Exploring the photoproduction of \(\rho \) and \(\phi \) in hadronic heavy-ion collisions

IF 4.2 2区物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS

The European Physical Journal C Pub Date : 2024-11-18 DOI:10.1140/epjc/s10052-024-13503-0

Kaifeng Shen, Xin Wu, Zebo Tang, Wangmei Zha

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Abstract

Significant enhancements of J/\(\psi \) production have been observed by various experiments at RHIC and LHC for very low transverse momenta in peripheral heavy-ion collisions, which has ignited a surge of investigations into photon-induced processes in hadronic heavy-ion collisions (HHICs). Within this wave of research enthusiasm, the search for more photon induced products in HHICs becomes paramount. In this paper, we perform the calculation of the \(\rho \) and \(\phi \) production resulting from photon-nucleus interactions in HHICs, which are crucial probes for studying the properties of quark-gluon plasma (QGP) in HHICs. Our study reveals that, in comparison to hadronic production, the photon-induced production of \(\rho \) and \(\phi \) does not reach the same level of significance as that observed in J/\(\psi \) production. Nevertheless, it remains substantial, especially in peripheral collisions, holding great promise for experimental verification in the imminent future.

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探索强子重离子碰撞中的（\rho \）和（\phi \）的光生成

RHIC和大型强子对撞机上的各种实验观测到了外围重离子对撞中极低横截面矩的J/(\psi \)产生的显著增强，这点燃了对强子重离子对撞（HHICs）中光子诱导过程的研究热潮。在这股研究热潮中，寻找 HHICs 中更多的光子诱导产物变得至关重要。在本文中，我们计算了HHICs中光子-核相互作用产生的（\rho \）和（\phi \）产物，它们是研究HHICs中夸克-胶子等离子体（QGP）性质的重要探针。我们的研究发现，与强子产率相比，光子诱导的（\rho \）和（\phi \）产率并没有达到在J/（\psi \）产率中观察到的同等重要程度。尽管如此，它仍然很重要，特别是在外围碰撞中，为不久的将来的实验验证带来了巨大的希望。

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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来源期刊

The European Physical Journal C 物理-物理：粒子与场物理

CiteScore

8.10

自引率

15.90%

发文量

1008

审稿时长

2-4 weeks

期刊介绍： Experimental Physics I: Accelerator Based High-Energy Physics Hadron and lepton collider physics Lepton-nucleon scattering High-energy nuclear reactions Standard model precision tests Search for new physics beyond the standard model Heavy flavour physics Neutrino properties Particle detector developments Computational methods and analysis tools Experimental Physics II: Astroparticle Physics Dark matter searches High-energy cosmic rays Double beta decay Long baseline neutrino experiments Neutrino astronomy Axions and other weakly interacting light particles Gravitational waves and observational cosmology Particle detector developments Computational methods and analysis tools Theoretical Physics I: Phenomenology of the Standard Model and Beyond Electroweak interactions Quantum chromo dynamics Heavy quark physics and quark flavour mixing Neutrino physics Phenomenology of astro- and cosmoparticle physics Meson spectroscopy and non-perturbative QCD Low-energy effective field theories Lattice field theory High temperature QCD and heavy ion physics Phenomenology of supersymmetric extensions of the SM Phenomenology of non-supersymmetric extensions of the SM Model building and alternative models of electroweak symmetry breaking Flavour physics beyond the SM Computational algorithms and tools...etc.