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Proton-neutron structure of first and second quadrupole excitations of 90Sr

  • A. P. Severyukhin
  • N. N. Arsenyev
  • N. Pietralla
  • V. Werner
Regular Article - Theoretical Physics
  • 59 Downloads

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 88, 90Sr and 90, 92Zr. 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 90Sr, \(g(2_{2}^{+})=+0.03\) in comparison to \( +0.31\) in the case of 92Zr.

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Copyright information

© SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • A. P. Severyukhin
    • 1
    • 2
  • N. N. Arsenyev
    • 1
  • N. Pietralla
    • 3
  • V. Werner
    • 3
  1. 1.Bogoliubov Laboratory of Theoretical PhysicsJoint Institute for Nuclear ResearchDubnaRussia
  2. 2.Dubna State UniversityDubnaRussia
  3. 3.Institut für KernphysikTechnische Universität DarmstadtDarmstadtGermany

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