PoS - Proceedings of Science
Volume 370 - Topical Workshop on Electronics for Particle Physics (TWEPP2019) - Systems, Planning, Installation, Commissioning and Running Experience
The Digitizer ReAdout Controller (DIRAC) of the Mu2e electromagnetic calorimeter at Fermilab
E. Elena Pedreschi,* F. Cervelli, S. Di Falco, S. Donati, L. Morescalchi, F. Raffaelli, F. Spinella, S. Ceravolo, G. Corradi, E. Diociaiuti, R. Donghia, S. Giovannella,, F. Happacher, M. Martini, S. Miscetti, D. Pasciuto, I. Sarra
*corresponding author
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Pre-published on: March 09, 2020
Published on: April 21, 2020
We report on the design and performance of the Digitizer ReAdout Controller (DIRAC) of the Mu2e electromagnetic calorimeter, which consists of a 670 CsI crystals matrix readout by SiPM. The 20-channels DIRAC performs 200 MHz sampling of the SiPM signals transmitted by the front-end electronics. Operation in the Mu2e hostile environment expected Total Ionizing Dose (TID) of 12 Krad and neutron fluence of 5x10 10 n/cm 2 @ 1 MeV eq (Si)/y, 1T magnetic field, level of vacuum of 10 -4 Torr has made the DIRAC design challenging. We describe design, specifications, architecture and results of the tests performed on the DIRAC prototypes.
DOI: https://doi.org/10.22323/1.370.0119
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