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Microscopic structure of fundamental excitations in N = Z nuclei
- Satula, W. (author)
-
- Wyss, Ramon (author)
- KTH,Fysik
- (creator_code:org_t)
- 2001
- 2001
- English.
- In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 8705:5
- Journal article (peer-reviewed)
Abstract
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- An extended mean-field model is presented that describes states of different isospin in odd-odd and even-even nuclei. Excitation energies of the T = 1 states in even-even as well as T = 0 and T = 1 states in odd-odd N = Z nuclei are calculated. It is shown that the structure of these states can be determined in a consistent manner when both isoscalar and isovector pairing collectivity as well as isospin projection (treated here within the isocranking approximation) are taken into account. In particular, in odd-odd N = Z nuclei, the interplay between quasiparticle excitations (relevant for the case of T = 0 states) and isorotations (relevant for the case of T = 1 states) explains the near degeneracy of these states.
Keyword
- symmetry
- model
- n=z
Publication and Content Type
- ref (subject category)
- art (subject category)
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