2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160420When cooled below room temperature, the pulse response of a photomultiplier in the absence of light (dark rate) initially decreases, but then turns around near 250 K and continues to rise all the way down to 4 K. When the photomultiplier is cold, its dark response is burst-like. We have measured the characteristics of the dark response of a photomultiplier.Nuclear Experimenttext