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Deformation effects in neutron scattering from the Sm isotopes. [7 MeV: coupling parameters from coupled-chanels analysis]

Journal Article · · Phys. Rev., C; (United States)
; ; ; ; ; ; ;
Differential cross sections for neutron scattering from four even-A isotopes of Sm have been measured at an incident energy of 7 MeV. Separated isotope samples having enrichments between 87.4 and 99.5% were used, each sample containing about 0.15 moles. Measurements have been separated for elastic and inelastic scattering to the first 2/sup +/ levels of /sup 148/Sm, /sup 150/Sm, and /sup 152/Sm. For /sup 154/Sm the two processes were not separated. The data show directly the striking effects of the difference in coupling between the 0/sup +/ and 2/sup +/ levels of these transitional nuclei. Accurately measured total cross sections and low energy scattering properties have been combined with these 7 MeV results in a coupled-channel analysis. Coupling parameters extracted from the analysis have been shown to be significantly less than the deformation parameters which characterize the charge distributions of the deformed isotopes.
Research Organization:
Centre d'Etudes de Bruyeres-le-Chatel, 92 Montrouge, France
OSTI ID:
7228607
Journal Information:
Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 15:3; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

651725 -- Nuclear Properties & Reactions
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651825* -- Nuclear Properties & Reactions
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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
COUPLED CHANNEL THEORY
COUPLING
CROSS SECTIONS
DEFORMED NUCLEI
DIFFERENTIAL CROSS SECTIONS
ELASTIC SCATTERING
ENERGY LEVELS
ENERGY RANGE
HADRON REACTIONS
INELASTIC SCATTERING
MEV RANGE
MEV RANGE 01-10
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
SAMARIUM 148 TARGET
SAMARIUM 150 TARGET
SAMARIUM 152 TARGET
SAMARIUM 154 TARGET
SCATTERING
TARGETS