Progress status for the Mu2e calorimeter system
- Univ. of Pisa, Pisa (Italy); INFN sezione di Pisa, Pisa (Italy)
- Joint Institute for Nuclear Research, Dubna (Russia)
- INFN sezione di Pisa, Pisa (Italy)
- California Inst. of Technology (CalTech), Pasadena, CA (United States)
- INFN Lab. Nazionali di Frascati, Frascati (Italy)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- INFN sezione di Lecce, Lecce (Italy)
The Mu2e experiment at FNAL aims to measure the charged-lepton flavor violating neutrinoless conversion of a negative muon into an electron. The conversion results in a monochromatic electron with an energy slightly below the muon rest mass (104.97 MeV). The calorimeter should confirm that the candidates reconstructed by the extremely precise tracker system are indeed conversion electrons while performing a powerful $$\mu/e$$ particle identification. Moreover, it should also provide a high level trigger for the experiment independently from the tracker system. The calorimeter should also be able to keep functionality in an environment where the background delivers a dose of ~ 10 krad/year in the hottest area and to work in the presence of 1 T axial magnetic field. These requirements translate in the design of a calorimeter with large acceptance, good energy resolution O(5%) and a reasonable position (time) resolution of ~<1 cm (<0.5ns). The baseline version of the calorimeter is composed by two disks of inner (outer) radius of 351 (660) mm filled by 1860 hexagonal $$BaF_2$$ crystals of 20 cm length. Each crystal is readout by two large area APD's. In this study, we summarize the experimental tests done so far as well as the simulation studies in the Mu2e environment.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1249520
- Report Number(s):
- FERMILAB-CONF-15-050-PPD; 1344899
- Journal Information:
- Journal of Physics. Conference Series, Vol. 587, Issue 1; Conference: 16th International Conference on Calorimetry in High Energy Physics, Giessen (Germany), 6-11 Apr 2014; ISSN 1742-6588
- Publisher:
- IOP PublishingCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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journal | May 2013 |
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journal | November 2008 |
The BABAR detector
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journal | February 2002 |
Laser monitoring system for the CMS lead tungstate crystal calorimeter
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journal | September 2008 |
Offline Software for the Mu2e Experiment
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journal | December 2012 |
The next generation of crystal detectors
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journal | December 2017 |
The Next Generation of Crystal Detectors
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journal | February 2015 |
The next generation of crystal detectors
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conference | September 2015 |
The Next Generation of Crystal Detectors | preprint | January 2013 |
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