Maqola

Evidence for Hyperdeformation in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>G</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>147</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow><mml:mi>d</mml:mi></mml:math>

D. R. LaFosseChemistry Department, Washington University, St. Louis, Missouri 63130D. G. SarantitesChemistry Department, Washington University, St. Louis, Missouri 63130C. BaktashPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831P. F. HuaPhysics Department, Washington University, St. Louis, Missouri 63130B. CederwallNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720P. FallonNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720C. J. GrossUNISOR, Oak Ridge Institute of Science and Education, Oak Ridge, Tennessee 37831H.-Q. JinPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831M. KorolijaChemistry Department, Washington University, St. Louis, Missouri 63130I. Y. LeeNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720A. O. MacchiavelliNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720M. R. MaierNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720W. RathbunNuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720D. W. StracenerPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, 37831T. R. WernerDepartment of Physics and Astronomy, University of Tennessee, Knoxville Tennessee 37996

1995lv

ABI

Annotatsiya

A pair of rotational bands with 9 and 11 discrete $\ensuremath{\gamma}$ rays with a regular spacing of about 29 keV extending from 1016 to 1340 keV have been identified as belonging to ${}^{147}\mathrm{Gd}$. Evidence from their population, decay characteristics, very large dynamic moments of inertia of ${\ensuremath{\mathfrak{I}}}^{(2)}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}140$ ${\ensuremath{\Elzxh}}^{2}\phantom{\rule{0ex}{0ex}}{\mathrm{MeV}}^{\ensuremath{-}1}$, and agreement with theoretical predictions support the hyperdeformed character of these bands. These band structures correspond to a spheroid with major-to-minor axis ratio of about 3:1.

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DOI: 10.1103/physrevlett.74.5186

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