The Mu2e experiment at Fermilab will search for the charged lepton flavor violating process of neutrino-less μ → e coherent conversion in the field of an aluminum nucleus. Mu2e will reach a single event sensitivity of about 2.5· 10-17 that corresponds to four orders of magnitude improvements with respect to the current best limit. The detector system consists of a straw tube tracker and a crystal calorimeter made of undoped CsI coupled with Silicon Photomultipliers. The calorimeter was designed to be operable in a harsh environment where about 10 krad/year will be delivered in the hottest region and work in presence of 1 T magnetic field. The calorimeter role is to perform μ/e separation to suppress cosmic muons mimiking the signal, while providing a high level trigger and a seeding the track search in the tracker. In this paper we present the calorimeter design and the latest R&D results.
CITATION STYLE
Pezzullo, G., Atanov, N., Baranov, V., Budagov, J., Cervelli, F., Colao, F., … Zhu, R. Y. (2018). Design, status and perspective of the Mu2E crystal calorimeter. In Springer Proceedings in Physics (Vol. 213, pp. 66–69). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-981-13-1316-5_12
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