Intrinsic and rotational states in 173Ta |
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Authors: | S. Andre D. Barnéoud C. Foin B. Ader N. Perrin |
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Affiliation: | Institut des Sciences Nucléates, BP 257, 38044 Grenoble Cedex, France;Institut de Physique Nucléaire, BP 1, 91406 Orsay, France |
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Abstract: | High spin rotational levels in 173Ta are populated in the 165Ho(12C, 4n)173Ta and 175Lu(α, 6n)173Ta reactions. The de-excitation γ-ray cascades are studied with Ge(Li) detectors. The rotational bands, which are built on the +(404), +(402), ?(514) and ?(541) intrinsic states, are identified up to high spin values. A state, interpreted as a three quasi-particle state with a probable spin of is located at 1713 keV. Its half-life is about 100 ns. The behaviour of the moment of inertia of each rotational band versus the rotational frequency is compared with that of the doubly even core. |
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Keywords: | Nuclear reactions |
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