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Guillaume, G.; Fintz, P.; Gallmann, A.; Jundt, F.; Riedinger-Ordonez, I.; Sioshansi, P.
Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires1978
Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires1978
AbstractAbstract
[en] The 40Ca(16O,3pγ)53Mn reaction has been used at a beam energy of 45MeV to search for high spin states in 53Mn. By means of techniques of in-beam γ-ray spectroscopy, the excitation functions, γ-γ coincidences, angular distributions, linear polarizations and simplified triple angular correlations were measured. A new decay scheme for high spin states is given. For the following levels (MeV), spin-parity assignments are deduced 2.56, 13/2- (confirmed); 3.44, 15/2-; 4.38, 17/2-; 5.61, 19/2-; 6.53, 21/2-; 7.00, 23/2-. Mixing ratios are also reported. It is only with this spin sequence that the experimental populations of these states are well reproduced by compound nucleus evaporation calculations. High-spin states are successfully interpreted by including neutron excitations out of the fsub(7/2) shell
[fr]
La reaction 40Ca(16O,3pγ)53Mn a une energie incidente de 45MeV a ete utilisee pour rechercher des etats de haut spin dans 53 Mn. Avec des techniques de spectroscopie gamma on a mesure les fonctions d'excitation, les coincidences gamma-gamma, les distributions angulaires, les polarisations lineaires et les correlations angulaires triples simplifiees. Un nouveau schema de niveaux a ete etabli pour les etats de haut spin. Pour les niveaux suivants (MeV) les assignements parite-spin ont ete determines 2.56, 13/2-(confirme), 3.44, 15/2-; 4.38, 17/2-; 5.61, 19/2-; 6.53, 21/2-; 7.00, 23/2-. Les rapports de melange sont egalement donnes. C'est seulement avec cette sequence de spin que les peuplements de ces etats sont reproduits en bon accord avec les calculs de noyau compose. Les etats de haut spin sont interpretes en introduisant l'excitation d'un neutron hors de la couche f7/2Original Title
Etats de haut spin dans 53Mn
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Source
1978; 27 p
Record Type
Report
Literature Type
Numerical Data
Report Number
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BETA DECAY RADIOISOTOPES, CORRELATIONS, DATA, DATA FORMS, ELECTRON CAPTURE RADIOISOTOPES, ENERGY LEVELS, ENERGY RANGE, HEAVY ION REACTIONS, INFORMATION, INTERMEDIATE MASS NUCLEI, ISOTOPES, MANGANESE ISOTOPES, MEV RANGE, NUCLEAR REACTIONS, NUCLEI, NUCLEOSYNTHESIS, NUMERICAL DATA, ODD-EVEN NUCLEI, RADIOISOTOPES, TARGETS, YEARS LIVING RADIOISOTOPES
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