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INTERROGATION NEUTRON [1 record]
Record 1 - internal organization data 2011-12-22
Record 1, English
Record 1, Subject field(s)
- Atomic Physics
- Analytical Chemistry
- Nuclear Physics
Record 1, Main entry term, English
- interrogation neutron
1, record 1, English, interrogation%20neutron
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A number of devices are available to assay Contact Handled-Transuranic (CH-TRU) for fissile material. One assay technique employs a pulsed fast-neutron source of 108 neutron/second to provide interrogation neutrons that upon thermalization produce fissions in any fissile material. The fission neutrons, counted using3He detector packs, are separated from the interrogation neutrons by their longer die-away time. 1, record 1, English, - interrogation%20neutron
Record 1, French
Record 1, Domaine(s)
- Physique atomique
- Chimie analytique
- Physique nucléaire
Record 1, Main entry term, French
- neutron interrogateur
1, record 1, French, neutron%20interrogateur
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La quantification non destructive de la masse de noyaux lourds au moyen de la mesure neutronique active repose sur la stimulation de la réaction de fission et la mesure des neutrons qui en découlent. Cela suppose une source de particules interrogatrices (source isotopique, générateur de neutrons, accélérateur d’électrons...), une enceinte de thermalisation destinée à ralentir et à maintenir les neutrons interrogateurs à des énergies où les sections efficaces de fission associées aux isotopes recherchés sont optimales et, enfin, un dispositif de détection pour la mesure des neutrons. Le signal neutronique de fission est directement lié à la masse de matière qui a fissionné. Sa connaissance permet, étalonnage à l’appui, de quantifier cette masse. 1, record 1, French, - neutron%20interrogateur
Record 1, Spanish
Record 1, Textual support, Spanish
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