TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
COINCIDENCE COUNTING [2 records]
Record 1 - internal organization data 2010-03-01
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
- Nuclear Physics
Record 1, Main entry term, English
- neutron coincidence counting
1, record 1, English, neutron%20coincidence%20counting
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- coincidence counting 2, record 1, English, coincidence%20counting
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Neutron coincidence counting. There is an important difference between the distribution in time of neutrons from an ([alpha],n) source and from a spontaneous fission source. The neutrons from an ([alpha],n) source are emitted at random times, unrelated to each other, whereas neutrons from spontaneous fission sources are emitted in small, time correlated groups. The size of these groups is determined by the neutron leakage multiplication. The technique of neutron coincidence counting can detect the existence, or absence, of these groups and thus establish the presence, or absence, of a spontaneous fission source. 1, record 1, English, - neutron%20coincidence%20counting
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
- Physique nucléaire
Record 1, Main entry term, French
- comptage neutronique en coïncidence
1, record 1, French, comptage%20neutronique%20en%20co%C3%AFncidence
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- comptage des coïncidences neutroniques 1, record 1, French, comptage%20des%20co%C3%AFncidences%20neutroniques
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Le comptage neutronique en coïncidence est la méthode non destructive de référence dans le cadre du contrôle des matières nucléaires, pour ce qui concerne la mesure de masse de plutonium dans les échantillons. De nos jours, la plupart des systèmes de comptage neutronique en coïncidence sont basés sur une technologie de type analogique-logique. Le signal analogique provenant des tubes à He-3 est traité par des amplificateurs qui produisent un train d'impulsions logiques TTL [transistor-transistor logic] qui alimente un analyseur d'impulsions et permet une analyse des corrélations temporelles. 1, record 1, French, - comptage%20neutronique%20en%20co%C3%AFncidence
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1996-04-04
Record 2, English
Record 2, Subject field(s)
- Analytical Chemistry
Record 2, Main entry term, English
- coincidence counting
1, record 2, English, coincidence%20counting
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A method of distinguishing particular types of events from background events and of measuring the velocities or directions of particles, by registering the occurrence of counts in two or more particle detectors within a given time interval by means of coincidence circuits. 2, record 2, English, - coincidence%20counting
Record 2, French
Record 2, Domaine(s)
- Chimie analytique
Record 2, Main entry term, French
- comptage de coincidences
1, record 2, French, comptage%20de%20coincidences
proposal, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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