利用数据驱动模型平均对 QCD 物质输运性质的现象学约束
高能物理 - 唯象学
2021-06-23 v1 核实验
核理论
摘要
结合相对论重离子对撞机与大型强子对撞机的数据，我们约束了夸克-胶子等离子体 (QGP) 在 MeV 温度下的剪切粘度与体粘度。我们使用贝叶斯推断将实验与理论不确定性转化为粘度的概率约束。通过贝叶斯模型平均，我们考虑了从 QGP 的流体描述到最终演化阶段的强子输运这一过渡中不可约的模型模糊性，提供了迄今为止关于 QGP 粘度最可靠的现象学约束。
引用
@article{arxiv.2010.03928,
title = {Phenomenological constraints on the transport properties of QCD matter with data-driven model averaging},
author = {D. Everett and W. Ke and J. -F. Paquet and G. Vujanovic and S. A. Bass and L. Du and C. Gale and M. Heffernan and U. Heinz and D. Liyanage and M. Luzum and A. Majumder and M. McNelis and C. Shen and Y. Xu and A. Angerami and S. Cao and Y. Chen and J. Coleman and L. Cunqueiro and T. Dai and R. Ehlers and H. Elfner and W. Fan and R. J. Fries and F. Garza and Y. He and B. V. Jacak and P. M. Jacobs and S. Jeon and B. Kim and M. Kordell and A. Kumar and S. Mak and J. Mulligan and C. Nattrass and D. Oliinychenko and C. Park and J. H. Putschke and G. Roland and B. Schenke and L. Schwiebert and A. Silva and C. Sirimanna and R. A. Soltz and Y. Tachibana and X. -N. Wang and R. L. Wolpert},
journal= {arXiv preprint arXiv:2010.03928},
year = {2021}
}
备注
8 pages, 3 figures