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- Title
Investigation of αγ Angular Correlations in the Reaction [sup 15]N(p,αγ)[sup 12]C Induced by 7.5-MeV Protons.
- Authors
Ignatenko, A. V.; Lebedev, V. M.; Orlova, N. V.; Spassky, A. V.
- Abstract
The double-differential cross sections for the reaction [sup 15]N(p, αγ)[sup 12]C induced by 7.5-MeV protons are measured for alpha-particle emission angles from 20° to 160°. All even spin-tensor components of the density matrix for the 2[sup +] state (4.44 MeV) of the final nucleus are reconstructed by a model-independent method. For the same state of the carbon nucleus, the populations of magnetic sublevels and the components of the angular-momentum-orientation tensor are analyzed as functions of the alpha-particle emission angle. Our experimental data are compared with theoretical predictions based on the triton-cluster-pickup mechanism treated within the coupled-channel method. It is shown that correlation features are sensitive to the reaction mechanism and to structural characteristics of the nuclei involved. The role of sequential processes is emphasized.
- Subjects
NUCLEAR reactions; PROTONS; NITROGEN; CARBON
- Publication
Physics of Atomic Nuclei, 2000, Vol 63, Issue 9, p1489
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/1.1312881