Performance of Hamamatsu VUV4 SiPMs for detecting liquid argon scintillation

Pershing, T.; Xu, J.; Bernard, E. P.; Kingston, James; Mizrachi, E.; Brodsky, J.; Razeto, A.; Kachru, P.; Bernstein, Adam; Pantic, E.; Jovanovic, Igor

doi:10.1088/1748-0221/17/04/p04017

Cited by 12 publications

(7 citation statements)

References 23 publications

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“…Dedicated measurements have been performed confirming that the light intensity deviations are within 5%. As the gain of the photosensors is temperature dependent, dedicated measurements at single photoelectron (SPE) level are performed at RT and CT. We have also computed a crosstalk probability of (14.84 ± 0.24)% at CT and an OV 4V which is in agreement with the value presented in [10]. At RT we use the value measured by HPK of 5%.…”

Section: Visible Light Methodssupporting

confidence: 83%

“…However, this decrease is more pronounced for the lower wavelengths. The PDE at 127 nm is (12.31 ± 1.09)% and can be compared with the recently published value in [10] where the reflected photons (24%) are subtracted from the contribution of photons hitting the sensor contrary to our method. The result is compatible within errors if the same definition is applied.…”

Section: Resultsmentioning

confidence: 69%

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Measurement of the photon detection efficiency of Hamamatsu VUV4 SiPMs at cryogenic temperature

Pérez-Molina

2024

J. Inst.

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Liquid argon time projection chambers play a crucial role in neutrino oscillation and dark matter experiments. Detecting scintillation light in these chambers is challenging due to the short wavelengths in the VUV range and the extremely low cryogenic temperatures (˜87 K) at which sensors operate. To take advantage of the higher photon detection efficiency (PDE) at the visible range, the use of wavelength shifters (WLS) is extended along the community. The Hamamatsu VUV4 S13370-6075CN Silicon PhotoMultiplier (SiPM) are VUV-sensitive sensors that can directly detect VUV light without the use of WLS, providing an improved PDE at these short wavelengths, and at the same time can detect the visible light from WLS if needed. The manufacturer provides a complete characterization of these sensors at room temperature. In this work we present the developed experimental setups used to measure the PDE of VUV4 SiPMs at cryogenic temperatures for different wavelengths in the range from 127 nm to 570 nm.

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Section: Visible Light Methodssupporting

confidence: 83%

Section: Resultsmentioning

confidence: 69%

Measurement of the photon detection efficiency of Hamamatsu VUV4 SiPMs at cryogenic temperature

Pérez-Molina

2024

J. Inst.

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“…Theses SiPMs were calibrated at room temperature by the manufacturer; however, several measurements, including some done at CIEMAT, shown a PDE at cryogenic temperature a ∼50% lower. The value used in this analysis has been taken from a recent publication [7].…”

Section: Resultsmentioning

confidence: 99%

Detection efficiency measurement and operational tests of the X-Arapuca for the first module of DUNE far detector

Palomares

2023

J. Inst.

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The Deep Underground Neutrino Experiment (DUNE) is a dual-site experiment for long-baseline neutrino oscillation studies, able to resolve the neutrino mass hierarchy and measure δ CP. DUNE will also have sensitivity to supernova neutrinos and to processes beyond the Standard Model, such as nucleon decay searches. The Far Detector (FD) will consist of four liquid argon TPC (17.5 kt total mass) with systems for the detection of charge and scintillation light produced by an ionization event. The charge detection system permits both calorimetry and position determination. In addition, the photon-detection system (PDS) enhances the detector capabilities for all DUNE physics drivers. The PDS of the first FD module consists of light collector modules placed in the inactive space between the innermost wire planes of the TPC anode. The light collectors, the so-called X-ARAPUCAS, are functionally a light trap that captures wavelength-shifted photons inside boxes with highly reflective internal surfaces where they are guided to Silicon Photo-multipliers (SiPM) by wavelength-shifting (WLS) bars. Functionality and operational tests of the X-ARAPUCAS to be installed in ProtoDUNE-SP phase II (FD DUNE prototype at the scale 1:20), as well as the measurement of their absolute detection efficiency is reported in this publication.

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“…Multi-Pixel Photon Counters (MPPCs), Silicon photomultipliers (SiPMs), and photo multiplier tubes (PMTs), are largely insensitive to this wavelength of light due to their construction and fabrication. More recently, devices customized to be more sensitive to VUV wavelengths have started to emerge [24][25][26], albeit with relatively low efficiencies, reaching at most 15-20%. A standard solution to the mismatch between a photosensor's readout and VUV scintillation light is to deploy a wavelength shifting (WLS) material that absorbs the VUV light and re-emits photons via fluorescence at a much longer wavelength (typically in the 'blue' wavelength).…”

Section: Introductionmentioning

confidence: 99%

Development of a novel, windowless, amorphous selenium based photodetector for use in liquid noble detectors

et al. 2023

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Detection of the vacuum ultraviolet (VUV) scintillation light produced by liquid noble elements is a central challenge in order to fully exploit the available timing, topological, and calorimetric information in detectors leveraging these media. In this paper, we characterize a novel, windowless amorphous selenium based photodetector with direct sensitivity to VUV light. We present here the manufacturing and experimental setup used to operate this detector at low transport electric fields (2.7–5.2 V/μm) and across a wide range of temperatures (77 K–290 K). This work shows that the first proof-of-principle windowless amorphous selenium device is robust under cryogenic conditions, responsive to VUV light at cryogenic temperatures, and preserves argon purity. These findings motivate a continued exploration of amorphous selenium devices for simultaneous detection of scintillation light and ionization charge in noble element detectors.

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Performance of Hamamatsu VUV4 SiPMs for detecting liquid argon scintillation

Cited by 12 publications

References 23 publications

Measurement of the photon detection efficiency of Hamamatsu VUV4 SiPMs at cryogenic temperature

Measurement of the photon detection efficiency of Hamamatsu VUV4 SiPMs at cryogenic temperature

Detection efficiency measurement and operational tests of the X-Arapuca for the first module of DUNE far detector

Development of a novel, windowless, amorphous selenium based photodetector for use in liquid noble detectors

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