Affiliation:
1. Department of Physics and Astronomy, University of California, Riverside, CA 92521, USA
2. Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA
Abstract
We recently proposed a high-granularity calorimeter insert for the Electron-Ion Collider (EIC) that uses plastic scintillator tiles read out by SiPMs. Among its features are an ASIC-away-from-SiPM strategy for reducing cooling requirements and minimizing space use, along with employing 3D-printed frames to reduce optical crosstalk and dead areas. To evaluate these features, we built a 40-channel prototype and tested it using a 4 GeV positron beam at Jefferson Laboratory. The measured energy spectra and 3D shower shapes are well described by simulations, confirming the effectiveness of the design, construction techniques, and calibration strategy. This constitutes the first use of SiPM-on-tile technology in an EIC detector design.
Funder
MRPI program of the University of California Office of the President
U.S. Department of Energy, Office of Science, Office of Nuclear Physics
Jefferson Laboratory EIC Center Fellowship
HEPCAT fellowship from DOE
Jefferson Science Associates, LLC operates the Thomas Jefferson National Accelerator Facility
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