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Evaluation of a semiconductor-based atmospheric radioxenon detection system

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
 [1];  [2];  [2]
  1. Oregon State Univ., Corvallis, OR (United States); University of Michigan
  2. Oregon State Univ., Corvallis, OR (United States)

A prototype radioxenon detection system for beta–gamma coincidence measurements has been designed using a PIPSBox and a pair of coplanar CdZnTe (CZT) detectors. Coincidence events are identified in real-time using a Field-Programmable Gate Array (FPGA). The measurement of 131mXe and studies on electron backscatter and memory effect in the PIPSBox have been presented previously; this paper details the measurement of 133/133mXe, 135Xe, and background. Here, absolute efficiencies were determined, regions of interest were defined, and Minimum Detectable Concentrations (MDC) for all four radioxenon isotopes were calculated. When neglecting interferences between the radioxenons, the prototype system has an estimated MDC of 0.61 ± 0.15 mBq/m3 for 133Xe when using gas processing parameters associated with Xenon International, satisfying the CTBTO requirement for sensitivity of ≤1 mBq/m3 for 133Xe. Simulation suggests that by increasing number of CZT detectors used by a factor of 16, the MDCs of the system can be improved by a factor of 2-3. The design shows great promise for future improvement and expansion due to its exceptional energy resolution, high background rejection rate, room temperature operation, minimal memory effect, and simple readout electronics.

Research Organization:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0002534
OSTI ID:
1798657
Alternate ID(s):
OSTI ID: 1564280
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 945; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

References (23)

The АРИКС-01 Automatic Facility for Measuring Concentrations of Radioactive Xenon Isotopes in the Atmosphere journal May 2005
Contribution to the development of atmospheric radioxenon monitoring journal May 2008
Innovative concept for a major breakthrough in atmospheric radioactive xenon detection for nuclear explosion monitoring journal May 2013
A CZT-based radioxenon detection system in support of the Comprehensive Nuclear-Test-Ban Treaty journal May 2016
Comparison of new and existing algorithms for the analysis of 2D radioxenon beta gamma spectra journal January 2017
A radioxenon detection system using CdZnTe, an array of SiPMs, and a plastic scintillator journal May 2017
SAUNA—a system for automatic sampling, processing, and analysis of radioactive xenon
  • Ringbom, A.; Larson, T.; Axelsson, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 508, Issue 3, p. 542-553 https://doi.org/10.1016/S0168-9002(03)01657-7
journal August 2003
Atmospheric xenon radioactive isotope monitoring journal January 2004
Low-level activity measurement of 131Xem, 133Xem, 135Xe and 133Xe in atmospheric air samples using high-resolution dual X–γ spectrometry journal October 2006
Improvements of low-level radioxenon detection sensitivity by a state-of-the art coincidence setup journal May 2014
Spalax™ new generation: A sensitive and selective noble gas system for nuclear explosion monitoring journal September 2015
Global radioxenon emission inventory based on nuclear power reactor reports journal January 2009
135Xe measurements with a two-element CZT-based radioxenon detector for nuclear explosion monitoring journal April 2017
Improved performance comparisons of radioxenon systems for low level releases in nuclear explosion monitoring journal November 2017
A stilbene - CdZnTe based radioxenon detection system journal August 2019
Characteristics of depth-sensing coplanar grid CdZnTe detectors
  • He, Zhong; Sturm, Ben W.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 554, Issue 1-3, p. 291-299 https://doi.org/10.1016/j.nima.2005.06.064
journal December 2005
Redesigned β–γ radioxenon detector
  • Cooper, Matthew W.; McIntyre, Justin I.; Bowyer, Ted W.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 579, Issue 1 https://doi.org/10.1016/j.nima.2007.04.092
journal August 2007
Memory effect, resolution, and efficiency measurements of an Al2O3 coated plastic scintillator used for radioxenon detection
  • Bläckberg, L.; Fritioff, T.; Mårtensson, L.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 714 https://doi.org/10.1016/j.nima.2013.02.045
journal June 2013
Measurements of ambient radioxenon levels using the automated radioxenon sampler/analyzer (ARSA) journal January 2001
Evaluation of phoswich well detectors for radioxenon monitoring conference October 2007
A Phoswich Detector With Compton Suppression Capability for Radioxenon Measurements journal February 2013
Absolute Efficiency Calibration of a Beta-Gamma Detector journal April 2013
The ARIX-03F mobile semiautomatic facility for measuring low concentrations of radioactive xenon isotopes in air and subsoil gas journal May 2007

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