Author:
Luo L.,Jia Z.,Shen Z.,Zhang Y.,Liu S.
Abstract
Abstract
Super Tau-Charm Facility (STCF) will provide unique support
for particle physics research in China owing to its high luminosity
and large dynamic range. Its electromagnetic calorimeter (ECAL) is
designed as a new type of calorimeter which can perform
high-precision energy and time measurement at the same
time. Considering the high event rate and pile up induced by high
luminosity, and the large channel number scale of ECAL, the readout
electronics needs to adopt a high-precision, unconventional, and
real-time processing method to reduce the data amount in
transmission. Based on the charge-sensitive front-end electronics in
energy measurement, an online time measurement method based on
waveform fitting algorithm has been studied and implemented in this
work. The parameters which would affect the time resolution are
analyzed according to simulation and experimental test. After the
optimization of electronics, a time resolution of 165 ps at the
equivalent deposition energy of 1 GeV is achieved, which indicates
that the waveform fitting method based on charge-sensitive readout
electronics can meet the future requirements.
Subject
Mathematical Physics,Instrumentation
Cited by
2 articles.
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1. A pile-up correction algorithm for STCF ECAL readout electronics;International Journal of Modern Physics A;2024-09-04
2. A light yield enhancement method using wavelength shifter for the STCF EMC;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;2023-05