Köln 2025 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 47: Fundamental Symmetries I

HK 47.2: Group Report

Thursday, March 13, 2025, 15:00–15:30, SR 0.01 Erw. Physik

Search for Charged Lepton Flavor Violation with the Mu2e experiment at Fermilab — •Anna Ferrari, Stefan E. Mueller, Oliver Knodel, and Reuven Rachamin for the Mu2e collaboration — Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany

The Mu2e experiment, which is currently entering the final construction phase at the Fermi National Accelerator Laboratory in USA, will search for the charged-lepton flavor violating neutrino-less conversion of negative muons into electrons in the field of an aluminum nucleus. A conversion signal would require physics beyond the Standard Model, and the aim of Mu2e is to reach a single-event sensitivity four order of magnitude better than previous experiments. This can be achieved through an efficient production and transport of the muon beam, a rigorous control of all backgrounds that could mimic the monoenergetic conversion electrons, and an accurate normalization of the signal events. The design and present status of the Mu2e experiment will be presented, while the muon beamline and the detector sub-systems are going towards the construction completion.

Keywords: Mu2e; Muon-to-electron conversion; Charged Lepton Flavor Violation