2004
DOI: 10.1023/b:jrnc.0000037107.17274.16
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Universal curve of the thermal neutron self-shielding factor in foils, wires, spheres and cylinders

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Cited by 45 publications
(48 citation statements)
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“…Neutron interaction -nuclear similarity. Gr -group number; name -group name; n -number of samples, Σ eff --mean macroscopic effective absorption cross section; Σ sc /Σ tot -ratio of mean values of macroscopic to total macroscopic cross section; L-diffusion lengths in cm; f m -self-shielding according to [13], f c , f s -self-shielding of cylinder, sphere; f sc -self shielding for cylinder corrected according to [9,10] Results for each of the 18 groups are given in 6 tables for each group, altogether more than 100 tables. Only a short list of what was calculated can be given in the short text.…”
Section: Neutron Interaction -Nuclear Similaritymentioning
confidence: 99%
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“…Neutron interaction -nuclear similarity. Gr -group number; name -group name; n -number of samples, Σ eff --mean macroscopic effective absorption cross section; Σ sc /Σ tot -ratio of mean values of macroscopic to total macroscopic cross section; L-diffusion lengths in cm; f m -self-shielding according to [13], f c , f s -self-shielding of cylinder, sphere; f sc -self shielding for cylinder corrected according to [9,10] Results for each of the 18 groups are given in 6 tables for each group, altogether more than 100 tables. Only a short list of what was calculated can be given in the short text.…”
Section: Neutron Interaction -Nuclear Similaritymentioning
confidence: 99%
“…The self-shielding factor was calculated by five different methods. Two of them were calculated according to the oldest and simplest Nisle formula [12] and according to the latest method by Martinho et al [13]. The next three values are self-shielding for a cylinder and a sphere, and for a cylinder with scattering correction [9,10].…”
Section: Neutron Interaction -Nuclear Similaritymentioning
confidence: 99%
“…O fator de autoblindagem térmico pode ser calculado, assumindo um fluxo de nêutrons isotrópicos através da seguinte equação [10,11] :…”
Section: Autoblindagem (G) E Depressão De Fluxo (H)unclassified
“…O fator de perturbação é principalmente dado pelo fator autoblindagem, O fator G experimental foi dado pela razão da taxa de reação por núcleo alvo da folha de ouro puro pela de ouro diluído [42][ 43] , ou seja, …”
Section: Fatores De Correção Para a Perturbação Do Fluxo De Nêutronsunclassified