N=50 Core Excited States Studied in the 96Pd Nucleus

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The four-proton hole Pd-96 neighbor of the doubly-magic Sn-100 nucleus was studied in-beam, using a fusion-evaporation reaction of a Ni-58 beam on a Sc-45 target. States of Pd-96 were established up to an excitation energy of 9707 keV. A core-excited odd-parity isomer with T-1/2 = 37.7(1.1) ns was identified. Shell model calculations were performed in four different model spaces. Even-parity states of Pd-96 are very well reproduced in large-scale shell model (LSSM) calculations in which excitations are allowed of up to five g(9/2) protons and neutrons across the N = Z = 50 gap, to the g(7/2), d(5/2), d(3/2), and s(1/2) orbitals. The odd-parity isomer can be only qualitatively interpreted though, employing calculation in the full fpg shell model space, with just one particle-hole core excitation.


  • M. Palacz
  • J. Nyberg
  • H. Grawe
  • K. Sieja
  • G. de Angelis
  • P. Bednarczyk
  • A. Blazhev
  • D. Curien
  • Z. Dombradi
  • O. Dorvaux
  • Jörgen Ekman
  • J. Galkowski
  • M. Gorska
  • J. Iwanicki
  • G. Jaworski
  • J. Kownacki
  • J. Ljungvall
  • M. Moszynski
  • F. Nowacki
  • D. Sohler
  • D. Wolski
  • M. Zieblinski
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Subatomic Physics
Original languageEnglish
Article number014318
JournalPhysical Review C (Nuclear Physics)
Issue number1
Publication statusPublished - 2012
Publication categoryResearch

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