# Physics of fundamental Symmetries and Interactions - PSI2016

Oct 16 – 20, 2016
Europe/Zurich timezone

## NLO prediction for μ → eννγ and μ → eeeνν decays in the SM

Oct 19, 2016, 12:40 PM
20m
Oral

### Speaker

Dr Matteo Fael (Bern Universität)

### Description

We present the differential decay rates and the branching ratios of the μ → eννγ and μ → eeeνν decays in the SM at next-to-leading order. These two rare decay modes of the muon are among the source of background in the experiments searching for charge lepton flavour violating (CLFV) decays μ → eγ and μ → eee. Indeed, the SM decays are indistinguishable from the CLFV ones except for the energy carried away by neutrinos. I will discuss the importance of radiative corrections for CLFV searches.

### Primary author

Dr Matteo Fael (Bern Universität)

### Co-authors

Prof. Christoph Greub (Universität Bern) Dr Massimo Passera (INFN - Padova (Italy))

 Slides