Comparison of }:} and }:} With NaI(Tl) and Cadmium Zinc Telluride (CZT) Detectors

Energy resolution and detection efficiency were compared between new scintillators, lanthanum bromide (LaBr 3 :Ce) and lanthanum chloride (LaCl 3 :Ce) with conventional detectors, sodium iodide NaI(Tl) and cadmium zinc telluride (CdZnTe or CZT). The study has shown that LaBr 3 :Ce and LaCl 3 :Ce sci...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2008-06, Vol.55 (3), p.1174-1177
Main Authors: Alexiev, D., Mo, L., Prokopovich, D.A., Smith, M.L., Matuchova, M.
Format: Article
Language:English
Subjects:
Australia
Bromides
Cadmium compounds
Cadmium zinc tellurides
CZT
Detectors
efficiency
Energy resolution
gamma spectral comparison
Lanthanum
Lanthanum chlorides
NaI(Tl)
Nuclear and plasma sciences
Photonic crystals
Physics
Pollution measurement
resolution
Sodium iodides
Solid scintillation detectors
Zinc compounds
{\hbox {LaBr}}_{3}:{\hbox {Ce}}
{\hbox {LaCl}}_{3}:{\hbox {Ce}}
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Summary:Energy resolution and detection efficiency were compared between new scintillators, lanthanum bromide (LaBr 3 :Ce) and lanthanum chloride (LaCl 3 :Ce) with conventional detectors, sodium iodide NaI(Tl) and cadmium zinc telluride (CdZnTe or CZT). The study has shown that LaBr 3 :Ce and LaCl 3 :Ce scintillator detectors provided by Saint-Gobain offer better resolution than NaI(Tl) detector. LaBr 3 :Ce and LaCl 3 :Ce detectors could resolve some closely spaced peaks from 133 Ba and 152 Eu, which Na(I) could not. LaBr 3 :Ce has slightly better resolution and higher efficiency than LaCl 3 :Ce. An overall advantage of LaBr 3 :Ce and LaCl 3 :Ce detectors over NaI(Tl) and CZT has been discussed. The intrinsic activity of LaBr 3 :Ce is also demonstrated in this study.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2008.922837