Performance studies of a SiPM-readout system with a pico-second timing chip

2024/02/04 by Xia, Xin, Du, Dejing, Jiang, Xiaoshan +6
#FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det)

paper · doi:10.48550/arxiv.2402.02641

Abstract

A pico-second timing (PIST) front-end electronic chip has been developed using 55~nm CMOS technology for future electron-positron collider experiments (namely Higgs factories). Extensive tests have been performed to evaluate the timing performance of a dedicated SiPM-readout system equipped with a PIST chip. The results show that the system timing resolution can achieve 45~ps for SiPM signals at the minimum-ionizing particles (MIP) level (200~p.e.) and better than 10~ps for signals larger than 1200~p.e., while the PIST intrinsic timing resolution is 4.76 ± 0.60~ps. The PIST dynamic range has been further extended using the time-over-threshold (ToT) technique, which can cover the SiPM response spanning from ∼ 900~p.e. to ~∼ 40000~p.e..

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