研究晶格上的射流淬火
Investigating jet quenching on the lattice
摘要:
由于喷注猝灭现象的动态性、实时性,用格点量子色动力学模拟研究喷注猝灭并不简单。然而,在这方面的贡献,我们展示了如何可以提取信息的动量加宽的硬部分子移动的夸克-胶子等离子体,从晶格计算。在讨论的基本思想(最初提出的Caron Huot),我们提出了一个最近的研究,在其中我们估计的射流淬火参数非微扰,从一组特定的规范不变的运营商的晶格评价。
英文摘要:
Due to the dynamical, real-time, nature of the phenomenon, the study of jet quenching via lattice QCD simulations is not straightforward. In this contribution, however, we show how one can extract information about the momentum broadening of a hard parton moving in the quark-gluon plasma, from lattice calculations. After discussing the basic idea (originally proposed by Caron-Huot), we present a recent study, in which we estimated the jet quenching parameter non-perturbatively, from the lattice evaluation of a particular set of gauge-invariant operators.
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