Abstract
Abstract The luminous response to α, β and γ rays from radioactive sources and E/A 20 MeV, 3 Z 7 heavy ions of KI(Eu) crystals was studied. Measurements include optical spectral response and Eu concentration dependence. When coupled with a transmission Si surface-barrier E detector, the light-output response L observed from an optimized KI(Eu) sample is found to provide adequate Z resolution in a ΔE vs. L plot. A comparison with the results of a similar study on KBr(Eu) and CsI(Tl) crystals is presented.
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