Charged Lepton Flavour Violating Decays as Signatures of $$A_4$$ Symmetry

Jai More,S Uma Sankar,Rambabu Korrapati,Ushak Rahaman

doi:10.1007/978-981-19-2354-8_24

Charged Lepton Flavour Violating Decays as Signatures of $$A_4$$ Symmetry

Jai More, S Uma Sankar + Show 2 more

https://doi.org/10.1007/978-981-19-2354-8_24

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Publication Date: Jan 1, 2022

Affiliation: Indian Institute of Technology Bombay, University of Johannesburg

#Charged Lepton Flavour Violating #Lepton Flavour Violating Decays + Show 8 more

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Abstract

AbstractWe study the charged lepton flavour violation in a popular neutrino mass model with $A_4$ discrete symmetry. In this model, the $A_4 $ symmetry of the additional multiple Higgs scalars leads to lepton flavour violating decays. We consider the viable decays of neutral mesons, the top quark and the $\tau $ lepton into charged leptons of different flavours at tree level. We discuss the peculiar signatures in these decays, appearing due to the $A_4$ symmetry, and predict the rates for the most favourable charged lepton flavour violating modes.Keywordsneutrino physicsbeyond standard model

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