Integrated Primary and Special Nuclear Material Alarm Resolution
a technology of alarm resolution and nuclear material, applied in the direction of instruments, nuclear engineering, measurement with scintillation detectors, etc., can solve the problems of blinding all detectors, severe reducing the efficacy of inspection systems, and especially for hydrogenous cargo
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first embodiment
[0106]FIG. 3 is a chart showing a plurality of parameters 300 associated with some embodiments of the present specification. In a first embodiment, shown in row 301, the system uses, as the irradiation probe, x-rays for high resolution radiography and to induce fission events whose signatures can be detected, including prompt neutrons and delayed-gamma rays using the fluorocarbon detector and delayed neutrons using a thermalized neutron detector.
second embodiment
[0107]In a second embodiment, shown in row 302, mono-energetic high-energy gamma rays are employed as the probing radiation to stimulate fissions and allow for the measurement of prompt neutrons, delayed neutrons and delayed-gamma rays.
third embodiment
[0108]In a third embodiment, shown in row 303, fast neutrons are generated from a charged-particle accelerator accelerating, for example deuterons impinging on deuterium target, generating high-energy neutrons to stimulate fission events. The fission events are detected via the resultant prompt neutrons from fast neutron fissions, thermal-neutron fissions, delayed-gamma rays and delayed neutrons also emitted as a result of the fission process.
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