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ATOMIC EXCITATION [1 record]

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Record 1 - external organization data 2006-01-24

English

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

Alpha particles with their charge of +2 and their mass of 4 µ create intense ionization. In dry air the alpha generates about 50,000 ion-pairs per centimeter of its path, giving up about 34 eV per pair produced. ... Near the end of its path, it transfers some energy to neighbouring atoms by atomic excitation.

French

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

Avec leur charge de +2 et leur masse de 4 µ, les particules alpha créent une ionisation intense. En traversant de l'air sec, une particule alpha produit environ 50 000 paires d'ions par centimètre et perd environ 34 eV par paire produite. [...] Vers la fin de son parcours, elle transmet un peu d'énergie aux atomes avoisinants par excitation atomique.

Spanish

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