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首页> 外文期刊>Progress in Particle and Nuclear Physics >Diffusion in relativistic systems
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Diffusion in relativistic systems

机译:相对论系统中的扩散

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摘要

A Relativistic Diffusion Model (RDM) for high-energy heavy-ion collisions is outlined and used to investigate stopping and particle production. With three sources for particle production, the energy- and centrality dependence of rapidity distributions of net protons, and pseudorapidity distributions of charged hadrons in heavy systems at RHIC energies are precisely reproduced in the analytical model. The gradual approach to local thermal equilibrium is discussed for symmetric and asymmetric (d+Au) systems. The transport coefficients are extrapolated from Au+Au at RHIC energies (sNN=19.6-200 GeV) to Pb+Pb at LHC energies of sNN=5.52 TeV. Rapidity distributions for net protons, and pseudorapidity spectra for the produced charged particles are obtained and discussed in a three-sources model at LHC energies.
机译:概述了高能重离子碰撞的相对论扩散模型(RDM),并用于研究停止和粒子产生。利用三个粒子产生源,可以在分析模型中精确地再现净质子的快速分布的能量和中心度依赖性以及重系统中带电的强子的假快速分布。对于对称和非对称(d + Au)系统,讨论了局部热平衡的渐进方法。传输系数从RHIC能量(sNN = 19.6-200 GeV)的Au + Au外推到sNN = 5.52 TeV的LHC能量下的Pb + Pb。在LHC能量的三源模型中,获得并讨论了净质子的快速分布以及所产生的带电粒子的伪快速光谱。

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