High spin states and shell model description of the neutron deficient nuclei Ru90 and Ru91

J. Heese, H. Grawe, K. H. Maier, R. Schubart, F. Cristancho, C. J. Gross, A. Jungclaus, K. P. Lieb, D. Rudolph, J. Eberth, and S. Skoda
Phys. Rev. C 49, 1896 – Published 1 April 1994
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Abstract

High spin states in the neutron deficient isotopes Ru90 and Ru91 have been studied in the 2p2n and 2pn exit channels of the reaction Ar36+58Ni using the 149 MeV Ar36 beam at VICKSI and the OSIRIS array. By gating the γγ coincidences with evaporated neutrons and protons, excited states in Ru90 were identified for the first time and the level scheme of Ru91 was extended. In both nuclei, the level energies and branching ratios follow the predictions of shell model calculations performed within the (1g9/2,2p1/2) single-particle space.

  • Received 4 October 1993

DOI:https://doi.org/10.1103/PhysRevC.49.1896

©1994 American Physical Society

Authors & Affiliations

J. Heese, H. Grawe, K. H. Maier, and R. Schubart

  • Hahn-Meitner-Institut GmbH, Glienicker Strasse 100, D-14109 Berlin, Germany

F. Cristancho, C. J. Gross, A. Jungclaus, K. P. Lieb, and D. Rudolph

  • II. Physikalisches Institut, Universität Göttingen, D-37303 Göttingen, Germany

J. Eberth and S. Skoda

  • Institut für Kernphysik der Universität zu Köln, D-50937 Köln, Germany

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Vol. 49, Iss. 4 — April 1994

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