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Searching for muon to electron conversion: The Mu2e experiment at Fermilab

Richard Bonventre on behalf of the Mu2e Collaboration

SciPost Phys. Proc. 1, 038 (2019) · published 21 February 2019

Proceedings event

The 15th International Workshop on Tau Lepton Physics


The Mu2e experiment will measure the charged-lepton flavor violating (CLFV) neutrino-less conversion of a negative muon into an electron in the field of a nucleus. Mu2e will improve the previous measurement by four orders of magnitude, reaching a 90% C.L. limit of $8\times10^{-17}$ on the conversion rate. The experiment will reach mass scales of nearly $10^4$ TeV, far beyond the direct reach of colliders. The experiment is sensitive to a wide range of new physics, complementing and extending other CLFV searches. Mu2e is under design and construction at the Muon Campus of Fermilab; we expect to start taking physics data in 2022 with 3 years of running to achieve our target sensitivity.

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