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The Mu2e Crystal and SiPM Calorimeter: Construction Status

Conference · · IEEE Trans.Nucl.Sci.
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  1. Dubna, JINR
  2. Caltech
  3. Frascati
  4. INFN, Pisa
  5. Frascati; ENEA, Frascati
  6. INFN, Pisa; Pisa U.
  7. INFN, Pisa; Rome U.
  8. INFN, Lecce
  9. Frascati; Rome U.
  10. INFN, Ferrara
  11. INFN, Trieste
+ Show Author Affiliations
The Mu2e experiment at Fermilab searches for the neutrino-less conversion of a negative muon into an electron, with a distinctive signature of a mono-energetic electron with an energy of 104.967 MeV. The calorimeter is made of two disks of pure CsI crystals, each read out by two custom large-area UV-extended silicon photomultipliers (SiPMs). It plays a fundamental role in providing excellent particle identification capabilities and an online trigger filter while improving the track reconstruction, requiring better than 10% energy and 500 ps timing resolutions for 100 MeV electrons. In this article, we present the status of construction and the quality control (QC) performed on the produced crystals and photosensors, the development of the rad-hard electronics, and the most important results of the irradiation tests. Construction of the mechanics is also reported. Status and plans for the calorimeter assembly and its first commissioning are described.
Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
2440030
Report Number(s):
FERMILAB-CONF-24-0321-V; arXiv:2401.15609; oai:inspirehep.net:2697917
Conference Information:
Journal Name: IEEE Trans.Nucl.Sci. Journal Issue: 7 Journal Volume: 70
Country of Publication:
United States
Language:
English

References (10)

Electron beam test of the large area Mu2e calorimeter prototype journal January 2019
The Straw-tube Tracker for the Mu2e Experiment journal April 2016
Energy and time resolution of a LYSO matrix prototype for the Mu2e experiment
  • Atanov, N.; Baranov, V.; Colao, F.
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journal July 2016
Measurement of time resolution of the Mu2e LYSO calorimeter prototype
  • Atanov, N.; Baranov, V.; Colao, F.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 812 https://doi.org/10.1016/j.nima.2015.12.055
journal March 2016
The calorimeter-seeded track reconstruction for the Mu2e experiment at Fermilab conference October 2015
Mu2e Run I Sensitivity Projections for the Neutrinoless μ− → e− Conversion Search in Aluminum journal January 2023
Lepton mixing, μ → e + γ decay and neutrino oscillations journal April 1977
Design and Status of the Mu2e Crystal Calorimeter journal August 2018
The BABAR detector
  • Aubert, B.; Bazan, A.; Boucham, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 479, Issue 1 https://doi.org/10.1016/S0168-9002(01)02012-5
journal February 2002
A search for μ-e conversion in muonic gold journal May 2006

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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY