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Status of the Mu2e calorimeter readout electronics

Conference ·
OSTI ID:2562841
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  1. Dubna, JINR
  2. Frascati
  3. Caltech
  4. INFN, Pisa
  5. Frascati; ENEA, Frascati
  6. INFN, Pisa; Pisa U.
  7. Frascati; Guglielmo Marconi U.
  8. INFN, Pisa; CNR, INO, Pisa
  9. Molise U.; Rome U., Tor Vergata
  10. Rome U.
  11. INFN, Ferrara
+ Show Author Affiliations
The Mu2e experiment [1] at Fermilab will search for the neutrino-less coherent conversion of a muon into an electron in the field of a nucleus. Mu2e detectors comprise a straw tracker, an electromagnetic calorimeter and a veto for cosmic rays. The calorimeter employs 1348 Cesium Iodide crystals readout by silicon photomultipliers and fast front-end and digitization electronics. The front-end electronics consists of two discrete readout circuits (AMP-HV) for each crystal. These provide the amplification, shaping stage and linear regulation of the SiPM bias voltage and monitoring. The SiPM and front-end control electronics is implemented in a battery of mezzanine boards each equipped with an ARM processor that controls a group of 20 Amp-HV circuits distributing the low voltage and the high-voltage. The electronic is hosted in crates located on the external surface of calorimeter disks. The crates also host the waveform digitizer board (DIRAC) that performs digitization of the front end signals and transmit the digitized data to the Mu2e DAQ. Calorimeter electronic is hosted inside the cryostat and must sustain very high radiation and magnetic field so it was necessary to fully qualify it. The system design and quality assurance procedures will be reviewed.
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:
89243024CSC000002
OSTI ID:
2562841
Report Number(s):
FERMILAB-CONF-24-0352-V; oai:inspirehep.net:2911545
Country of Publication:
United States
Language:
English

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS