SMuK 2023 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 43: Fundamental Symmetries II
HK 43.1: Gruppenbericht
Mittwoch, 22. März 2023, 15:45–16:15, SCH/A252
The search for Charged Lepton Flavour Violation with the Mu2e experiment — •Anna Ferrari1, Stefano Di Falco2, Valerio Giusti3, Stefan E. Müller1, Oliver Knodel1, Vitaly Pronskikh4, and Reuven Rachamin1 for the Mu2e collaboration — 1Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany — 2INFN Pisa, Pisa, Italy — 3University of Pisa, Pisa, Italy — 4Fermi National Accelerator Laboratory, Batavia, IL, USA
The Mu2e experiment, currently under construction at Fermilab (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 sensitivity four orders of magnitude better than previous experiments. To achieve such a goal, a reliable estimate of the relevant particle yields and a rigorous control of all backgrounds are mandatory, together with an accurate normalization of signal events.
An extensive campaign of Monte Carlo simulations has been therefore performed to investigate key yields and beam and cosmic rays-related backgrounds. In addition, at the Helmholtz-Zentrum Dresden-Rossendorf the pulsed Bremsstrahlung photon beam at the ELBE facility has been used to study the performance of the detector system that will monitor the rate of the stopped muons in the aluminum target.
The design and present status of the Mu2e experiment will be presented, together with the main results of the background and sensitivity studies, and a summary of the results of the ELBE campaign.