Isospin symmetry and giant resonance in nuclei of mass number A = 14
Journal Article
·
· Physics of Atomic Nuclei
An analysis of the cross sections for photon absorption by isobar nuclei {sup 14}C and {sup 14}N in the giant-dipole-resonance region demonstrates a high degree of isospin symmetry for this type of collective excitations in the above nuclei. Giant resonances in A = 14 isobar nuclei are related by a simple rescaling procedure that is based on the fact that, for these nuclei, the isospin remains a good quantum number in the process of dipole excitations of energy up to about 40 MeV. The features of the isospin splitting of the giant resonance in the {sup 14}C nucleus are refined. The shape of the cross section for photoabsorption in the {sup 14}C nucleus-in particular, a large width of the giant resonance in this nucleus-is exhaustively explained.
- OSTI ID:
- 21075865
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 6 Vol. 70; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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