Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-03-04
Phys.Rev.C79:034320,2009
Physics
Nuclear Physics
Nuclear Theory
9 pages, 5 figures
Scientific paper
10.1103/PhysRevC.79.034320
The study of rotation-alignment of quasiparticles probes sensitively the properties of high-j intruder orbits. The distribution of very high-j orbits, which are consequences of the fundamental spin-orbit interaction, links with the important question of single-particle levels in superheavy nuclei. With the deformed single-particle states generated by the standard Nilsson potential, we perform Projected-Shell-Model calculations for transfermium nuclei where detailed spectroscopy experiment is currently possible. Specifically, we study the systematical behavior of rotation-alignment and associated band-crossing phenomenon in Cf, Fm, and No isotopes. Neutrons and protons from the high-j orbits are found to compete strongly in rotation-alignment, which gives rise to testable effects. Observation of these effects will provide direct information on the single-particle states in the heaviest nuclear mass region.
Al-Khudair Falih
Long Gui-Lu
Sun Yang
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