Charged Lepton Flavour Violation: An Experimental and Theoretical Introduction

By L. Calibbi, Giovanni Signorelli. 2017

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Charged lepton flavour violating transitions would be a clear signal of new physics beyond the Standard Model. Their search has been carried out in a variety of channels, the most sensitive being those involving a muon: however no positive evidence has been found so far. The MEG experiment has recently set the best limit on such processes by investigating the existence of the $\mu \to e\gamma$ decay. In the next decade several experiments are planned to pursue the search for $\mu \to e\gamma$, $\mu \to eee$, $\mu \to e$ conversion in nuclei, as well as on processes involving the $\tau$, to an unprecedented level of precision. In this review we want to give a pedagogical introduction on the theoretical motivations for such searches as well as on the experimental aspects upon which they are based.

View Paper: https://www.semanticscholar.org/paper/770cca479138edec57a72611b0121fe3ff000fb5

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Citations in the corpus

• Flavor structures of charged fermions and massive neutrinos (2019, background): “(231) is about forty orders of magnitude smaller than the sensitivity of current experiments, any observation of charged-lepton flavor violation will be an unambiguous signal of new physics beyond the SM [577, 578, 579, 580].”