High-energy-resolution scintillator: Ce3+ activated LaCl3
作者： E. V. D. van Loef , P. Dorenbos , C. W. E. van Eijk , K. Krämer , H. U. Güdel
DOI: 10.1063/1.1308053
关键词: Atomic physics 、 Nuclear physics 、 Resolution (electron density) 、 Photoluminescence 、 Absorption (electromagnetic radiation) 、 Full width at half maximum 、 Scintillation 、 Physics 、 Scintillator 、 Gamma ray 、 Strontium iodide
摘要: The scintillation properties of LaBr3 doped with 0.5% Ce3+ are presented. Under optical and gamma ray excitation, Ce3+ emission is observed to peak at 356 387 nm. light output 61 000±5000 photons/MeV 662 keV. More than 90% emitted a decay time 35 ns. An energy resolution (full width half maximum over the position) 2.85%±0.05% was for keV full absorption peak. A 385 ps obtained using BaF2 as second scintillator rays 60Co.
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