An Operator Analysis of Radiative Muon Decay

Arvind Rajaraman, Chao-Hsiang Sheu

New physics beyond the Standard Model (SM) may induce new four-fermion interactions. We investigate the sensitivity of radiative muon decay, ${\mu }^{-}\to e^{-}{\bar{\nu }}_e{\nu }_{\mu }\gamma$, to such four-f…