强相互作用系统的双轻子辐射

IF 14.5 2区物理与天体物理 Q1 PHYSICS, NUCLEAR

Progress in Particle and Nuclear Physics Pub Date : 2021-09-01 DOI:10.1016/j.ppnp.2021.103869

P. Salabura , J. Stroth

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引用次数: 14

摘要

我们回顾了目前对QCD物质的类时虚光子发射的认识。讨论了双轻子发射的现象学，并介绍了基本的理论概念。实验结果分为基本过程中轻子对的产生、冷核物质的产生和重离子碰撞的发射。本文着重介绍了双轻子发射作为研究QCD物质奇异相的工具的作用。概述了用双轻子探索QCD相图的开放性问题和途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dilepton radiation from strongly interacting systems

We review the current understanding of time-like virtual photon emission from QCD matter. The phenomenology of dilepton emission is discussed and basic theoretical concepts are introduced. The experimental findings are presented, grouped into production of lepton pairs in elementary processes, production off cold nuclear matter and emission from heavy-ion collisions. The review emphasizes the role of dilepton emission as tool for studying exotic phases of QCD matter. Open questions and a route to probe the QCD phase diagram with dileptons are outlined.

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来源期刊

Progress in Particle and Nuclear Physics 物理-物理：核物理

CiteScore

24.50

自引率

3.10%

发文量

审稿时长

72 days

期刊介绍： Taking the format of four issues per year, the journal Progress in Particle and Nuclear Physics aims to discuss new developments in the field at a level suitable for the general nuclear and particle physicist and, in greater technical depth, to explore the most important advances in these areas. Most of the articles will be in one of the fields of nuclear physics, hadron physics, heavy ion physics, particle physics, as well as astrophysics and cosmology. A particular effort is made to treat topics of an interface type for which both particle and nuclear physics are important. Related topics such as detector physics, accelerator physics or the application of nuclear physics in the medical and archaeological fields will also be treated from time to time.