Application of the Multichannel Front-End Chip for SiPM-Based Gamma Detectors
https://doi.org/10.56304/S2304487X20040094
Abstract
The prototype of a multichannel application specific integrated circuit (ASIC) designed at the National Research Nuclear University MEPhI as a front-end part of the gamma-detection systems utilizing “slow” scintillators such as NaI(Tl) or CsI(Tl) readout by Silicon Photomultipliers has been tested. The measurements have been carried on using a specially developed electronic test-board and a software package written in LABVIEW. The gamma-detector module includes a NaI(Tl) scintillator crystal and a matrix of SiPM PM6600 (KETEK) as a photosensor part. The system energy resolution (FWHM) has been measured to be (16.9 ± 0.9) % for 59.5 keV gamma rays. For comparison, the same measurements have been replicated using the analog part of the multichannel ASIC MAROC3 with observed energy resolution (27.7 ± 0.9) %.
About the Authors
A. C. Chergui
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
O. V. Bychkova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
E. V. Popova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
A. A. Stifutkin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
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Review
For citations:
Chergui A.C., Bychkova O.V., Popova E.V., Stifutkin A.A. Application of the Multichannel Front-End Chip for SiPM-Based Gamma Detectors. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2020;9(4):357-367. (In Russ.) https://doi.org/10.56304/S2304487X20040094
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