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中国物理学会期刊

相对论重离子碰撞中的喷注淬火效应

CSTR: 32037.14.aps.72.20230993

Jet quenching effect in relativistic heavy-ion collisions

CSTR: 32037.14.aps.72.20230993
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  • 相对论重离子碰撞中产生了高温高密解禁闭的夸克胶子等离子体(QGP), 研究QGP的性质是高能核物理目前最重要的物理目标之一. 其中, 应用喷注淬火作为硬探针研究QGP的性质是一个非常重要的手段. 喷注淬火指的是相对论重离子碰撞中产生的高能部分子穿过QGP时, 通过强相互作用导致的能量损失效应. 本文主要介绍喷注淬火效应的最新研究进展, 具体包含喷注淬火效应对强子、喷注和喷注子结构的介质影响, 以及目前理论上面临的问题和困难.

     

    One of the main goals of high-energy nuclear physics is to explore the fundamental properties of quark-gluon plasma (QGP), a new state of quantum chromodynamics (QCD) matter created in relativistic heavy-ion collisions, in which the energetic quarks and gluons, known as fast partons, created prior to the formation of the QGP, traverse the hot-dense medium and experience strong interactions with the constituents of the medium, and eventually lead to the attenuation of jet energy. Such a novel phenomenon, referred to as jet quenching, plays an essential role in probing the transport properties of the QGP. The objective of this paper is to review some of the latest experimental and theoretical progress of jet quenching, such as medium modification on the large p_\rm T hadrons, full jets, and jet substructures in heavy-ion collisions, as well as the challenges in the forefront theoretical investigations.

     

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