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- Title
Identification of mixed-symmetry states in odd- A <sup>93</sup>Nb.
- Authors
McKay, C. J.; Orce, J. N.; Lesher, S. R.; Bandyopadhyay, D.; McEllistrem, M. T.; Fransen, C.; Jolie, J.; Linnemann, A.; Pietralla, N.; Werner, V.; Yates, S. W.
- Abstract
The low-spin structure of 93Nb has been studied using the (n,n’γ) reaction at neutron energies ranging from 1.5 to 2.6MeV and the 94Zr(p, 2nγ)93Nb reaction at bombarding energies from 11.5 to 19MeV. Excitation functions, lifetimes, and branching ratios were measured, and multipolarities and spin assignments were determined. The Jπ = 3/2- and 5/2- states at 1840 and 2013keV, respectively, are identified as mixed-symmetry states associated with the $\ensuremath{(2_{1,{\rm ms}}^{+}) \otimes 2_{p_{1/2}}}$ particle-core coupling. These assignments are in agreement with energy systematics, spins and parities, and the observed strong M1 transitions to the 2 p1/2 one-phonon structure.
- Subjects
NEUTRONS; NUCLEAR reactions; SYMMETRY (Physics); NUCLEAR physics; PHYSICS
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2005, Vol 25, p377
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epjad/i2005-06-047-7