Properties of the YAP:Ce scintillator

被引：128

作者：

Moszynski, M ^{[1
]}

Kapusta, M

Wolski, D

Klamra, W

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 | 1998年 / 404卷 / 01期

关键词：

scintillation detectors; Ce doped scintillators; energy resolution; fast timing;

D O I：

10.1016/S0168-9002(97)01115-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Light yield, light pulse shape due to gamma-rays and alpha-particles, energy and time resolutions for a 10 x 10 x 5 mm(3) YAP crystal coupled to the XP2020Q photomultiplier were studied. The measured light output of 17 000 +/- 850 photons/MeV includes a correction for the calibrated quantum efficiency of the XP2020Q. The fast component of the light pulse with the decay time constant of 26.7 +/- 0.12 ns also shows a finite rise time described approximately by the time constant of 380 +/- 45 ps. The YAP crystal which was studied exhibited an energy resolution of 5.7% for 662 keV gamma-rays from a Cs-137 source. This very good energy resolution is due to a low intrinsic energy resolution of 3.4%. These characteristics, together with a good time resolution for Co-60 gamma-rays of 160 ps measured at the threshold of 1 MeV, suggest a broad range of applications for the YAP scintillator. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：157 / 165

页数：9

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