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CaI2 and CaI2(Eu) Scintillation Crystals

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3 Author(s)
Hofstadter, R. ; Department of Physics, Stanford University Stanford, California ; O'Dell, E.W. ; Schmidt, C.T.

Scintillation crystals of CaI2 and CaI2(Eu) have been produced which iypically show pulse heights of 180% relative to NaI(Tl). The emission spectra for both pure and activated materials are well matched to a S-ll phototube response. Pure CaI2 has a decay time of 0.55, ¿sec; CaI2(Eu) has a 0.79, ¿sec decay time. Though this material is difficult to grow and to package, performance results thus far obtained are encouraging.

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Nuclear Science, IEEE Transactions on  (Volume:11 ,  Issue: 3 )