A method to define the energy threshold depending on noise level for rare event searches

Abstract

Solid state detectors and cryogenic detectors are widely employed in rare event searches, such as direct Dark Matter detection or Coherent Neutrino Nucleus Scattering experiments. The excellent sensitivity and, consequently, their low energy thresholds are among the most appealing features of such detectors. We present a method to quantify the lowest trigger threshold achievable as a function of the acceptable amount of noise events triggered for the physics case under investigation. We then apply this novel method to existing experimental and simulated data to validate the model we presented.

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• Cryogenic characterization of a LiAlO${}_2$ crystal and new results on spin-dependent dark matter interactions with ordinary matter
• Cosmic muon flux attenuation methods for superconducting qubit experiments
• Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors
• Cait: analysis toolkit for cryogenic particle detectors in Python
• Neural-network-based level-1 trigger upgrade for the SuperCDMS experiment at SNOLAB