Fluorescence of pyrene-doped polystyrene films from room temperature down to 4 K for wavelength-shifting applications

H. Benmansour, E. Ellingwood, Q. Hars +13

In liquid argon-based particle detectors, slow wavelength shifters (WLSs) could be used alongside the common, nanosecond scale, WLS tetraphenyl butadiene (TPB) for background mitig…