Author:
Xu D.C.,Xu B.D.,Bao E.J.,Wu Y.Y.,Zhang A.Q.,Wang Y.Y.,Zhang G.L.,Xu Y.,Guo Z.Y.,Pei J.H.,Mao H.Y.,Liu J.S.,Wang Z.,Chen S.M.
Abstract
Abstract
Photomultiplier tube (PMT) voltage waveforms are the raw
data of many neutrino and dark matter experiments. Waveform analysis
is the cornerstone of data processing. We evaluate the performance
of all the waveform analysis algorithms known to us and find fast
stochastic matching pursuit the best in accuracy. Significant
time (up to × 2) and energy (up to × 1.07) resolution
boosts are attainable with fast stochastic matching pursuit,
approaching theoretical limits. Other methods also outperform the
traditional threshold crossing approach in time resolution.
Subject
Mathematical Physics,Instrumentation
Cited by
4 articles.
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