Can the ZoMBieS method be used to characterise scintillator non-linearity?

被引：1
|
作者：
Bignell, L. J. [1 ]
机构：
[1] Australian Nucl Sci & Technol Org, Act Stand Lab, Lucas Heights, NSW 2234, Australia
来源：
APPLIED RADIATION AND ISOTOPES | 2014年 / 87卷
关键词：
Liquid scintillator; ZoMBieS method; Scintillator non-linearity; Birks quenching;
D O I：
10.1016/j.apradiso.2013.11.006
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Measurements of the detection efficiency as a function of deposited electron energy in a liquid scintillation cocktail between 4 key and 49 keV are obtained using the ZoMBieS method. Comparison is made between the measured data and the Poisson-Birks detection efficiency model. Measurements of the Birks non-linearity parameter, kB, and the linearised scintillation response of each photomultiplier, omega(i), were made using these data. However, the value of kB that best linearises the scintillator response is found to vary depending upon which photomultiplier is used in its determination, and the measured kB and omega(i); vary depending on the external source geometry. The cause of this behaviour is unknown. The triple-coincident detection efficiency appears to be unaffected by any systematic errors. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：265 / 268
页数：4
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