Speaker
Description
Charged lepton flavor violation is a popular target in searches for new physics. We demonstrate how the search for violations of an accidental symmetry of the Standard Model can also be connected to the search for violations of more fundamental symmetries. Working in the Standard Model Extension, a Lorentz- and CPT-violating effective field theory, we investigate the conversion of a muon to an electron in an atomic environment. A subset of the contributing operators are uniquely constrained by this channel, and their bounds (coming from the SINDRUM II experiment) are the first such reported. We further provide sensitivity estimates for the upcoming searches by the Mu2e and COMET experiments. We also discuss the experimental signature which would indicate Lorentz violation and a method which could provide greater sensitivity in future analyses and help to distinguish between the contributions of different operators.
