QCD 物质中重味输运系数的提取
核理论
2018-10-17 v2 高能物理 - 唯象学
核实验
摘要
我们报告了在 EMMI Rapid Reaction Task Force 框架下开展的、关于强相互作用物质中开放重味扩散与能量损失的建模组件及其在高能重离子碰撞重味可观测量中应用的广泛系统性研究。我们审视了包含冷核物质效应的初始能谱、多种多样的时空演化模型、重味输运系数以及强子化机制，以努力量化核碰撞中开放重味粒子的核修正因子与椭圆流的相应计算不确定性。我们制定了误差评估流程与公共模型组件准则，以改进作为 QCD 物质随温度变化的的长波特征之（低动量）重味扩散系数，以及高动量重味粒子能量损失系数的定量估计。
引用
@article{arxiv.1803.03824,
title = {Extraction of Heavy-Flavor Transport Coefficients in QCD Matter},
author = {R. Rapp and P. B. Gossiaux and A. Andronic and R. Averbeck and S. Masciocchi and A. Beraudo and E. Bratkovskaya and P. Braun-Munzinger and S. Cao and A. Dainese and S. K. Das and M. Djordjevic and V. Greco and M. He and H. van Hees and G. Inghirami and O. Kaczmarek and Y. -J. Lee and J. Liao and S. Y. F. Liu and G. Moore and M. Nahrgang and J. Pawlowski and P. Petreczky and S. Plumari and F. Prino and S. Shi and T. Song and J. Stachel and I. Vitev and X. -N. Wang},
journal= {arXiv preprint arXiv:1803.03824},
year = {2018}
}
备注
78 pages, 29 figures, report on an EMMI Rapid Reaction Task Force; v2: small revision, accepted for publication in Nucl. Phys. A