Correlation functions of net-proton multiplicity distributions in Au + Au collisions at energies available at the BNL Relativistic Heavy Ion Collider from a multiphase transport model
Fluctuations of conserved quantities are believed to be sensitive observables to probe the signature of the QCD phase transition and critical point. It was argued recently that measuring the genuine correlation functions (CFs) could provide cleaner information on possible nontrivial dynamics in heavy-ion collisions.With the AMPT (a multiphase transport) model, the centrality and energy dependence of various orders of CFs of net protons in Au + Au collisions at $\sqrt{s_\mathrm{NN}}$=7.7, 11.5, 19.6, 27, 39, 62.4 and 200 GeV are investigated. The model results show that the number of antiprotons is important and should be taken into account in the calculation of CFs at high energy and/or in peripheral collisions. It is also found that the contribution of antiprotons is more important for higher order correlations than for lower ones. The CFs of antiprotons and mixed correlations play roles comparable to those of protons at high energies. Finally, we make comparisons between the model calculation and experimental data measured in the STAR experiment at the BNL Relativistic Heavy Ion Collider.
Thermalization component model of multiplicity distributions of charged hadrons at BNL($E^{lab}_{NN}=2-11.6GeV/c$), the CERN($E^{lab}_{NN}=20-200GeV/c$), and the BNL ($\sqrt{s_{NN}}=19.6-200 GeV$)
Role of event multiplicity on hadronic phase lifetime and QCD phase boundary in ultrarelativistic collisions at energies available at the BNL Relativistic Heavy Ion Collider and CERN Large Hadron Collider
Baseline study for net-proton number fluctuations at top energies available at the BNL Relativistic Heavy Ion Collider and at the CERN Large Hadron Collider with the Angantyr model
System evolution of forward-backward multiplicity correlations in a multi-phase transport model
利用多相输运模型（AMPT）研究了轻核碰撞中初始几何效应对前后多重关联$C(N_{f},N_{b})$的影响。结果表明，四面体$^{16}$ O + $^{16}$ O形成的火球更均匀、对称，膨胀演化后的最终粒子分布更各向同性，形成小的$C(N_{f},N_{b})$.前向-后向多重数关联可以作为一种有用的探针，在实验中通过比较邻近的碰撞核系统如$^{14}$ N + $^{14}$ N和$^{19}$ F + $^{19}$ F来区分$α$-簇合$^{16}$ O的模式.
Impact of nuclear structure on the CME background in $^{96}_{44}$Ru + $^{96}_{44}$Ru and $^{96}_{40}$Zr + $^{96}_{40}$Zr collisions at $\sqrt{s_{NN}}$ = 7.7 $\sim$ 200 GeV from a multiphase transport model
Cumulants and Correlation Functions of Net-proton, Proton and Antiproton Multiplicity Distributions in Au+Au Collisions at energies available at the BNL Relativistic Heavy Ion Collider
Simulation study of elliptic flow of charged hadrons produced in Au + Au collisions at the Facility for Antiproton and Ion Research
利用超相对论量子分子动力学和多相输运模型产生的入射能量分别为$20$ A GeV和$40$ A GeV的Au+Au事例，研究了用椭圆流参数测量的带电强子方位各向异性的中心性和系统几何依赖性.采用蒙特卡罗-格劳伯模型对碰撞初期的重叠区偏心率进行了估算。使用标准的统计和唯象的方法，在粒子的多重性分布和动力学径向膨胀中存在的各向异性检查。在即将在反质子和离子研究设施进行的压缩重子物质实验的背景下，目前的一组模拟结果不仅为我们提供了一个机会来研究重子密度和中等温度环境下强子物质的预期集体行为，而且与相对论重离子对撞机和大型强子对撞机实验获得的类似结果相比，它们也使我们能够研究强子物质的各向异性如何与它的低重子密度和高温对应物不同或一致。
