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TOTAL DISINTEGRATION CONSTANT [1 record]

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Alphabetical list of terms

Record 1 2010-04-08

English

Subject field(s)
  • Atomic Physics
DEF

The probability by unit of time that an atom disintegrates.

French

Domaine(s)
  • Physique atomique
CONT

Constante de désintégration radioactive. Activité d'un radionucléide. Soit N(t) le nombre de noyau x radioactifs de même nature présents à un instant t. On appelle constante de désintégration totale, la probabilité par unité de temps qu'un atome se désintègre. On la désigne habituellement par la lettre [lambda]. Elle est caractéristique d'un isotope donné.

Spanish

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