The 11/2{sup -}[505] neutron extruder orbital in {sup 159}Sm
Journal Article
·
· Physical Review. C, Nuclear Physics
- Institut Laue-Langevin, 6 rue J. Horowitz, F-38042 Grenoble (France)
- LPSC, Universite Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex (France)
- Department of Physics and Astronomy, University of Manchester, M13 9PL Manchester (United Kingdom)
- Faculty of Physics, University of Warsaw, ul. Hoza 69, PL-00-681 Warsaw (Poland)
- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
Excited states in {sup 159}Sm, populated following the spontaneous fission of {sup 252}Cf have been studied by means of {gamma} spectroscopy, using the Gammasphere array. In {sup 159}Sm we have identified an isomeric level with a half-life of T{sub 1/2}=116(8) ns at an excitation energy of 1276.8 keV and observed a rotational band on top of this isomer. On the basis of the observed properties of the isomer and the band on top of it we propose that the 1276.8-keV level in {sup 159}Sm corresponds to the 11/2{sup -}[505] neutron extruder configuration. The new excitation scheme of {sup 159}Sm is compared to quasiparticle rotor model calculations.
- OSTI ID:
- 21293885
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 80, Issue 3; Other Information: DOI: 10.1103/PhysRevC.80.037301; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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