Condensed krypton scintillators

Abstract Liquid and solid krypton have been studied as scintillators. Attenuation length for Kr scintillation light was determined to be about 1m, after the Kr was purified by a hot Ca-getter and by a Ti discharge purifier in liquid phase. Two detectors (75 and 51 in size, respectively) were tested as stop-counters in a time-of-flight experiment using 1–2 GeV/ c particle beams at the ITEP accelerator. A FWHM time resolution of ~2 ns was achieved. Using Si-PhD to detect the scintillation light in liquid and solid Kr. resolution of 16% (FWHM) for α( 239 Pu)-scintillation was achieved in both liquid and solid Kr.