Yrast band of 109Ag described by tilted axis cranking covariant density functional theory with a separable pairing force

Abstract

A separable form of the Gogny pairing force is implemented in tilted axis cranking covariant density functional theory for the description of rotational bands in open shell nuclei. The developed method is used to investigate the yrast sequence of 109Ag for an example. The experimental energy spectrum, angular momenta, and electromagnetic transition probabilities are well reproduced by taking into account pairing correlations with the separable pairing force. An abrupt transition of the rotational axis from the long-intermediate plane to the long-short one is obtained and discussed in detail.

arXiv comment9 pages, 8 figures

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• Magnetic rotations in 198Pb and 199Pb within covariant density functional theory with pairing correlations
• Nuclear matrix elements of neutrinoless double-$\beta$ decay in the triaxial projected shell model
• Finite amplitude method on the deformed relativistic Hartree-Bogoliubov theory in continuum: The isoscalar giant monopole resonance in exotic nuclei
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• Shell-model-like approach based on cranking covariant density functional theory with a separable pairing force
• The coexistence of possible magnetic and chiral rotation in ${}^{129}\mathrm{Cs}$ and ${}^{131}\mathrm{La}$: a microscopic investigation
• Global study of separable pairing interaction in covariant density functional theory