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dc.contributor.advisorErickson, Anna S.
dc.contributor.authorRose, Paul B.
dc.date.accessioned2016-01-07T17:40:34Z
dc.date.available2016-01-07T17:40:34Z
dc.date.created2015-12
dc.date.issued2015-12-03
dc.date.submittedDecember 2015
dc.identifier.urihttp://hdl.handle.net/1853/54464
dc.description.abstractActive interrogation of cargo containers employing monoenergetic photons offers an expeditious low-dose approach in pursuit of shielded special nuclear materials. Cherenkov detectors can be used for a variety of purposes, including imaging of the cargo contingent upon gamma ray energies used in interrogation. If the gamma ray energies are sufficiently well separated, as the case in $^{11}$B(d,n-$\gamma$)$^{12}$C reaction resulting in 4.4 MeV and 15.1 MeV photons, spectral analysis using Cherenkov detectors is possible. Applying an array of custom designed Cherenkov detectors reduce undesired low energy background, both natural and scatter from the application environment, while producing the capability of high contrast transmission imaging. Spectral analysis of the image can be used to confirm the presence of high-Z materials by analyzing the relative transmission of the two main energies emitted by exploiting the large difference in Compton Scatter and pair production cross sections. These detectors require a special approach to design and energy calibration due to the lack of resolution in order for spectral analysis to take place. This thesis addresses the design and utility of Cherenkov detectors for active interrogation with monoenergetic photons as well as the results of computational and experimental studies of their energy calibration and application to imaging with material identification.
dc.format.mimetypeapplication/pdf
dc.language.isoen_US
dc.publisherGeorgia Institute of Technology
dc.subjectCherenkov
dc.subjectActive interrogation
dc.titleCherenkov detectors for transmission studies of monoenergetic high-energy photons in active interrogation applications
dc.typeText
dc.description.degreeM.S.
dc.contributor.departmentMechanical Engineering
thesis.degree.levelMasters
dc.contributor.committeeMemberHertel, Nolan E.
dc.contributor.committeeMemberWang, Chris K.
dc.type.genreThesis
dc.date.updated2016-01-07T17:40:34Z


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