Abstract

The scintillation light yield of thin trans-stilbene, para-terphenyl and anthracene crystals and an organic plastic scintillator bombarded with α-particles of ThB has been measured as a function of temperature betweent=20° C and the melting point. The light yield of all the specimens investigated has been found to be reduced with increasing temperature. In all cases at the melting point the light yield will be zero. The scintillation anisotropy of the organic crystal scintillators also has been investigated over the range of temperature mentioned above, and there it is independent of temperature and retains the value measured at room temperature.

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