Study of linearity and internal background for LaBr3(Ce) γ-ray scintillation detector

被引：6
|
作者：
Lavagno, A. [1 ,3 ]
Gervino, G. [2 ,3 ]
Scarfone, A. [1 ,4 ]
机构：
[1] Politecn Torino, Dipartimento Sci Appl & Tecnol, Turin, Italy
[2] Univ Turin, Dipartimento Fis, I-10124 Turin, Italy
[3] Ist Nazl Fis Nucl, Sezione Torino, Milan, Italy
[4] Ist Nazionale Materia INFM CNR, Unita Torino, Turin, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2013年 / 718卷
关键词：
Scintillation counters; Inorganic scintillators; LaBr3(Ce); gamma-Ray spectroscopy;
D O I：
10.1016/j.nima.2012.11.024
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Cerium-doped lanthanum bromide, LaBr3(Ce), crystal is the latest among the scintillation counters and shows same attracting properties for gamma spectroscopy that makes it a suitable solution for security, medical, geophysics and high energy physics applications. LaBr3(Ce) exhibits a proportional light yield response to gamma-ray energy. Very good linearity was seen up to 2 MeV. LaBr3(Ce) has also relatively high intrinsic radiation background due to naturally occurring La-138 and (227)AC radioisotopes. A good use of LaBr3(Ce) needs an accurate determination of the self-activity, particularly when low background is required or when events are collected at very low trigger rates. The impact of internal background on energy resolution and linearity is discussed. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：504 / 505
页数：2
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