Band terminations in the valence space of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>86</mn></mrow></msup></mrow><mi mathvariant="normal">Zr</mi></math></span>

J. Döring; Y. A. Akovali; C. Baktash; F. E. Durham; C. J. Gross; P. F. Hua; G. D. Johns; M. Korolija; D. R. LaFosse; I. Y. Lee; A. O. Macchiavelli; W. Rathbun; D. G. Sarantites; D. W. Stracener; G. Z. Solomon; S. L. Tabor; A. Vander Molen; A. V. Afanasjev; I. Ragnarsson

doi:10.1103/PhysRevC.61.034310

Band terminations in the valence space of $^{86} Zr$

J. Döring, Y. A. Akovali, C. Baktash, F. E. Durham, C. J. Gross, P. F. Hua, G. D. Johns, M. Korolija, D. R. LaFosse, I. Y. Lee, A. O. Macchiavelli, W. Rathbun, D. G. Sarantites, D. W. Stracener, G. Z. Solomon, S. L. Tabor, A. Vander Molen, A. V. Afanasjev, and I. Ragnarsson

Phys. Rev. C 61, 034310 – Published 17 February 2000

Abstract

High-spin states in $^{86} Zr$ up to $30^{+}$ and $27^{-}$ were observed via the $^{58} Ni (^{32} S, 4 p)$ 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 $g_{9 / 2}$ neutrons and at most four protons excited from the $p_{1 / 2} {, p}_{3 / 2} {, f}_{5 / 2}$ subshells to the $g_{9 / 2}$ 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 $^{86} Zr .$

Received 4 October 1999

DOI:https://doi.org/10.1103/PhysRevC.61.034310

Authors & Affiliations

J. Döring^1,2, 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. Afanasjev^9,10, 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

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Vol. 61, Iss. 3 — March 2000

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