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ANALYSE ACTIVATION GAMMA PROMPTS [1 record]

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Record 1 2009-11-10

English

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

Prompt-gamma activation analysis (PGAA or PGNAA) is a nuclear analytical technique for non-destructive determination of elemental and isotopic compositions. The sample is irradiated in a neutron beam and the gamma-rays from the radiative capture are detected. All elements can be analyzed (except helium), without any prior information on the analyte.

French

Domaine(s)
  • Physique atomique
  • Physique nucléaire
CONT

Il existe deux types d'installations suivant que l'irradiation et la mesure sont simultanées ou non : - dans le premier cas, l'échantillon est placé à l'extérieur du réacteur, par exemple sur le trajet d'un guide à neutrons; le détecteur est placé à proximité et enregistre la radioémission des isotopes formés en continu. Il s'agit alors d'analyse par activation de gamma prompts (AAGP) [...]

Spanish

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