Induced nuclear reactions: processes – systems – and elements – Detection of radiation by an induced nuclear reaction
Patent
1982-07-07
1985-02-05
Cangialosi, Sal
Induced nuclear reactions: processes, systems, and elements
Detection of radiation by an induced nuclear reaction
376157, 376257, G21C 1700
Patent
active
044977689
ABSTRACT:
Simultaneous photon and neutron interrogation of samples for the quantitative determination of total fissile nuclide and total fertile nuclide material present is made possible by the use of an electron accelerator. Prompt and delayed neutrons produced from resulting induced fissions are counted using a single detection system and allow the resolution of the contributions from each interrogating flux leading in turn to the quantitative determination sought. Detection limits for .sup.239 Pu are estimated to be about 3 mg using prompt fission neutrons and about 6 mg using delayed neutrons.
REFERENCES:
patent: 2902613 (1959-09-01), Baldwin et al.
patent: 3496357 (1970-02-01), Weinzierl et al.
patent: 3636353 (1972-01-01), Untermyer et al.
Nucl. Inst. & Meth., 193, 571 (1982) Franks et al.
Caldwell John T.
Cates Michael R.
Franks Larry A.
Kunz Walter E.
Cangialosi Sal
Freund Samuel M.
Gaetjens Paul D.
The United States of America as represented by the United States
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