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N=50 core excited states studied in the 4696Pd50 nucleus
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
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2012 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 86, no 1, 014318- p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2012. Vol. 86, no 1, 014318- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-179573DOI: 10.1103/PhysRevC.86.014318ISI: 000306469700003OAI: diva2:545410
Available from: 2012-08-20 Created: 2012-08-20 Last updated: 2013-07-15Bibliographically approved

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Nyberg, Johan
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