday, November 30, 2010, 11:00 am — Small Seminar Room, Bldg. 510

I will discuss the studies on Binder liked ratios and the ratios of high cumulants of net-proton in searching critical point of QCD phase transition. Using 3D-Ising model, the critical behavior of these ratios are firstly presented. Their applications in searching critical point in relativistic heavy ion collisions are discussed. Then on experimental study at RHIC, the statistical fluctuations due to finite number of net-protons are estimated. It shows that statistical fluctuations dominate the results from RHIC/STAR. Therefore, the dynamical ratios of high net-proton cumulants are suggested. The results from transport and statistical models are presented and compared with data. The interesting deviations are observed.

Hosted by: Matt Lamont

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