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Article

Testing the Double-Logarithmic Asymptotic Gluon Density in Ultraperipheral Heavy-Ion Collisions at the Large Hadron Collider

by
Daniel Almeida Fagundes
1 and
Magno V. T. Machado
2,*
1
Department of Exact Sciences and Education, Federal University of Santa Catarina (UFSC), Blumenau Campus, Blumenau 89065-300, SC, Brazil
2
High Energy Physics Phenomenology Group, Institute of Physics, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
*
Author to whom correspondence should be addressed.
Physics 2025, 7(3), 24; https://doi.org/10.3390/physics7030024
Submission received: 1 April 2025 / Revised: 22 May 2025 / Accepted: 25 May 2025 / Published: 25 June 2025
(This article belongs to the Section High Energy Physics)
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Abstract

In this paper, we analyze the application of an analytical gluon distribution based on double-asymptotic scaling to the photoproduction of vector mesons in coherent pp, pA, and AA collisions at LHC energies, using the color dipole formalism. Predictions for the rapidity distribution are presented for ρ0, J/ψ, ψ(2S), and Υ(1S) mesons photoproduction. An analysis of the uncertainties associated with different implementations of the dipole–proton amplitude is performed. The vector meson photoproduction accompanied by electromagnetic dissociation is also analyzed.
Keywords: exclusive vector meson photoproduction; relativistic ultraperipheral collision; nuclear electromagnetic dissociation; QCD color dipole formalism exclusive vector meson photoproduction; relativistic ultraperipheral collision; nuclear electromagnetic dissociation; QCD color dipole formalism

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MDPI and ACS Style

Fagundes, D.A.; Machado, M.V.T. Testing the Double-Logarithmic Asymptotic Gluon Density in Ultraperipheral Heavy-Ion Collisions at the Large Hadron Collider. Physics 2025, 7, 24. https://doi.org/10.3390/physics7030024

AMA Style

Fagundes DA, Machado MVT. Testing the Double-Logarithmic Asymptotic Gluon Density in Ultraperipheral Heavy-Ion Collisions at the Large Hadron Collider. Physics. 2025; 7(3):24. https://doi.org/10.3390/physics7030024

Chicago/Turabian Style

Fagundes, Daniel Almeida, and Magno V. T. Machado. 2025. "Testing the Double-Logarithmic Asymptotic Gluon Density in Ultraperipheral Heavy-Ion Collisions at the Large Hadron Collider" Physics 7, no. 3: 24. https://doi.org/10.3390/physics7030024

APA Style

Fagundes, D. A., & Machado, M. V. T. (2025). Testing the Double-Logarithmic Asymptotic Gluon Density in Ultraperipheral Heavy-Ion Collisions at the Large Hadron Collider. Physics, 7(3), 24. https://doi.org/10.3390/physics7030024

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