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Systematic trends in the beta minus strength functions of neutron-rich rubidium isotopes |
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| Authors: | K.-L. Kratz H. Ohm K. Sümmerer M. Zendel G. Jung K.D. Wünsch C. Ristori J. Crançon S.G. Prussin |
| Affiliation: | 1. Institut für Kernchemie, Universität Mainz, D-6500 Mainz, Germany;2. Institut Laue-Langevin, F-38402 Grenoble, France;3. II. Physikalisches Institut, Universität Giessen, D-6300 Giessen, Germany;4. Centre d''Etudes Nucléaires de Grenoble, F-38041 Grenoble, France;5. Department of Nuclear Engineering, University of California, Berkeley, CA 94720, USA |
| Abstract: | Experimental β?-strength functions (Sβ) are presented for the odd-mass Rb isotope sequence A=89to97. As expected from general nuclear structure considerations, but in contrast to present purely statistical concepts, these strength functions exhibit well separated “pygmy” resonances and a systematic behaviour as a function of mass number and β-decay energy. |
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