The Mu2e Crystal Calorimeter: An Overview

The Mu2e experiment at Fermilab will search for the standard model-forbidden, charged lepton flavour-violating conversion of a negative muon into an electron in the field of an aluminium nucleus. The distinctive signal signature is represented by a mono-energetic electron with an energy near the muo...

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Bibliographic Details
Published in:Instruments (Basel) 2022-10, Vol.6 (4), p.60
Main Authors: Atanov, Nikolay, Baranov, Vladimir, Borrel, Leo, Bloise, Caterina, Budagov, Julian, Ceravolo, Sergio, Cervelli, Franco, Colao, Francesco, Cordelli, Marco, Corradi, Giovanni, Davydov, Yuri, Falco, Stefano Di, Diociaiuti, Eleonora, Donati, Simone, Echenard, Bertrand, Ferrari, Carlo, Gioiosa, Antonio, Giovannella, Simona, Giusti, Valerio, Glagolev, Vladimir, Grancagnolo, Francesco, Hampai, Dariush, Happacher, Fabio, Hitlin, David, Martini, Matteo, Middleton, Sophie, Miscetti, Stefano, Morescalchi, Luca, Paesani, Daniele, Pasciuto, Daniele, Pedreschi, Elena, Porter, Frank, Raffaelli, Fabrizio, Saputi, Alessandro, Sarra, Ivano, Spinella, Franco, Taffara, Alessandra, Zanetti, Anna Maria, Zhu, Ren Yuan
Format: Article
Language:English
Subjects:
Aluminum
Calorimeters
calorimetry
Conversion
Cooling
Cosmic rays
crystals
Design and construction
Digital electronics
Digitization
Disks
Electromagnetism
Electron beams
Energy resolution
Flavor (particle physics)
Leptons
Magnetic fields
Muons
Particle beams
Radiation
scintillation
Simulation
SiPM
Standard model (particle physics)
Tracking systems
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Description
Summary:The Mu2e experiment at Fermilab will search for the standard model-forbidden, charged lepton flavour-violating conversion of a negative muon into an electron in the field of an aluminium nucleus. The distinctive signal signature is represented by a mono-energetic electron with an energy near the muon’s rest mass. The experiment aims to improve the current single-event sensitivity by four orders of magnitude by means of a high-intensity pulsed muon beam and a high-precision tracking system. The electromagnetic calorimeter complements the tracker by providing high rejection power in muon to electron identification and a seed for track reconstruction while working in vacuum in presence of a 1 T axial magnetic field and in a harsh radiation environment. For 100 MeV electrons, the calorimeter should achieve: (a) a time resolution better than 0.5 ns, (b) an energy resolution
ISSN:2410-390X
2410-390X
DOI:10.3390/instruments6040060