Performance studies of a SiPM-readout system with a pico-second timing chip
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment(2024)
摘要
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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