English

Lorentz violation in nucleon electromagnetic moments

High Energy Physics - Phenomenology 2022-08-29 v2

Abstract

Yukawa couplings in the Lorentz- and CPTCPT-violating Standard Model Extension (SME) induce quantum contributions to the electromagnetic moments of quarks, which are calculated in the present paper and then used to define contributions to electromagnetic moments of nucleons. High-sensitivity measurements of the proton and neutron electromagnetic moments then yield constrains on SME coefficients, reaching bounds as restrictive as 101210^{-12}. This approach notably grants access to SME effects from the second and third quark families.

Keywords

Cite

@article{arxiv.2107.12444,
  title  = {Lorentz violation in nucleon electromagnetic moments},
  author = {Javier Montaño-Domínguez and Héctor Novales-Sánchez and Mónica Salinas and J. Jesús Toscano},
  journal= {arXiv preprint arXiv:2107.12444},
  year   = {2022}
}

Comments

Published by PRD (april 2022), 9 pages, 3 figures, 3 tables

R2 v1 2026-06-24T04:32:31.764Z