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Title: Stilbene cell development to improve radioxenon detection

Abstract

A prototype stilbene beta cell has been designed, manufactured, tested, and compared to a plastic scintillator beta cell used for nuclear explosion monitoring of radioxenon. Measurements of the four isotopes of interest show similar responses for both the plastic scintillator and stilbene cell. However, we show that the stilbene cell exhibits minimal memory effect (0.043%), a capability that is of interest in nuclear explosion monitoring because it improves detection sensitivity, allowing for decreased time between measurements. The resolution of the stilbene cell is improved slightly (2.2 keV at 129 keV) when compared to the plastic scintillator cell. The efficiency of the stilbene cell is lower than that of the plastic by an average 15%. These results suggest that an improvement in light collection are needed. Pulse shape discrimination analysis decreases the minimum detectable concentration by 1%. The use of this geometry allows for a simple replacement of the plastic cells currently used in the field versus a complete overhaul of the existing radioxenon monitoring stations.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1507396
Report Number(s):
PNNL-SA-138503
Journal ID: ISSN 0168-9002
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 923; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

Citation Formats

Sivels, Ciara B., McIntyre, Justin I., Prinke, Amanda M., Day, Anthony R., Lynch, Candace, Clarke, Shaun D., and Pozzi, Sara A. Stilbene cell development to improve radioxenon detection. United States: N. p., 2019. Web. doi:10.1016/j.nima.2019.01.022.
Sivels, Ciara B., McIntyre, Justin I., Prinke, Amanda M., Day, Anthony R., Lynch, Candace, Clarke, Shaun D., & Pozzi, Sara A. Stilbene cell development to improve radioxenon detection. United States. doi:10.1016/j.nima.2019.01.022.
Sivels, Ciara B., McIntyre, Justin I., Prinke, Amanda M., Day, Anthony R., Lynch, Candace, Clarke, Shaun D., and Pozzi, Sara A. Mon . "Stilbene cell development to improve radioxenon detection". United States. doi:10.1016/j.nima.2019.01.022.
@article{osti_1507396,
title = {Stilbene cell development to improve radioxenon detection},
author = {Sivels, Ciara B. and McIntyre, Justin I. and Prinke, Amanda M. and Day, Anthony R. and Lynch, Candace and Clarke, Shaun D. and Pozzi, Sara A.},
abstractNote = {A prototype stilbene beta cell has been designed, manufactured, tested, and compared to a plastic scintillator beta cell used for nuclear explosion monitoring of radioxenon. Measurements of the four isotopes of interest show similar responses for both the plastic scintillator and stilbene cell. However, we show that the stilbene cell exhibits minimal memory effect (0.043%), a capability that is of interest in nuclear explosion monitoring because it improves detection sensitivity, allowing for decreased time between measurements. The resolution of the stilbene cell is improved slightly (2.2 keV at 129 keV) when compared to the plastic scintillator cell. The efficiency of the stilbene cell is lower than that of the plastic by an average 15%. These results suggest that an improvement in light collection are needed. Pulse shape discrimination analysis decreases the minimum detectable concentration by 1%. The use of this geometry allows for a simple replacement of the plastic cells currently used in the field versus a complete overhaul of the existing radioxenon monitoring stations.},
doi = {10.1016/j.nima.2019.01.022},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
issn = {0168-9002},
number = C,
volume = 923,
place = {United States},
year = {2019},
month = {4}
}