Parametrization of high light yield, energy resolution, and optical cross-talk in SiPM-based liquid argon detectors

Moharana, A.; Galbiati, C.; Horikawa, S.; Kachru, P.; Kochanek, I.; Kondo, Kazuhiro; Razeto, A.

doi:10.1016/j.nima.2022.167911

Cited by 1 publication

(2 citation statements)

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“…First, one may consider the use of optical IR filters with the SiPMs as demonstrated in refs. [14,28]. The optical crosstalk photons peak in the near infrared, far removed from the mostly VUV scintillation of xenon [6].…”

Section: Jinst 19 P01013mentioning

confidence: 99%

“…Indeed, calibration of external crosstalk is not possible at the single-device level, and can only be measured by other devices within the particle detector system. While numerous groups have studied internal crosstalk [9,10,12,13], limited attention [11,14,15] has been given to studies of external crosstalk between devices within a larger detector.…”

Section: Introductionmentioning

confidence: 99%

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Why would you put a flashlight in a dark matter detector?

Gibbons,

Chen,

Haselschwardt

et al. 2024

J. Inst.

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Silicon photomultipliers (SiPMs) are solid-state, single-photon sensitive, pixelated sensors whose usage for scintillation detection has rapidly increased over the past decade. It is known that the avalanche process within the device, which renders a single photon detectable, can also generate secondary photons which may be detected by a separate device. This effect, known as external crosstalk, could potentially degrade the science goals of future xenon dark matter experiments. In this article, we measure the effect of external crosstalk in a dual-phase, liquid xenon time projection chamber fully instrumented with SiPMs. We then consider the implications for a future xenon dark matter experiment utilizing SiPMs and discuss possible solutions.

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Section: Jinst 19 P01013mentioning

confidence: 99%