Newby shift ofK=0 rotational bands in odd-odd rare-earths |
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| Authors: | Alpana Goel A K Jain R W Hoff R K Sheline |
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| Institution: | (1) Physics Department, University of Roorkee, 247 667 Roorkee, India;(2) Lawrence Livermore National Laboratory, 94550 Livermore, California, USA;(3) Florida State University, 32306 Tallahassee, Florida, USA |
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| Abstract: | A data set of 29 experimentally determined Newby shifts in rare-earth nuclei is examined for the reliability of each values.
Using this data set, Newby shifts are obtained which are free from the Coriolis and the particle-particle coupling effects.
These new empirical values help resolve the failure of a recently proposed rule for the sign of the Newby shift in the {5/2413]p − 5/2642]n} configuration of160Tb and the {5/2402]p − 5/2512]n} configuration of174Lu. Also the Newby shifts are significantly modified in two other cases namely the {1/2411]p − 1/2521]n} configuration in168Tm and the {1/2541]p − 1/2521]n} configuration in172Lu. Only marginal changes are seen in the rest of the cases in the rare-earth nuclei. |
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| Keywords: | Newby shift rare-earth nuclei |
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