论文标题
恒星实验中Au+Au碰撞中Net-Proton分布的六阶累积量的测量
Measurement of the Sixth-Order Cumulant of Net-Proton Distributions in Au+Au Collisions from the STAR Experiment
论文作者
论文摘要
净 - 巴里元多重性分布的高阶累积物被预测对高能核碰撞中产生的核物质的性质敏感。在本演讲中，我们介绍了6 $^{\ rm th} $的比率的碰撞中心（速度和横向动量）与2 $^{\ rm nd} $ - 订购累积比率（$ c_ {6}/c_ {2} $） $ \ sqrt {s _ {\ rm nn}}} = 54.4 $和200 GEV，由RHIC的Star Detector测量。将新结果与强子传输模型和晶格QCD计算进行比较。
Higher-order cumulants of the net-baryon multiplicity distributions are predicted to be sensitive to the properties of the nuclear matter created in high-energy nuclear collisions. In this talk, we present the collision centrality and acceptance (rapidity and transverse momentum) dependence of the ratio of the 6$^{\rm th}$- to the 2$^{\rm nd}$-order cumulant ratio ($C_{6}/C_{2}$) of net-proton in Au+Au collisions at $\sqrt{s_{\rm NN}}=54.4$ and 200 GeV measured by the STAR detector at RHIC. The new results are compared to hadron transport model and lattice QCD calculations.
