Measuring the Impact Ionization and Charge Trapping Probabilities in SuperCDMS HVeV Phonon Sensing Detectors

F. Ponce, W. Page, P. L. Brink +12

A 0.93 gram $1\times 1\times 0.4$ cm${}^3$ SuperCDMS silicon HVeV detector operated at 30 mK was illuminated by 1.91 eV photons using a room temperature pulsed laser coupled to the…