Near-yrast, medium-spin structure of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Mo</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>107</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>nucleus
W. UrbanFaculty of Physics, Warsaw University, ul. Hoża 69, PL-00-681 Warsaw, PolandT. Rząca-UrbanFaculty of Physics, Warsaw University, ul. Hoża 69, PL-00-681 Warsaw, PolandJ.A. PinstonLaboratoire de Physique Subatomique et de Cosmologie, IN2P3-Centre National de la Recherche Scientifique/Université Joseph Fourier, F-38026 Grenoble Cedex, FranceJ. L. DurellDepartment of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United KingdomW. R. PhillipsDepartment of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United KingdomA. G. SmithDepartment of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United KingdomB. J. VarleyDepartment of Physics and Astronomy, University of Manchester, Manchester M13 9PL, United KingdomI. AhmadArgonne National Laboratory, Argonne, Illinois 60439, USAN. SchulzInstitut de Recherches Subatomiques UMR7500, Centre National de la Recherche Scientifique-IN2P3 et Université Louis Pasteur, F-67037 Strasbourg, France
2005lv
ABI
Аннотация
Excited states in $^{107}\mathrm{Mo}$, populated in spontaneous fission of $^{248}\mathrm{Cm}$, were studied by use of the eurogam2 multidetector array. Spins and parities of the ground state and the 66.0-, 152.1-, and 458.5-keV excited levels, reported previously, were changed based on conversion-coefficient and angular-correlation measurements. Octupole deformation reported previously in $^{107}\mathrm{Mo}$ is dismissed, and we explain the near-yrast structure of $^{107}\mathrm{Mo}$ in terms of rotational bands built on the ${5/2}^{+}$[413], ${3/2}^{+}$[411], and ${7/2}^{\ensuremath{-}}$[523] orbitals.
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