论文标题

QCD相图和统计友好分布

The QCD phase diagram and statistics friendly distributions

论文作者

Koch, Volker, Bzdak, Adam, Oliinychenko, Dmytro, Steinheimer, Jan

论文摘要

\ sqrt {s} = 7.7 GEV的质子累积量的初步恒星数据与两个组件质子多数分布一致。我们表明,这种两组分的分布非常友好,因为可以用相对较少的事件提取出令人惊讶的高订单的阶乘累积物。结果,现在可以使用RHIC Beam Energy扫描的第一阶段的目前可用的Star数据来测试和验证两组分模型。

The preliminary STAR data for proton cumulants for central collisions at \sqrt{s}=7.7 GeV are consistent with a two-component proton multiplicity distribution. We show that this two-component distribution is statistics friendly in that factorial cumulants of surprisingly high orders may be extracted with a relatively small number of events. As a consequence the two-component model can be tested and verified right now with the presently available STAR data from the first phase of the RHIC beam energy scan.

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