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Proceedings Paper

Compton imaging with a planar semiconductor system using pulse shape analysis
Author(s): Anthony Sweeney; Andrew J. Boston; Helen C. Boston; John P. Cresswell; Jamie Dormand; Mark Ellis; Laura J. Harkness; Martin Jones; Daniel S. Judson; Paul J. Nolan; David C. Oxley; David P. Scraggs; Mike J. Slee; Amandeep Thandi
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Paper Abstract

Homeland security agencies have a requirement to locate and identify nuclear material. Compton cameras [1, 2] offer a more efficient method of gamma-ray detection than collimated detector systems. The resolution of the interaction positions within the detectors greatly influences the accuracy of a reconstructed Compton image. Utilizing digital electronics and applying pulse shape analysis [3] allows the spatial resolution to be enhanced beyond the pixel granularity in three dimensions. Analytically reconstructed Compton images from a range of radiation sources shall be presented with and without pulse shape analysis showing the improvements gained along with a discussion of our analysis methods.

Paper Details

Date Published: 3 June 2011
PDF: 11 pages
Proc. SPIE 8018, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XII, 80180J (3 June 2011); doi: 10.1117/12.883876
Show Author Affiliations
Anthony Sweeney, Univ. of Liverpool (United Kingdom)
Andrew J. Boston, Univ. of Liverpool (United Kingdom)
Helen C. Boston, Univ. of Liverpool (United Kingdom)
John P. Cresswell, Univ. of Liverpool (United Kingdom)
Jamie Dormand, Univ. of Liverpool (United Kingdom)
Mark Ellis, Atomic Weapons Establishment (United Kingdom)
Laura J. Harkness, Univ. of Liverpool (United Kingdom)
Martin Jones, Univ. of Liverpool (United Kingdom)
Daniel S. Judson, Univ. of Liverpool (United Kingdom)
Paul J. Nolan, Univ. of Liverpool (United Kingdom)
David C. Oxley, Univ. of Liverpool (United Kingdom)
David P. Scraggs, Univ. of Liverpool (United Kingdom)
Mike J. Slee, Univ. of Liverpool (United Kingdom)
Amandeep Thandi, Atomic Weapons Establishment (United Kingdom)

Published in SPIE Proceedings Vol. 8018:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XII
Augustus W. Fountain; Patrick J. Gardner, Editor(s)

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