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GAMMA RAY PHOTON [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2011-10-11

English

Subject field(s)
  • Radiological Physics (Theory and Application)
  • Medical Imaging
  • Chemistry
  • Compartment - Canadian Nuclear Safety Commission
DEF

The scattering of an X-ray or gamma ray photon upon impact with an electron within an atom accompanied by transfer of a part of the photon's energy to the electron with consequent loss of frequency.

OBS

Compton effect: term standardized by ISO.

French

Domaine(s)
  • Physique radiologique et applications
  • Imagerie médicale
  • Chimie
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Processus d'interaction entre matière et rayonnement électromagnétique dû à la diffusion du rayonnement par les électrons des atomes.

OBS

Cette diffusion entraîne une perte d'énergie du photon incident et la différence d'énergie est communiquée à l'électron.

OBS

effet Compton : terme normalisé par l'ISO.

Spanish

Campo(s) temático(s)
  • Física radiológica (Teoría y aplicación)
  • Radiación (Medicina)
  • Química
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Save record 1

Record 2 2008-12-19

English

Subject field(s)
  • Radiological Physics (Theory and Application)
DEF

The probability that an X-ray or gamma ray photon will interact with the material it is traversing per unit path length travelled.

OBS

This value basically accounts for the number of atoms in a cubic cm volume of material and the probability of a photon being scattered or absorbed from the nucleus or an electron of one of these atoms.

French

Domaine(s)
  • Physique radiologique et applications
CONT

Le coefficient d'atténuation linéique, ou la probabilité d'interaction par unité de longueur des photons avec un matériau, reflète les différentes interactions élémentaires des photons avec les constituants de la matière.

Spanish

Save record 2

Record 3 - external organization data 2005-07-15

English

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

An incident gamma ray reacts with an electron in an atomic orbit. The gamma photon gives all of its energy to the orbiting electron and ceases to exist. The electron is ejected from the atom and behaves like a beta particle. The ejected electron is called a photoelectron.

French

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

Un rayon gamma incident heurte un électron sur une orbite atomique, il lui cède toute son énergie et cesse d'exister. L'électron est éjecté de l'atome et se comporte comme une particule bêta, on appelle cet électron éjecté photoélectron.

Spanish

Save record 3

Record 4 - external organization data 2005-07-15

English

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

A gamma photon has more energy than most x ray photons, which in turn have more energy than ultra-violet photons and so on, down to the longest wave length radio waves.

Key term(s)
  • ultraviolet photon

French

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

Un photon gamma possède plus d'énergie que la plupart des photons X, lesquels sont plus énergétiques que les photons ultraviolets, et ainsi de suite jusqu'aux ondes radio les plus longues.

Key term(s)
  • photon ultra-violet

Spanish

Save record 4

Record 5 - external organization data 2005-07-15

English

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

A gamma photon has more energy than most x ray photons, which in turn have more energy than ultra-violet photons and so on, down to the longest wave length radio waves.

Key term(s)
  • x-ray photon

French

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

Un photon gamma possède plus d'énergie que la plupart des photons X, lesquels sont plus énergétiques que les photons ultraviolets, et ainsi de suite jusqu'aux ondes radio les plus longues.

Spanish

Save record 5

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