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Pulse shape study of the fast scintillation light emitted from xenon-doped liquid argon using silicon photomultipliers

Author(s): Galbiati, Cristiano; Li, X; Luo, J; Marlow, Daniel R.; Wang, H; et al

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Abstract: Xenon-doped liquid argon has been proposed as a good alternative to pure liquid argon in scintillation detectors. In this study, we report on the measurement of the time profile of scintillation light emitted from xenon-doped liquid argon with molar concentrations up to 1600 ppm. A compact setup has been developed for this study, with silicon photomultiplier (SiPM) as the photosensor and 210Po and 90Sr as scintillation sources. An effective model based on the de-excitation processes has been developed to describe the data. The results show that xenon-doped liquid argon is a good fast scintillator and can be used in lieu of tetraphenyl butadiene (TPB) in a way that preserves its capability for particle identification via pulse shape discrimination (PSD).
Publication Date: 10-Feb-2021
Electronic Publication Date: 10-Feb-2021
Citation: Galbiati, C, Li, X, Luo, J, Marlow, DR, Wang, H, Wang, Y. (Pulse shape study of the fast scintillation light emitted from xenon-doped liquid argon using silicon photomultipliers. Journal of Instrumentation, 16 (02), P02015 - P02015. doi:10.1088/1748-0221/16/02/p02015
DOI: doi:10.1088/1748-0221/16/02/p02015
EISSN: 1748-0221
Keywords: Ionization and excitation processes; Noble liquid detectors (scintillation, ionization, double-phase); Scintillators, scintillation and light emission processes (solid, gas and liquid scintil- lators); Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs, CMOS imagers, etc)
Pages: P02015 - P02015
Type of Material: Journal Article
Journal/Proceeding Title: Journal of Instrumentation
Version: Author's manuscript

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