Prompt<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">α</mml:mi></mml:math>Decay of a Well-Deformed Band in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>N</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>58</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow><mml:mi>i</mml:mi></mml:math>
D. RudolphDepartment of Physics, Lund University, SwedenC. BaktashPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831M. DevlinChemistry Department, Washington University, St. Louis, Missouri 63130D. R. LaFosseChemistry Department, Washington University, St. Louis, Missouri 63130L. L. RiedingerDepartment of Physics, University of Tennessee, Knoxville, Tennessee 37996D. G. SarantitesChemistry Department, Washington University, St. Louis, Missouri 63130C.-H. YuPhysics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
2001lv
ABI
Аннотация
Two excited well-deformed bands have been observed in the semi-magic nucleus (58)Ni. One of the bands was observed to partially decay by emission of a prompt discrete alpha particle that feeds the 2949 keV 6(+) spherical yrast state in the daughter nucleus (54)Fe. This constitutes the first observation of prompt alpha emission from states lying in the deformed secondary minimum of the nuclear potential. gamma-ray linking transitions via several parallel paths establish the spin, parity, and excitation energy of this deformed band in (58)Ni.
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