Coherent photoproduction of light vector mesons off nuclear targets in the dipole picture

IF 1.7 4区物理与天体物理 Q2 PHYSICS, NUCLEAR

Nuclear Physics A Pub Date : 2025-01-13 DOI:10.1016/j.nuclphysa.2025.123018

Cheryl Henkels , Emmanuel G. de Oliveira , Roman Pasechnik , Haimon Trebien

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引用次数: 0

Abstract

We study the coherent photoproduction of light vector mesons in Pb-Pb collisions in the framework of color dipole approach. We employ the Glauber–Gribov formalism supplemented by an effective suppression factor

R_{G}

accounting for the gluon shadowing correction. We adjust the latter to reproduce the deep inelastic structure function

F_{2}

(E665) and ρ meson photoproduction (ALICE) data. We achieve a good description of the available data points with

R_{G} = 0.85

at scale

M_{ρ}^{2} / 4 = 0.15

GeV². In addition, employing this suppression factor, we present predictions for coherent

ρ (2 S)

ω (1 S, 2 S)

and

ϕ (1 S, 2 S)

photoproduction observables using the holographic vector meson wave functions.

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来源期刊

Nuclear Physics A 物理-物理：核物理

CiteScore

3.60

自引率

7.10%

发文量

113

审稿时长

61 days

期刊介绍： Nuclear Physics A focuses on the domain of nuclear and hadronic physics and includes the following subsections: Nuclear Structure and Dynamics; Intermediate and High Energy Heavy Ion Physics; Hadronic Physics; Electromagnetic and Weak Interactions; Nuclear Astrophysics. The emphasis is on original research papers. A number of carefully selected and reviewed conference proceedings are published as an integral part of the journal.