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

页码：287 / 294

页数：8

共 20 条

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