Optimized constant fraction discriminator achieves 40 ps time resolution in MRPC, suggesting improved timing accuracy for NICA experiments.
The analog front-end electronics based on the constant fraction discrimination method is designed and optimized for the Multigap Resistive Plate Chamber (MRPC) timing measurements. The total time resolution of 40 ps has been obtained for 10 and 12 gaps MRPCs using cosmic setup and a muon beam at the IHEP U-70 accelerator in Protvino, which complies with the conditions of the SPD experiment at NICA.
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Kurchaninov et al. (2025) studied this question.
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