Статья

Superdeformed and highly deformed bands in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow/><mml:mrow><mml:mn>65</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Zn</mml:mi></mml:math>and neutron-proton interactions in Zn isotopes

C.-H. YuPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831C. BaktashPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831J. DobaczewskiInstitute of Theoretical Physics, Warsaw University, Hoza 69, PL-00681 Warsaw, PolandJ. 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 37831D. 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. N. WilsonInstitut für Kernphysik, Universität zu Köln, D-50937 Köln, Germany

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Аннотация

Superdeformed and highly deformed rotational bands were established in ${}^{65}\mathrm{Zn}$ using the ${}^{40}\mathrm{Ca}{(}^{29}\mathrm{Si}{,4p)}^{65}\mathrm{Zn}$ reaction, and averaged quadrupole moments were measured for two of these bands. The configurations of these bands were assigned based on Hartree-Fock calculations. One of the three bands exhibits at low $\ensuremath{\Elzxh}\ensuremath{\omega}$ a rise in the ${J}^{(2)}$ dynamic moments of inertia that is similar to the alignment gain observed in ${}^{60}\mathrm{Zn}.$ A comparison of the rotational band configurations and their ${J}^{(2)}$ moments of inertia for light Zn isotopes suggests that the rise in ${J}^{(2)}$ is most likely caused by $\mathrm{np}$ interactions associated with the valence protons and neutrons occupying the ${g}_{9/2}$ intruder orbits.

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Идентификаторы

DOI: 10.1103/physrevc.62.041301

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