A high-efficiency radioactive xenon detection system for verification of test-ban treaties

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Description

A system with promising characteristics was developed for the detection of 131rnXe,1 33rnXe'3, 3Xe, and I3'Xe metastable isotopes for treaty verification of nuclear test ban treaties. The proposed method uses high-resolution electron and gamma-ray spectrometry and coincidence timing for signal selectivity and background rejection. The system enables the identification, quantification, and determination of the provenance of the relevant xenon isotopes. X-ray fluorescence gating is used to lower the backgrounds from other sources to well below the sub-becquerel level. Using coincidence and anti-coincidence schemes among the several detectors that comprise the system, K-shell conversion electrons were clearly identified with good efficiencies ... continued below

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3 p.

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Lopes, J. A. M.; Morgado, R. E. (Richard E.) & Conde, C. A. January 1, 2002.

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Description

A system with promising characteristics was developed for the detection of 131rnXe,1 33rnXe'3, 3Xe, and I3'Xe metastable isotopes for treaty verification of nuclear test ban treaties. The proposed method uses high-resolution electron and gamma-ray spectrometry and coincidence timing for signal selectivity and background rejection. The system enables the identification, quantification, and determination of the provenance of the relevant xenon isotopes. X-ray fluorescence gating is used to lower the backgrounds from other sources to well below the sub-becquerel level. Using coincidence and anti-coincidence schemes among the several detectors that comprise the system, K-shell conversion electrons were clearly identified with good efficiencies and energy resolutions (about 1.4 keV for the 30 keV K-shell fluorescence x-rays and 25 keV for the conversion electrons).

Physical Description

3 p.

Source

  • To be Presented at the IEEE Nuclear Science Symposium 2002, Norfolk, VA, Nov. 10-16, 2002

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  • Report No.: LA-UR-02-6374
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976379
  • Archival Resource Key: ark:/67531/metadc933345

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 6:33 p.m.

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Lopes, J. A. M.; Morgado, R. E. (Richard E.) & Conde, C. A. A high-efficiency radioactive xenon detection system for verification of test-ban treaties, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc933345/: accessed November 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.