TERMIUM Plus®

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THRESHOLD REACTION [1 record]

Record 1 2010-09-27

English

Subject field(s)
  • Nuclear Physics
DEF

A nuclear reaction which takes place only if the incident particle possesses an energy at least equal to the threshold energy.

OBS

Sometimes the term is applied to reactions for which there is a small probability below a certain energy value and a large probability above the value.

OBS

threshold reaction: term standardized by ISO.

French

Domaine(s)
  • Physique nucléaire
DEF

Réaction nucléaire qui a lieu seulement si la particule incidente possède une énergie au moins égale au seuil d'énergie.

OBS

Ce terme s'applique parfois à des réactions pour lesquelles il existe une faible probabilité au-dessous d'une certaine valeur d'énergie et une forte probabilité au-dessus de cette valeur.

OBS

réaction à seuil : terme normalisé par l'ISO.

Spanish

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