Abstract
The N=84 nucleus154Yb was investigated through the106Cd(54Fe,α2p) reaction. We found the 16+ yrast level in this nucleus to be formed by the (πh11/2 2 νf7/2h9/2) configuration, in contrast to the lower-Z isotones where (πh11/2 2 νf7/2 2)16+ is the yrast state. Manybody shell model calculations with empirical two-body interactions support our conclusion.
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Dedicated to Prof. Dr. O. Schult on the occasion of his 60th birthday
Visitor from Institut of Nuclear Physics, Cracow, Poland
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Zhang, C.T., Broda, R., Menegazzo, R. et al. Energy inversion of thef 7/2 andh 9/2 neutrons in yrast states of154Yb. Z. Physik A - Hadrons and Nuclei 345, 327–328 (1993). https://doi.org/10.1007/BF01280841
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DOI: https://doi.org/10.1007/BF01280841