Work

Linear correlation of the Gluon EMC effect and SRC in nuclei

Year: 2025

Type: conference-paper

Abstract: Employing an effective field theory framework, we analyze gluon parton distribution functions (PDFs) in nuclear environments and establish a linear relation between the slope of the reduced cross section ratio—quantifying the gluon EMC effect—and the $J/\psi$ production cross section at a photon energy of $E_{\gamma}=$7 GeV in the nucleus rest frame, a regime dominated by short-range correlation (SRC). Numerical calculations using phenomenological nuclear PDFs (nPDFs) corroborate this relation. Validation of this linearity through forthcoming electron-ion collider (EIC) experiments will provide critical insights into the nuclear modifications of gluon PDF and advance our understanding of the subnuclear structure of nuclei.

DOI: 10.22323/1.483.0065

Authors: Shuai Zhao, Wei Wang, Ji Xu, Xing-Hua Yang

Institutions: Tianjin University, Shanghai Jiao Tong University, Shanghai Key Laboratory for Particle Physics and Cosmology, Zhengzhou University, Lanzhou University, Shandong University of Technology

Language: English

Topic: Quantum Chromodynamics and Particle Interactions

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Funder: National Natural Science Foundation of China

Awards: G2585964420, G5670925003, G5687198492, G7504224031

OpenAlex ID: W4415516721

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