重访QCD输运系数的贝叶斯约束
核理论
2021-02-03 v1 高能物理 - 唯象学
摘要
基于相对论粘性流体力学的多阶段模型已成功描述相对论核碰撞中的强子测量。这些测量对QCD的剪切与体粘度敏感，并为约束这些输运系数提供了独特机会。贝叶斯分析可通过系统性的模型-数据比较来获得对QCD粘度的系统性约束。在本稿件中，我们讨论重离子碰撞数据贝叶斯分析的最新进展。我们强调在与测量比较前，闭合检验对验证贝叶斯分析的关键作用。我们讨论用作多阶段理论模型代理的模拟器的作用。我们以 JETSCAPE 合作组正在进行的软强子测量的贝叶斯分析作为讨论背景。
引用
@article{arxiv.2002.05337,
title = {Revisiting Bayesian constraints on the transport coefficients of QCD},
author = {J. -F. Paquet and A. Angerami and S. A. Bass and S. Cao and Y. Chen and J. Coleman and L. Cunqueiro and T. Dai and L. Du and R. Ehlers and H. Elfner and D. Everett and W. Fan and R. Fries and C. Gale and Y. He and M. Heffernan and U. Heinz and B. V. Jacak and P. M. Jacobs and S. Jeon and K. Kauder and W. Ke and E. Khalaj and M. Kordell and A. Kumar and T. Luo and M. Luzum and A. Majumder and M. McNelis and J. Mulligan and C. Nattrass and D. Oliinychenko and D. Pablos and L. G. Pang and C. Park and J. H. Putschke and G. Roland and B. Schenke and L. Schwiebert and C. Shen and A. Silva and C. Sirimanna and R. A. Soltz and Y. Tachibana and G. Vujanovic and X. -N. Wang and R. L. Wolpert and Y. Xu and Z. Yang},
journal= {arXiv preprint arXiv:2002.05337},
year = {2021}
}
备注
4 pages, 1 figure, contribution to the Quark Matter 2019 proceedings