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Proceedings Paper

Computational assessment of the impact of gamma-ray detector material properties on spectroscopic performance
Author(s): David V. Jordan; James E. Baciak; Benjamin S. McDonald; Walter K. Hensley; Erin A. Miller; Richard S. Wittman; Edward R. Siciliano
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Paper Abstract

Pacific Northwest National Laboratory (PNNL) is performing a computational assessment of the impact of several important gamma-ray detector material properties (e.g. energy resolution and intrinsic detection efficiency) on the scenario-specific spectroscopic performance of these materials. The research approach combines 3D radiation transport calculations, detector response modeling, and spectroscopic analysis of simulated energy deposition spectra to map the functional dependence of detection performance on the underlying material properties. This assessment is intended to help guide formulation of performance goals for new detector materials within the context of materials discovery programs, with an emphasis on applications in the threat reduction, nonproliferation, and safeguards/ verification user communities. The research results will also provide guidance to the gamma-ray sensor design community in estimating relative spectroscopic performance merits of candidate materials for novel or notional detectors.

Paper Details

Date Published: 28 September 2011
PDF: 12 pages
Proc. SPIE 8142, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII, 81421K (28 September 2011); doi: 10.1117/12.897316
Show Author Affiliations
David V. Jordan, Pacific Northwest National Lab. (United States)
James E. Baciak, Pacific Northwest National Lab. (United States)
Benjamin S. McDonald, Pacific Northwest National Lab. (United States)
Walter K. Hensley, Pacific Northwest National Lab. (United States)
Erin A. Miller, Pacific Northwest National Lab. (United States)
Richard S. Wittman, Pacific Northwest National Lab. (United States)
Edward R. Siciliano, Pacific Northwest National Lab. (United States)


Published in SPIE Proceedings Vol. 8142:
Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII
Larry A. Franks; Ralph B. James; Arnold Burger, Editor(s)

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