Violation of the Landau-Yang theorem from infrared Lorentz symmetry breaking
Resumen: Lorentz symmetry forbids decays of massive spin-1 particle like the Z0 into two massless photons, a result known as the Landau-Yang theorem. But it is known that infrared effects can break Lorentz invariance. Employing the construction of Mund et al. [1] which incorporated this Lorentz violation, we propose an interaction leading to the decay Z0→ 2γ and study the dependence of the decay on the parameter of this Lorentz violation.
Idioma: Inglés
DOI: 10.1007/JHEP10(2023)028
Año: 2023
Publicado en: Journal of High Energy Physics 2023, 10 (2023), [9 pp.]
ISSN: 1126-6708

Factor impacto JCR: 5.0 (2023)
Categ. JCR: PHYSICS, PARTICLES & FIELDS rank: 5 / 30 = 0.167 (2023) - Q1 - T1
Factor impacto CITESCORE: 10.0 - Nuclear and High Energy Physics (Q1)

Factor impacto SCIMAGO: 0.832 - Nuclear and High Energy Physics (Q2)

Financiación: info:eu-repo/grantAgreement/ES/DGA-FSE/E21-17R
Financiación: info:eu-repo/grantAgreement/ES/MICINN/PGC2022-126078NB-C21
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Teórica (Dpto. Física Teórica)

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