Statistical and dynamical fluctuations in the ratios of higher cumulants in relativistic heavy ion collisions

Details Statistical and dynamical fluctuations in the ratios of higher cumulants in relativistic heavy ion collisions Statistical and dynamical fluctuations in the ratios of higher cumulants in relativistic heavy ion collisions

2010-11-02

arxiv.org/abs/1011.0712v2

Physics

Nuclear Physics

Nuclear Theory

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Scientific paper

With the help of transport and statistical models, we find that the ratios of higher net-proton cumulants measured at RHIC are dominated by the statistical fluctuations. Future measurements should focus on the dynamical fluctuations, which are relevant to the underlying mechanisms of particle production, the critical phenomena in particular. We also demonstrate that a proton-antiproton correlation directly show if protons and antiprotons are emitted independently.

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