Light vector mesons photoproduction and nuclear shadowing

IF 1.1 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Astronomische Nachrichten Pub Date : 2024-01-09 DOI:10.1002/asna.20230178

Haimon Trebien

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Abstract

In this work, we study the photoproduction of $ρ$ mesons considering the proton and the nucleus as the target. Utilizing the dipole picture and the wave functions obtained via AdS/QCD, we were able to describe the HERA $γ p$ data and extend the formalism to the nuclear case considering the Glauber–Gribov model. The preliminary results obtained in the nuclear regime are compared to the recent LHC $PbPb \to ρPbPb$ data and suggest the presence of a nuclear effect called shadowing.

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光矢量介子光生成与核阴影

在这项工作中，我们研究了以质子和原子核为目标的ρ$$ \rho $$ 介子的光生成。利用偶极子图象和通过 AdS/QCD 获得的波函数，我们能够描述 HERA γp$$ \gamma p$$ 数据，并将形式主义扩展到考虑格劳伯-格里波夫模型的核情况。我们将在核机制下获得的初步结果与最近的大型强子对撞机 PbPb→ρPbPb$$ PbPb\to \rho PbPb$$ 数据进行了比较，结果表明存在一种叫做 "阴影 "的核效应。

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来源期刊

Astronomische Nachrichten 地学天文-天文与天体物理

CiteScore

1.80

自引率

11.10%

发文量

审稿时长

4-8 weeks

期刊介绍： Astronomische Nachrichten, founded in 1821 by H. C. Schumacher, is the oldest astronomical journal worldwide still being published. Famous astronomical discoveries and important papers on astronomy and astrophysics published in more than 300 volumes of the journal give an outstanding representation of the progress of astronomical research over the last 180 years. Today, Astronomical Notes/ Astronomische Nachrichten publishes articles in the field of observational and theoretical astrophysics and related topics in solar-system and solar physics. Additional, papers on astronomical instrumentation ground-based and space-based as well as papers about numerical astrophysical techniques and supercomputer modelling are covered. Papers can be completed by short video sequences in the electronic version. Astronomical Notes/ Astronomische Nachrichten also publishes special issues of meeting proceedings.

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