SCINTILLATION LIGHT YIELD OF THIN FILMS OF ANTHRACENE

Thin films of anthracene were produced by evaporation on substrates cooled by liquid air. Fluorescence spectra and X-ray diffraction diagrams indicate a new crystalline phase of anthracene. With increasing temperature this modification shows an irreversible transition into normal polycrystalline anthracene. The scintillation light yield produced by α-particles and electrons is strongly reduced as compared to normal anthracene. © 1969 Springer-Verlag.