Transverse energy-energy correlators in the color-glass condensate at the electron-ion collider

Kang, Zhong-Bo; Penttala, Jani; Zhao, Fanyi; Zhou, Yiyu

doi:10.1103/PhysRevD.109.094012

Title: Transverse energy-energy correlators in the color-glass condensate at the electron-ion collider

Journal Article · 05 May 2024 · Physical Review. D.

DOI: https://doi.org/10.1103/PhysRevD.109.094012 · OSTI ID:2345959

;

; Zhao, Fanyi;

We investigate the transverse energy-energy correlators (TEEC) in the small- $x$ regime at the upcoming Electron-Ion Collider (EIC). Focusing on the back-to-back production of electron-hadron pairs in both $e p$ and $e A$ collisions, we establish a factorization formula given in terms of the hard function, quark distributions, soft functions, and TEEC jet functions, where the gluon saturation effect is incorporated. Numerical results for TEEC in both $e p$ and $e A$ collisions are presented, together with the nuclear modification factor $R_{A}$ . Our analysis reveals that TEEC observables in deep inelastic scattering provide a valuable approach for probing gluon saturation phenomena. Our findings underscore the significance of measuring TEEC at the EIC, emphasizing its efficacy in advancing our understanding of gluon saturation and nuclear modifications in high-energy collisions. Published by the American Physical Society 2024

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC); USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0011090; SC0012704

OSTI ID:: 2345959

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 9 Vol. 109; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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