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 KD Wünsch C Ristori J Crançon SG Prussin |
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| Institution: | 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 |
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| 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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