改进辐射加碰撞能量损失模型以应用于RHIC与LHC
核理论
2008-11-26 v2
摘要
在微扰计算QGP不透明度并以观测到的dNch/dy~1000施加全局熵约束下,仅靠辐射能量损失不能解释观测到的单非光子电子压低。对于轻与重喷注,碰撞能量损失在量级上与辐射损失相当。考察了显著影响碰撞能量损失的两个方面:涨落的作用,以及引入运行QCD耦合相较先前所用固定alpha_s=0.3的效应。
引用
@article{arxiv.nucl-th/0701088,
title = {Improving a radiative plus collisional energy loss model for application to RHIC and LHC},
author = {Simon Wicks and Miklos Gyulassy},
journal= {arXiv preprint arXiv:nucl-th/0701088},
year = {2008}
}
备注
Prepared for 19th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions: Quark Matter 2006 (QM2006), Shanghai, China, 14-20 Nov 2006