Characterization of LaBr3: Ce and LaCl3: Ce scintillators for gamma-ray spectroscopy

被引：16
|
作者：
Alzimami, K. [1 ]
Abuelhia, E. [1 ]
Podolyak, Z. [1 ]
Ioannou, A. [1 ]
Spyrou, N. M. [1 ]
机构：
[1] Univ Surrey, Dept Phys, Surrey GU2 7XH, England
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2008年 / 278卷 / 03期
关键词：
D O I：
10.1007/s10967-008-1606-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This study aims to investigate the performance of relatively new cerium-doped scintillators, LaCl(3) and LaBr(3), for gamma-ray spectroscopy. The study involved recording of detected spectra and measurement of energy resolution, as well as photo-fraction. The Monte Carlo package, GATE, was used to validate the experiments. In general, the energy resolution figures achieved were twice as good as that of NaI(Tl). In conclusion, LaBr(3): Ce and LaCl(3): Ce crystals have excellent energy resolution, (2.13 +/- 0.03)% and (2.92 +/- 0.04)% at 1332 keV, respectively, and comparable photo-fraction to NaI(Tl). Hence, these crystals, particularly LaBr(3): Ce, have the potential to replace NaI(Tl) as the scintillator of choice for gamma-ray spectroscopy.
引用
收藏
页码：755 / 759
页数：5
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