Elsevier

Nuclear Physics A

Volume 245, Issue 3, 7 July 1975, Pages 376-396
Nuclear Physics A

Equilibrium deformations and excitation energies for non-collective states in odd-Z rare-earth nuclei

https://doi.org/10.1016/0375-9474(75)90616-8Get rights and content

Abstract

Nuclear potential energy surfaces have been calculated for one-quasiparticle states in the odd-Z rare-earth nuclei. The calculations are based on the Nilsson model with inclusion of nuclear pairing effects. A renormalization of the energy surface to that of a liquid drop is made using the Strutinsky method. The lowest minima in the potential energy surfaces yield deformations (ε2, ε4) and excitation energies of the one-quasiparticle states,which can be compared with the experimental values after appropriate corrections, including a contribution from zero-point rotational motion. Many of the empirical energy trends among the one-quasiparticle states are well reproduced by these calculations. Some of the observed trends are attributable to variation in the hexadecapole (ε4) deformation.

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    Work supported by the US Atomic Energy Commission.

    ††

    On leave from the Physics Laboratory, Royal Veterinary and Agricultural University, Copenhagen, Denmark.

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