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Keywords:

  • 0+ states;
  • two-nucleon transfer reactions;
  • RPA

Abstract

Excited Kπ = 0+ states in 156,158,160,162 Gd isotopes are studied by using the pairing plus quadrupole model (PPQ). To determine the nature and the general trend of the properties of these states depending on the neutron number, B(E2), ρ2(E0) values and two-nucleon transfer strengths are calculated. We observe that by means of the PPQ model, approximately 13-14 0+ states can be obtained up to 3.3 MeV for the nuclei in question, where most of them are two-quasiparticle (2qp) in character.