Exploring the photoproduction of and in hadronic heavy-ion collisions

Kaifeng Shen; Xin Wu; Zebo Tang; Wangmei Zha

doi:10.1140/epjc/s10052-024-13503-0

2024 Impact factor 4.8

Particles and Fields

Open Access

Eur. Phys. J. C (2024) 84: 1167
https://doi.org/10.1140/epjc/s10052-024-13503-0

Regular Article

Exploring the photoproduction of $ρ$ $\rho$ and $ϕ$ $\phi$ in hadronic heavy-ion collisions

Kaifeng Shen, Xin Wu, Zebo Tang and Wangmei Zha^a

State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, 230026, Hefei, China

^a first@ustc.edu.cn

Received: 16 January 2024
Accepted: 15 October 2024
Published online: 18 November 2024

Abstract

Significant enhancements of J/ $ψ$ $\psi$ 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 $ρ$ $\rho$ and $ϕ$ $\phi$ 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 $ρ$ $\rho$ and $ϕ$ $\phi$ does not reach the same level of significance as that observed in J/ $ψ$ $\psi$ production. Nevertheless, it remains substantial, especially in peripheral collisions, holding great promise for experimental verification in the imminent future.

© The Author(s) 2024

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