The level scheme of theN=79 nucleus144Tb was investigated via in beamγ-ray spectroscopy using the112Sn (35Cl,n2p),116Sn(32S, 3np) and89Y(58Ni, 2np) reactions. States up toI∼20 andE x∼5 MeV were established above the 6− β + decaying isomer. Two new isomers with half-life of 0.67(6) µs and 2.8(3) µs were identified. The level scheme of144Tb is interpreted in the framework of the spherical shell model with a few valence nucleons outside the146Gd core.
In-beamγ-ray spectroscopy of the odd-odd nucleus144Tb
LUNARDI, SANTO;MAGLIONE, ENRICO;
1996
Abstract
The level scheme of theN=79 nucleus144Tb was investigated via in beamγ-ray spectroscopy using the112Sn (35Cl,n2p),116Sn(32S, 3np) and89Y(58Ni, 2np) reactions. States up toI∼20 andE x∼5 MeV were established above the 6− β + decaying isomer. Two new isomers with half-life of 0.67(6) µs and 2.8(3) µs were identified. The level scheme of144Tb is interpreted in the framework of the spherical shell model with a few valence nucleons outside the146Gd core.
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