Non-proportionality and thermoluminescence of LSO:Ce

This work presents the results from experiments performed on Lu/sub 2/SiO/sub 5/:Ce (LSO:Ce). It looks for potential correlations of light yield nonproportionality and other scintillation properties such as intrinsic energy resolution with thermoluminescence properties. The analyzed samples were cho...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2005-08, Vol.52 (4), p.1098-1104
Main Authors: Kapusta, M., Szupryczynski, P., Melcher, C.L., Moszynski, M., Balcerzyk, M., Carey, A.A., Czarnacki, W., Spurrier, M.A., Syntfeld, A.
Format: Article
Language:English
Subjects:
Atmosphere
Atmospheric measurements
Avalanches
Correlation
Crystals
Energy measurement
Energy resolution
Liquid nitrogen
Molecular imaging
Nitrogen
Photodiodes
Photomultipliers
Spectroscopy
Temperature
Thermoluminescence
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Summary:This work presents the results from experiments performed on Lu/sub 2/SiO/sub 5/:Ce (LSO:Ce). It looks for potential correlations of light yield nonproportionality and other scintillation properties such as intrinsic energy resolution with thermoluminescence properties. The analyzed samples were chosen from various crystal batches having significantly different properties. Single crystal LSO:Ce samples were coupled to an XP2020Q photomultiplier and to large area avalanche photodiodes and measured as a function of /spl gamma/-ray energy between 14.7 and 1770 keV at room temperature and also near liquid nitrogen temperature. To explain the experimental results obtained from spectrometric methods, the properties of the samples were further studied using thermoluminescence techniques within the temperature range from 250K to 600K. The relationships between data obtained from these two types of experiments are reported.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2005.852731