Speaker
Cecilia Voena
(Universita e INFN, Roma I (IT))
Description
Charged-lepton-flavor-violating processes are strongly suppressed in the Standard Model, therefore their observation would be a clear indication of new Physics.
The MEG experiment at the Paul Scherrer Institute searches for the lepton-flavor-violating decay mu+->e+gamma.The combined result of the data taken in 2009 and 2010 is presented. The upper limit on the branching ratio obtained (BR(mu+->e+gamma)<2.4*10^-12) improves by a factor five the previous best limit and tighten constraints on new Physics models. Future prospects are also discussed.
Another lepton-flavor-violating decay of the muon is mu+->e+e-e+.
The Mu3e collaboration recently proposed a new experiment for searching this decay aiming at sensitivities in the range 10^-15-10^-16.
Primary author
Cecilia Voena
(Universita e INFN, Roma I (IT))