Induced nuclear reactions: processes – systems – and elements – Detection of radiation by an induced nuclear reaction – By fission
Patent
1991-08-15
1992-11-17
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Detection of radiation by an induced nuclear reaction
By fission
376253, 250328, 25037003, G01T 100
Patent
active
051641496
ABSTRACT:
The present invention is directed to a nuclide separation precipitator system in which noble gas nuclear fission products are introduced into a gas reservoir and generate charged daughter nuclides in the gas reservoir. A collector collects three detectable charged daughter nuclides. A detector detects the energy distributions of beta-rays and gamma-rays emitted from the daughter nuclides collected in the collector and outputs signals indicative of the detected beta-rays and gamma-rays. Three pulse height discriminators discriminate the signals output from the detector into three respective energy levels of a low energy range, a middle energy range, and a high energy range. A first order simultaneous equation of three unknowns obtained by utilizing a fact that counting ratios of the three energy ranges vary for each daughter nuclide is then solved.
REFERENCES:
patent: 3723736 (1973-03-01), Laney
patent: 3784823 (1974-01-01), Kostic et al.
patent: 4005292 (1977-01-01), Oesterlin et al.
patent: 4628205 (1986-12-01), van Cauter et al.
Japan Atomic Energy Research Institute
Wasil Daniel D.
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