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- Title
Proton-neutron structure of first and second quadrupole excitations of Sr.
- Authors
Severyukhin, A.; Arsenyev, N.; Pietralla, N.; Werner, V.
- Abstract
Starting from the Skyrme interaction $f_{-}$ together with the density-dependent pairing interaction, we study the g factors for the $2_{1,2}^{+}$ excitations of Sr and Zr. The coupling between one- and two-phonon terms in the wave functions of excited states is taken into account within the finite-rank separable approximation. Using the same set of parameters we describe available experimental data and give the prediction for Sr, $g(2_{2}^{+})=+0.03$ in comparison to $ +0.31$ in the case of Zr.
- Subjects
NEUTRON-proton interactions; NUCLEAR structure; SKYRME model; QUADRUPOLES; STRONTIUM; EXCITED states; WAVE functions
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2018, Vol 54, Issue 1, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2018-12451-4