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Kamada, K.; Yanagida, T.; Endo, T.; Tsutumi, K.; Usuki, Y.; Nikl, M.; Fujimoto, Y.; Yoshikawa, A.
2011 IEEE Nuclear Science Symposium Conference Record, 2011-Oct.Conference Proceeding
In this report 2inch size Ce:Gd 3 Al 2 Ga 3 O 12 (Ce:GAGG) single crystals were grown by the Czhocralski (Cz) method. Luminescence and scintillation properties were measured. In order to determine light yield the energy spectra were collected under 662 keV γ-ray excitation( 137 Cs source) were detected by a APD S8664-55(Hamamatsu). The light yield of CeGAGG sample was calibrated from 55 Fe direct irradiation peak to APD. The light yield was around 46,000photon/MeV. Energy resolution was 4.9%@662keV by using 3×3×1mm size sample. The density of CeGAGG is theoretically 6.63 g/cm 3 . Further results will be reported in the presentation.
