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Studies of Non-Proportionality in Alkali Halide and Strontium Iodide Scintillators Using SLYNCI

Published online by Cambridge University Press:  31 January 2011

Larry Ahle ,
Gregory Bizarri ,
Nerine Cherepy ,
Woon-Seng Choong ,
William W. Moses ,
S A Payne ,
Steven Sheets  and
Benjamin W. Sturm
Larry Ahle
Affiliation:
ahle1@llnl.gov, LLNL, L-414, PO Box 808, Livermore, California, 94551, United States
Gregory Bizarri
Affiliation:
GABizarri@lbl.gov, LBNL, Berkeley, California, United States
Nerine Cherepy
Affiliation:
cherepy1@llnl.gov, LLNL, Livermore, California, United States
Woon-Seng Choong
Affiliation:
WSChoong@lbl.gov, LBNL, Berkeley, California, United States
William W. Moses
Affiliation:
WWMoses@lbl.gov, LBNL, Berkeley, California, United States
S A Payne
Affiliation:
payne3@llnl.gov, United States
Steven Sheets
Affiliation:
sheets4@llnl.gov, LLNL, Livermore, California, United States
Benjamin W. Sturm
Affiliation:
sturm1@llnl.gov, LLNL, Livermore, California, United States
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Abstract

Recently a collaboration of LLNL and LBNL has constructed a second generation Compton coincidence instrument to study the non-proportionality of scintillators [1]. This device, known as SLYNCI (Scintillator Light-Yield Non-proportionality Characterization Instrument), has an over 30 time higher data collection rate than previous devices enabling complete characterization of a sample with less 24 hours of running time. Thus, SLYNCI enables a number of systematic studies of scintillators as many samples can be processed in a reasonable length of time. The studies include difference in non-proportionality between different types of scintillators, different members of the same family of scintillators, and impact of different doping levels. The results of such recent studies are presented here, including a study on of various alkali halides, and the impact of europium doping level in strontium iodide. Directions of future work will also be discussed.

Keywords

radiation effectsphotoemissionluminescence
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1164: Symposium L – Nuclear Radiation Detection Materials–2009 , 2009 , 1164-L07-04
Copyright
Copyright © Materials Research Society 2009

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References

1. Choong, W. et al. , IEEE Trans. Nucl. Sci. Vol 53, June 08, p1073.Google Scholar