A1 Journal article (refereed)
Stronger C-odd color charge correlations in the proton at higher energy (2023)

Dumitru, A., Mäntysaari, H., & Paatelainen, R. (2023). Stronger C-odd color charge correlations in the proton at higher energy. Physical Review D, 107(1), Article L011501. https://doi.org/10.1103/PhysRevD.107.L011501

JYU authors or editors

Publication details

All authors or editors: Dumitru, Adrian; Mäntysaari, Heikki; Paatelainen, Risto

Journal or series: Physical Review D

ISSN: 2470-0010

eISSN: 2470-0029

Publication year: 2023

Publication date: 09/01/2023

Volume: 107

Issue number: 1

Article number: L011501

Publisher: American Physical Society (APS)

Publication country: United States

Publication language: English

DOI: https://doi.org/10.1103/PhysRevD.107.L011501

Publication open access: Openly available

Publication channel open access: Partially open access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/85671

Publication is parallel published: https://helda.helsinki.fi/handle/10138/354362

Web address of parallel published publication (pre-print): https://arxiv.org/abs/2210.05390

Abstract

The nonforward eikonal scattering matrix for dipole-proton scattering at high-energy obtains an imaginary part due to a C-odd three gluon exchange. We present numerical estimates for the perturbative odderon amplitude as a function of dipole size, impact parameter, their relative azimuthal angle, and light-cone momentum cutoff x. The proton is approximated as ψqqq|qqq⟩+ψqqqg|qqqg⟩, where ψqqq is a nonperturbative three-quark model wave function while the gluon emission is computed in light-cone perturbation theory. We find that the odderon amplitude increases as x decreases from 0.1 to 0.01. At yet lower x, the reversal of this energy dependence would reflect the onset of universal small-x renormalization group evolution.

Keywords: particle physics; protons; quarks; quantum chromodynamics

Contributing organizations

Related projects

Ministry reporting: Yes

VIRTA submission year: 2023

JUFO rating: 2