Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Detectors for Future Facilities, R&D, Novel Techniques Posters
DRS4 based SiPM readout electronics for the Cosmic Muon Veto Detector at IICHEP
M. Saraf, S. Bheesette, P. Chattopadhyay, G. Majumder*, R. Shinde, S. Upadhya, E. Yuvaraj and K. Ravindran
*: corresponding author
Full text: pdf
Pre-published on: January 30, 2025
Published on: April 29, 2025
Abstract
A cosmic muon veto detector (CMVD) is being built around the mini-ICAL detector which is
operational at IICHEP, Madurai. It will study the feasibility of building a shallow depth neutrino
detector. It’s being built using extruded plastic scintillator (EPS) strips. Muon interactions in the
EPS are detected by SiPMs mounted at the end of 2 wavelength shifting fibres which are inserted
in the EPS strips.
The muon detection efficiency of the CMVD is required to be more than 99.99%. Faithful
detection of muons requires SiPM charge measurement. SiPM signals are converted to voltage
pulses by trans-impedance amplifiers. A DRS4 based readout system is being designed to sample
the signals at a rate of 1 GS/s. The samples are digitised on receiving a mini-ICAL trigger, and
zero suppressed data are transmitted to the back-end data server. An FPGA based DAQ board
consisting of 5 DRS4 ASICs and a network interface is being designed. This paper will discuss
the prototype design of the SiPM readout board.
DOI: https://doi.org/10.22323/1.476.1140
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