Characterization of protonated and deuterated Tetra-Phenyl Butadiene Film in a Polystyrene Matrix
Abstract
We study the effect of deuteration and annealing on the fluorescence spectrum shape and VUV to visible conversion efficiency of TPB films in a polystyrene matrix with input light from 120 to 220 nm. We observed no discernible difference in the fluorescence spectrum shape between any of the films. The deuterated film performed equally well compared to the standard one in terms of conversion efficiency, but annealing seems to degrade this efficiency to roughly 75% of its non annealed value at all wavelengths studied.
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