Magnetic moments at backbending and spectroscopy of 134Ce |
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Authors: | A. Zemel C. Broude E. Dafni A. Gelberg M.B. Goldberg J. Gerber G.J. Kumbartzki K.-H. Speidel |
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Affiliation: | The Weizmann Institute of Science, Rehovot, Israel;Centre de Recherches Nucléaires, Strasbourg, France;Institut für Strahlen- und Kernphysik, Bonn, Germany |
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Abstract: | Employing the static hyperfine fields at cerium nuclei in magnetized Fe and Gd hosts, the g-factor of the 134Ce(10+) state at backbending (Ex = 3719.3 keV) has been determined as g = ? 0.30 (25). The coexistence of this neutron-dominated state with the ( isomer (Ex = 3208.5 keV, g = ?0.19(1)) is unexpected. A comprehensive spectroscopic study following the 122Sn(16O, 4n) reaction, including γ-angular distributions, prompt and delayed γ coincidence and recoil-distance measurements has yielded new information on quasi-collective bands of both parities. The properties of the low-lying positive-parity states are well described by the interacting boson model. |
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Keywords: | Nuclear Reaction |
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