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首页> 外文期刊>Physical review, C >Systematic study of symmetric cumulants at root S-NN=200 GeV in Au+Au collisions using a transport approach
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Systematic study of symmetric cumulants at root S-NN=200 GeV in Au+Au collisions using a transport approach

机译：使用传输方法在AU + AU碰撞中的根S-NN = 200 GEV对称累积剂的系统研究

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摘要

Measurement of four-particle symmetric cumulants has been considered to be a good tool to study the correlations between amplitudes of different orders of anisotropic flow harmonics in heavy-ion collisions. These new observables have not yet been measured at the Relativistic Heavy Ion Collider. Using a multiphase transport (AMPT) model, a set of predictions for the centrality dependence of the normalized four-particle symmetric cumulants in Au+Au collisions at root(NN)-N-S = 200 GeV is given. In addition, the effects of shear viscosity and hadronic rescattering on the magnitude of symmetric cumulants are discussed using the AMPT model atv root(NN)-N-S = 200 GeV. It is shown that sc(2,3) is found to be more sensitive to hadronic rescattering, whereas sc(2,4) is more sensitive to the shear viscosity. Rapidity dependence of symmetric cumulants is also shown. A relation between symmetric cumulant and event-plane correlation is investigated using the AMPT model.
机译：四粒子对称累积量的测量被认为是研究重离子碰撞中不同阶各向异性流谐波振幅之间相关性的良好工具。这些新的观测结果还没有在相对论重离子对撞机上进行测量。利用多相输运（AMPT）模型，对根（NN）-N-S=200GeV的Au+Au碰撞中归一化四粒子对称累积量的中心依赖性给出了一组预测。此外，利用AMPT模型atv root（NN）-N-S=200GeV讨论了剪切粘度和强子重散射对对称累积量大小的影响。结果表明，sc（2,3）对强子重散射更敏感，而sc（2,4）对剪切粘度更敏感。还显示了对称累积量的快速性依赖性。利用AMPT模型研究了对称累积量与事件平面相关性之间的关系。

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