Rotational bands with terminating properties in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow/><mml:mrow><mml:mn>59</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Ni</mml:mi></mml:math>
C.-H. YuPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831C. BaktashPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831J. A. CameronDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1M. DevlinChemistry Department, Washington University, St. Louis, Missouri 63130J. EberthInstitut für Kernphysik, Universität zu Köln, D-50937 Köln, GermanyA. Galindo-UribarriPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831D. S. HaslipDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1D. R. LaFosseChemistry Department, Washington University, St. Louis, Missouri 63130T. J. LampmanDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1I.-Y. LeeNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720F. LermaChemistry Department, Washington University, St. Louis, Missouri 63130A. O. MacchiavelliNuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720S. D. PaulOak Ridge Institute for Science and Education, Oak Ridge, Tennessee 37831D. C. RadfordPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831I. RagnarssonDepartment of Physics, Lund University, S-22100 Lund, SwedenD. RudolphDepartment of Physics, Lund University, S-22100 Lund, SwedenD. G. SarantitesChemistry Department, Washington University, St. Louis, Missouri 63130C. E. SvenssonDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1J. C. WaddingtonDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1J. C. WellsDepartment of Physics, Tennessee Technological University, Cookeville, Tennessee 38505J. N. WilsonDepartment of Physics and Astronomy, McMaster University, Hamilton, Ontario, Canada L8S 4M1
2002lv
ABI
Аннотация
Highly-deformed rotational bands were established in ${}^{59}\mathrm{Ni}$ using the ${}^{40}\mathrm{Ca}{(}^{29}\mathrm{Si},2p2\ensuremath{\alpha}{)}^{59}\mathrm{Ni}$ reaction. Lifetime measurements indicate that transition quadrupole moments of two of these bands decrease as they smoothly approach their maximum-spin states. The configurations of these bands as well as their band-terminating features are discussed based on configuration-dependent cranked Nilsson-Strutinsky calculations. These calculations indicate that, unlike similar bands observed previously in the region, the two bands in ${}^{59}\mathrm{Ni}$ maintain significant collectivity at their ${I=I}_{\mathrm{max}}$ states.
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