Towards the ultimate PMT waveform analysis for neutrino and dark matter experiments

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 times) and energy (up to 1.07 times) resolution boosts are attainable with fast stochastic matching pursuit, approaching theoretical limits. Other methods also outperform the traditional threshold crossing approach in time resolution.

arXiv commentSource code is hosted at https://github.com/heroxbd/waveform-analysis

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Cited by in corpus (5)

• Single electron charge spectra of 8-inch high-collection-efficiency MCP-PMTs
• Check on the features of potted 20-inch PMTs with 1F3 electronics prototype at Pan-Asia
• Batch VUV4 Characterization for the SBC-LAr10 scintillating bubble chamber
• The Fast Stochastic Matching Pursuit for Neutrino and Dark Matter Experiments
• First-principle event reconstruction by time-charge readouts for the Taishan Antineutrino Observatory