Investigation of Rotational Properties in Even-Even Nobelium Isotopes
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Graphical Abstract
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Abstract
The rotational properties of the synthesized even-even 248-264No isotopes have been investigated by means of total Routhian surface calculations. The calculated ground-state properties (e.g. β2; β4) are in agreement with previous calculations. The behaviors of moment of inertia of 252,254No are well reproduced by our calculations. The systematic upbending in moment of inertia is attributed to band crossing. It is found that the j15/2 neutron rotation-alignment is preferred for the lighter No isotopes, but the i13/2 proton alignment is favored in the heavier ones.
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