Quality of mass produced lead tungstate crystals

被引：0
|
作者：
Mao, RH [1 ]
Zhang, LY [1 ]
Zhu, RY [1 ]
机构：
[1] CALTECH, Pasadena, CA 91125 USA
来源：
2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5 | 2004年
关键词：
lead tungstate; crystal; scintillator; radiation hardness; light output;
D O I：
暂无
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Because of broad interest in high energy and nuclear physics community, mass production capacities of lead tungstate crystals have been established. The optical and scintillation properties of PWO crystals, 20 each from two major vendors, were evaluated. The transmittance, emission and excitation spectra, light output and light response uniformity of these crystals were measured. The degradations of these properties under irradiation, and the emission weighted radiation induced absorption coefficient (EWRIAC) were also studied. It was found that currently mass-produced lead tungstate crystals are radiation hard enough for radiation environment where dose rates of up to a few hundreds rad/h is expected.
引用
收藏
页码：110 / 112
页数：3
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