探测超外围重离子碰撞中洛伦兹违反对e+e−产生的影响

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2025-03-12 DOI:10.1103/physrevd.111.055011

Laura Duarte, Victor P. Gonçalves, Daniel E. Martins

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引用次数: 0

摘要

在考虑矢量耦合和轴向耦合的情况下，研究了洛伦兹违反（LV）项对大型强子对撞机（LHC）超外围重离子碰撞中独占e+e−产生的影响。给出了微分截面和总截面的计算结果，并对纯类时耦合的灵敏度进行了估计。我们的结果表明，该过程可以改善当前LV项的上界。2025年由美国物理学会出版

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Probing Lorentz violating effects on the exclusive e+e− production in ultraperipheral heavy-ion collisions

The impact of Lorentz violating (LV) terms on the exclusive e+e− production in ultraperipheral heavy-ion collisions at the Large Hadron Collider (LHC) is investigated, considering vectorial and axial couplings. Results for the differential and total cross sections are presented, and the sensitivity to a purely timelike coupling is estimated. Our results indicate that this process can improve the current upper bounds on the LV terms.

Published by the American Physical Society

2025

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.