Investigation of some scintillation properties of YAG:Ce crystals

被引：66
|
作者：
Ludziejewski, T
Moszynski, M
Kapusta, M
Wolski, D
Klamra, W
Moszynska, K
机构：
[1] SOLTAN INST NUCL STUDIES,PL-05400 OTWOCK,POLAND
[2] UNIV WARSAW,INST EXPT PHYS,PL-00681 WARSAW,POLAND
[3] ROYAL INST TECHNOL,DEPT PHYS,S-10405 STOCKHOLM,SWEDEN
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 398卷 / 2-3期
关键词：
D O I：
10.1016/S0168-9002(97)00820-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A light output expressed in the photoelectron (phe) number, a relative light yield for alpha-particles and light pulse shapes for gamma-rays and alpha-particles excitation of the YAG:Ce crystals with different Ce doping between 0.012 and 1.08 mol% were studied. The highest light output of 1420 +/- 70 phe/MeV was measured for the sample doped with 0.21 +/- 0.03 mol% Ce, while the fastest pulse was observed for the sample doped with 1.08 +/- 0.08 mol% Ce showing, however, lower light yield by 10%. The relative light yield for alpha-particles of 0.21 +/- 0.03 as compared to gamma-rays was approximately the same for all the samples studied. In conclusion, the YAG:Ce crystal doped with about 1 mol% of Ce is the most appropriate for different applications. For this crystal the alpha-gamma discrimination by digital charge comparison method was studied. A clear separation was observed with the YAG crystal coupled to the XP2020Q photomultiplier for 5.49 MeV alpha-particles from Am-241 source and 6.04 MeV as well as 8.77 MeV from ThC source. However, this separation was inferior compared to that known for CsI(Tl).
引用
收藏
页码：287 / 294
页数：8
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