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Title: Quality Assurance on Undoped CsI Crystals for the Mu2e Experiment

Journal Article · · IEEE Transactions on Nuclear Science
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  1. Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)
  2. Istituto Nazionale di Fisica Nucleare (INFN), Pisa (Italy)
  3. National Inst. of Nuclear Physics (INFN), Frascati (Italy). National Lab. of Frascati (INFN-LNF)
  4. California Inst. of Technology (CalTech), Pasadena, CA (United States). Dept. of Physics
  5. Istituto Nazionale di Fisica Nucleare (INFN), Lecce (Italy)
  6. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
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The Mu2e experiment is constructing a calorimeter consisting of 1,348 undoped CsI crystals in two disks. Each crystal has a dimension of 34 x 34 x 200 mm3, and is readout by a large area silicon PMT array. A series of technical specifications was defined according to physics requirements. Preproduction CsI crystals were procured from three firms: Amcrys, Saint-Gobain and Shanghai Institute of Ceramics. We report the quality assurance on crystal's scintillation properties and their radiation hardness against ionization dose and neutrons. With a fast decay time of 30 ns and a light output of more than 100 p.e./MeV measured with a bi-alkali PMT, undoped CsI crystals provide a cost-effective solution for the Mu2e experiment.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359
OSTI ID:
1434940
Report Number(s):
FERMILAB-PUB-17-657-PPD; arXiv:1802.08247; 1657180; TRN: US1802824
Journal Information:
IEEE Transactions on Nuclear Science, Vol. 65, Issue 2; ISSN 0018-9499
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS