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Energy transfer moments in thermalization; Les moments dei transfert d'energie en thermalisation

Abstract

For all moderators of the 'incoherent gaussian' type, it is possible to calculate, at any temperature, the energy transfer moments as a function of the incident energy without having to use the differential sections. Integral formulae are derived for the integral cross-section, the first and the second moment, which make it possible to tabulate directly these three functions in a few minutes calculation on IBM 7094, for the most part models proposed in the literature for the common moderators. (authors) [French] Pour tous les moderateurs de type 'incoherent gaussien' on peut calculer, a n'importe quelle temperature, les moments de transfert d'energie en fonction de l'energie incidente, sans passer par l'intermediaire des sections differentielles. On developpe des formules integrales pour la section efficace integrale, le premier et le second moment, qui permettent de tabuler directement ces trois fonctions en quelques minutes de calcul sur IBM 7094, pour la plupart des modeles proposes dans la litterature pour les moderateurs usuels. (auteurs)
Authors:
Soule, J L; Pillard, D [1] 
  1. Commissariat a l'Energie Atomique, Saclay (France). Centre d'Etudes Nucleaires
Publication Date:
Jul 01, 1964
Product Type:
Technical Report
Report Number:
CEA-R-2472
Resource Relation:
Other Information: 12 refs
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ENERGY TRANSFER; INTEGRAL CROSS SECTIONS; INTEGRAL EQUATIONS; LAGUERRE POLYNOMIALS; M CODES; MODERATORS; MOMENTS METHOD; S CODES; THERMALIZATION
OSTI ID:
20771722
Research Organizations:
CEA Saclay, 91 - Gif-sur-Yvette (France)
Country of Origin:
France
Language:
French
Other Identifying Numbers:
TRN: FR06R2472077151
Availability:
Available from INIS in electronic form
Submitting Site:
FRN
Size:
28 pages
Announcement Date:
Oct 14, 2006

Citation Formats

Soule, J L, and Pillard, D. Energy transfer moments in thermalization; Les moments dei transfert d'energie en thermalisation. France: N. p., 1964. Web.
Soule, J L, & Pillard, D. Energy transfer moments in thermalization; Les moments dei transfert d'energie en thermalisation. France.
Soule, J L, and Pillard, D. 1964. "Energy transfer moments in thermalization; Les moments dei transfert d'energie en thermalisation." France.
@misc{etde_20771722,
title = {Energy transfer moments in thermalization; Les moments dei transfert d'energie en thermalisation}
author = {Soule, J L, and Pillard, D}
abstractNote = {For all moderators of the 'incoherent gaussian' type, it is possible to calculate, at any temperature, the energy transfer moments as a function of the incident energy without having to use the differential sections. Integral formulae are derived for the integral cross-section, the first and the second moment, which make it possible to tabulate directly these three functions in a few minutes calculation on IBM 7094, for the most part models proposed in the literature for the common moderators. (authors) [French] Pour tous les moderateurs de type 'incoherent gaussien' on peut calculer, a n'importe quelle temperature, les moments de transfert d'energie en fonction de l'energie incidente, sans passer par l'intermediaire des sections differentielles. On developpe des formules integrales pour la section efficace integrale, le premier et le second moment, qui permettent de tabuler directement ces trois fonctions en quelques minutes de calcul sur IBM 7094, pour la plupart des modeles proposes dans la litterature pour les moderateurs usuels. (auteurs)}
place = {France}
year = {1964}
month = {Jul}
}