TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

RADIOACTIVE CHAIN [1 record]

Record 1 - external organization data 2001-06-13

English

Subject field(s)
  • Atomic Physics
  • Compartment - Canadian Nuclear Safety Commission
DEF

Succession of nuclides, each of which transforms by radioactive disintegration into the next until a stable nuclide results. The first member is called the "parent", the intermediate members are called "daughters" and the final stable member is called the "end product".

OBS

"Radioactive series" is considered by most specialized sources as a synonym for "radioactive family" (see that other record).

OBS

decay chain: term standardized by ISO.

French

Domaine(s)
  • Physique atomique
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Série de nucléides dans laquelle chaque élément se transforme en l'élément suivant par une désintégration radioactive (à l'exception de la fission spontanée), jusqu'à formation d'un nucléide stable. [Définition normalisée par l'ISO.]

CONT

Les noyaux de masses moyennes résultant de la rupture des noyaux fissiles lourds sont très radioactifs. Ils sont eux-mêmes à l'origine de chaînes de décroissance radioactive comportant en moyenne trois nucléides successifs jusqu'à l'obtention d'un nuclide stable.

OBS

chaîne de désintégration : terme normalisé par l'ISO.

OBS

Voir aussi «famille radioactive».

Spanish

Campo(s) temático(s)
  • Física atómica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
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