Temporal gamma-ray spectrometry to quantify relative fissile material content Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/xd07gx13s

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  • A new method for delayed gamma-ray spectrometry to quantify the relative content of fissile material is developed and demonstrated to support international efforts in bolstering non-destructive assay capabilities. Previous traditional delayed gamma-ray spectrometry techniques rely upon nuclear data that often carry very high uncertainty. The new method removes the requirement for nuclear data by using the time-dependent decay characteristics of key fission fragment peaks. Having developed the theory and algorithm, the method is demonstrated using empirical fission data to estimate the contents of fissile materials of different compositions. The resultant estimates are accurate within 2% of the actual contents and precise within 2%.
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2013-07-23T19:17:59Z (GMT) No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) WillifordRussellS2013.pdf: 10815526 bytes, checksum: b4825f5ce3d577be6272ccf6499268dd (MD5)

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