DocumentCode
987986
Title
Observation of 238U photofission products
Author
Wehe, D.K. ; Yang, H. ; Jone, M.H.
Author_Institution
Dept. of Nucl. Eng. & Radiol. Sci., Michigan Univ., Ann Arbor, MI, USA
Volume
53
Issue
3
fYear
2006
fDate
6/1/2006 12:00:00 AM
Firstpage
1430
Lastpage
1434
Abstract
Sophisticated solutions are being developed by researchers to improve detection of clandestine fissile material. In this work, a simpler approach is investigated as an interim solution. Using the existing 9-MeV X-ray radiography units deployed for cargo inspection, delayed fission product gamma rays from induced photofission are seen minutes after probing a small sample of 238U. By acquiring both time and energy information, a relatively large number of usable fission products can be identified. Using the radiographic images along with an efficient portable scintillator capable of detecting gamma rays above 3 MeV may provide a cost-effective improvement to existing inspection systems.
Keywords
X-ray spectroscopy; fission of uranium; fission products; gamma-ray detection; photofission; radiography; 238U photofission products; X-ray radiography units; cargo inspection; clandestine fissile material detection; cost-effective improvement; delayed fission product gamma rays; efficient portable scintillator capable; gamma ray detection; interim solution; radiographic images; time-energy information; Delay; Gamma ray detection; Gamma ray detectors; Gamma rays; Inspection; Laboratories; Neutrons; Radiation detectors; Radioactive decay; Radiography; Accelerator; inspection; radiation detectors; special nuclear material;
fLanguage
English
Journal_Title
Nuclear Science, IEEE Transactions on
Publisher
ieee
ISSN
0018-9499
Type
jour
DOI
10.1109/TNS.2006.875154
Filename
1645057
Link To Document