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FAMILLE RADIOACTIVE [1 record]

Record 1 2001-06-13

English

Subject field(s)
  • Atomic Physics
DEF

A number of radioactive nuclides, each except the first being the daughter product of the previous one; the final member, the end product, although stable, is included in the family.

CONT

Uranium is a naturally occurring radioactive element that is also widely distributed on earth. Throughout the decay of uranium, a cascade of different radionuclides (a decay series) is formed until stable, non-radioactive lead is reached. One important member of the Uranium 238 decay series, the commonest form of uranium, is Radium 226.

OBS

Compare with "decay chain".

Key term(s)
  • series
  • family

French

Domaine(s)
  • Physique atomique
DEF

Ensemble de nucléides radioactifs dans lequel chaque membre engendre le suivant par transmutation spontanée jusqu'à l'obtention d'un dernier membre non radioactif.

CONT

On appelle produits de filiation les différents produits des désintégrations successives à partir du nucléide radioactif initial, appelé «père»; tous ces produits forment une «famille radioactive».

Key term(s)
  • famille
  • série

Spanish

Campo(s) temático(s)
  • Física atómica
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