Noble gas detector for fissile content determination
US9632188B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 2, 2011 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Jan 2, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V5/281
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and a system for fissile content measurement that utilizes a detector configured to detect fast neutrons. An external radiation source may be used to induce fission in a sample to allow the measurement of a fissile material of the sample with a low spontaneous fission probability. Analyzing the sample may be based on the energy spectrum of emitted neutrons. That is, the energy information regarding the energy of the fast neutrons is obtained, and the fast neutrons as having a high likelihood of originating in a nuclear fission process as opposed to originating in an (alpha,n) reaction by utilizing the obtained energy information are classified to analyze the sample. Alternatively, a position of interaction in the detector of neutron emitted by the sample is measured, and this position is retraced back through intervening material(s) between the detector and the sample to determine the spacial geometry of the sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.