TERMIUM Plus®

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

BETA PARTICLE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2015-05-04

English

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

An electron, of either positive charge (β+) or negative charge (β-), which has been emitted by an atomic nucleus or neutron in the process of a transformation.

CONT

Beta particles are high-velocity electrons (negatively charged) or positrons (positively charged). They are about one ten-thousandth the mass of an alpha particle and consequently can penetrate tissue and material more readily; an average energy beta particle can penetrate about one centimetre of tissue or water. However, to do damage, beta-emitting material must be ingested or be in direct contact with the body surface.

OBS

The term "beta-rays" signifies radiation composed of β-particles.

Key term(s)
  • β-particle

French

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

Particule légère produite lors de la décroissance radioactive.

OBS

Elle peut porter une charge électrique positive ou négative et a la même masse qu'un électron.

Key term(s)
  • particule β

Spanish

Save record 1

Record 2 2014-07-31

English

Subject field(s)
  • Atomic Physics
  • Nuclear Physics
DEF

An electron or positron, which has been emitted by an atomic nucleus or neutron in a nuclear transformation.

OBS

beta particle: term and definition standardized by ISO in 1997.

French

Domaine(s)
  • Physique atomique
  • Physique nucléaire
DEF

Électron de charge positive ou négative qui a été émis par un noyau atomique ou un neutron au cours d'une transformation nucléaire.

OBS

particule bêta : terme et définition normalisés par l'ISO en 1997.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Física nuclear
Key term(s)
  • partícula β
Save record 2

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