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Phys. Rev. C 61, 034310 (2000) [6 pages]

Band terminations in the valence space of 86Zr

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J. Döring1,2, Y. A. Akovali3, C. Baktash3, F. E. Durham4, C. J. Gross5, P. F. Hua6, G. D. Johns1, M. Korolija6, D. R. LaFosse6, I. Y. Lee7, A. O. Macchiavelli7, W. Rathbun7, D. G. Sarantites6, D. W. Stracener3, G. Z. Solomon1, S. L. Tabor1, A. Vander Molen8, A. V. Afanasjev9,10, and I. Ragnarsson9
1Department of Physics, Florida State University, Tallahassee, Florida 32306
2Gesellschaft für Schwerionenforschung mbH, D-64291 Darmstadt, Germany
3Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
4Department of Physics, Tulane University, New Orleans, Louisiana 70118
5UNISOR, Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee 37831
6Chemistry Department, Washington University, St. Louis, Missouri 63130
7Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720
8National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
9Department of Mathematical Physics, Lund Institute of Technology, S-21100 Lund, Sweden
10Nuclear Research Center, Latvian Academy of Sciences, LV-2169 Salaspils, Latvia

Received 4 October 1999; published 17 February 2000

High-spin states in 86Zr up to 30+ and 27- were observed via the 58Ni(32S,4p) reaction at 135 MeV beam energy using the combined gammasphere and microball systems. Calculations performed with the configuration-dependent shell-correction approach show that these states are built from six g9/2 neutrons and at most four protons excited from the p1/2,p3/2,f5/2 subshells to the g9/2 subshell at small deformation. The highest observed states at 27- and 30+ are interpreted as band-terminating states with the latter having the highest spin available in the valence space for 86Zr.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.61.034310
DOI: 10.1103/PhysRevC.61.034310
PACS: 27.50.+e, 23.20.Lv, 21.60.Cs

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