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ZERO FISSION CROSS SECTION [1 record]

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Record 1 - external organization data 2005-08-05

English

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

Uranium-235 has a fission cross-section of 580 barns for thermal neutrons, but makes up only 0.7% of natural uranium. The other 99.3% is U-238, which has a zero fission cross-section for thermal neutrons.

Key term(s)
  • zero fission cross section

French

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

La section efficace de fission de l'uranium 235 par des neutrons est de 580 barns. Toutefois, cet isotope ne constitue que 0,7 % de l'uranium naturel. Le reste, 99,3 %, est composé d'uranium 238, dont la section efficace pour les neutrons thermiques est nulle.

Spanish

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