Indirect upper limits on ℓi →ℓjγγ from ℓi →ℓjγ
Entity
UAM. Departamento de Física TeóricaPublisher
American Physical SocietyDate
2023-01-30Citation
10.1103/PhysRevD.107.015027
Physical Review D 107.1 (2023): 015027
ISSN
2470-0010 (print); 2470-0029 (online)DOI
10.1103/PhysRevD.107.015027Project
info:eu-repo/grantAgreement/EC/H2020/101066105/EU//PheNUmenalEditor's Version
https://doi.org/10.1103/PhysRevD.107.015027Subjects
Leptons; Deterioration; Flavors; FísicaRights
© 2023 authors. Published by the American Physical SocietyAbstract
We perform an effective field theory analysis to correlate the charged lepton flavor violating processes li → ljγγ and li → ljγ. Using the current upper bounds on the rate for li → ljγ, we derive modelindependent upper limits on the rates for li → ljγγ. Our indirect limits are about three orders of magnitude stronger than the direct bounds from current searches for μ → eγγ, and four orders of magnitude better than current bounds for τ → lγγ. We also stress the relevance of Belle II or a Super Tau Charm Facility to discover the rare decay τ → lγγ
Files in this item
Google Scholar:Fortuna, Fabiola
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Ibarra, Alejandro
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Marcano, Xabier
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Marín, Marcela
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Roig, Pablo
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