VUV-sensitive Silicon Photomultipliers for Xenon Scintillation Light Detection in nEXO

Abstract

Future tonne-scale liquefied noble gas detectors depend on efficient light detection in the VUV range. In the past years Silicon Photomultipliers (SiPMs) have emerged as a valid alternative to standard photomultiplier tubes or large area avalanche photodiodes. The next generation double beta decay experiment, nEXO, with a 5 tonne liquid xenon time projection chamber, will use SiPMs for detecting the $178\text{nm}$ xenon scintillation light, in order to achieve an energy resolution of $\sigma /Q_{\beta \beta }=1\%$. This paper presents recent measurements of the VUV-HD generation SiPMs from Fondazione Bruno Kessler in two complementary setups. It includes measurements of the photon detection efficiency with gaseous xenon scintillation light in a vacuum setup and dark measurements in a dry nitrogen gas setup. We report improved photon detection efficiency at $175\text{nm}$ compared to previous generation devices, that would meet the criteria of nEXO. Furthermore, we present the projected nEXO detector light collection and energy resolution that could be achieved by using these SiPMs.

arXiv comment11 pages, 13 figures, 2 tables

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Cited by in corpus (23)

• NEXO: Neutrinoless double beta decay search beyond $10^{28}$ year half-life sensitivity
• Characterization of the Hamamatsu VUV4 MPPCs for nEXO
• New perspectives on segmented crystal calorimeters for future colliders
• Characterization of SiPM Avalanche Triggering Probabilities
• Large-Area MPPC with Enhanced VUV Sensitivity for Liquid Xenon Scintillation Detector
• Performance of novel VUV-sensitive Silicon Photo-Multipliers for nEXO
• Kiloton-scale xenon detectors for neutrinoless double beta decay and other new physics searches
• Performance of Hamamatsu VUV4 SiPMs for detecting liquid argon scintillation
• Reflectance of Silicon Photomultipliers at Vacuum Ultraviolet Wavelengths
• Reflectivity and PDE of VUV4 Hamamatsu SiPMs in Liquid Xenon
• Reflectivity of VUV-sensitive Silicon Photomultipliers in Liquid Xenon
• Development of a novel, windowless, amorphous selenium based photodetector for use in liquid noble detectors
• Study of Silicon Photomultiplier Performance in External Electric Fields
• Optimization of the light intensity for Photodetectors calibration
• Doping Liquid Argon with Xenon in ProtoDUNE Single-Phase: Effects on Scintillation Light
• Operation and performance of a dual-phase crystalline/vapor xenon time projection chamber
• Event Reconstruction in a Liquid Xenon Time Projection Chamber with an Optically-Open Field Cage
• Characterization of Silicon Photomultiplier Photon Detection Efficiency at Liquid Nitrogen Temperature
• Supernova electron-neutrino interactions with xenon in the nEXO detector
• Status and Perspectives of Neutrino Physics
• Canadian Contributions to the Search for Neutrinoless Double Beta Decay
• Characterisation of SiPM Photon Emission in the Dark
• Measuring dark currents in multiple cryogenic SiPMs with sub-pA sensitivity using an automated IV multiplexer