Published 1964 | Version v1
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Pile oscillator measurements of thermal absorption cross sections of Al, Mg, Fe and Cu

  • 1. Commissariat a l'Energie Atomique, Saclay (France). Centre d'Etudes Nucleaires

Description

The phase oscillation technique used at ZOE has the property of reducing of a marked factor the effect of neutron scattering by the sample. The absorption cross sections of poorly absorbing and highly scattering materials have been measured; for neutrons of 2,200 m/s, the following values are obtained: 229 ± 3 mb for Al; 64.2 ± 1.5 mb for Mg, 2.53 ± 0.03 b for Fe and 3.74 ± 0.04 b for Cu. (authors)

Availability note (English)

Available from INIS in electronic form

Abstract (French)

La methode d'oscillation de phase utilisee a ZOE possede la propriete de diminuer d'un facteur important l'influence de la diffusion. Les sections efficaces de capture de materiaux peu capturants et tres diffusants, ont ete mesurees; pour des neutrons de 2200 m/s, on obtient pour l'Al: 229 ± 3mb, pour le Mg: 64,2 ± 1,5 mb, pour le Fe: 2,53 ± 0,03 b et pour le Cu: 3,74 ± 0,04 b. (auteurs)

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Additional details

Additional titles

Original title (French)
Mesure des sections efficaces thermiques d'absorption de l'Al, du Mg, du Fe et du Cu par la methode d'oscillation

Publishing Information

Imprint Pagination
20 p.
Report number
CEA-R--2485

Optional Information

Notes
19 refs.