Wave functions for low-lying states of light deformed nuclei using a “realistic” hamiltonian and their test by inelastic scattering: The case of 20Ne

A multi-configuration mixing approach built on essentially complex, symmetryprojected Hartree-Fock-Bogoliubov (HFB) mean fields is introduced. The mean fields are obtained by variation after projection. The configuration space consists out of the symmetry-projected HFB vacuum and the symmetry-projected twoquasiparticle excitations for even, and the symmetry-projected one-quasiparticle excitations for odd A systems. The underlying complex HFB transformations are assumed to be time-reversal invariant and axially symmetric. The model allows nuclear structure calculations in large model spaces with arbitrary two-body interactions. The approach has been applied to 20 Ne and 22 Ne. Good agreement with the exact shell model results and considerable improvement with respect to older calculations, in which only real HFB transformations were admitted, is obtained.

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Wave functions for low-lying states of light deformed nuclei using a “realistic” hamiltonian and their test by inelastic scattering: The case of 20Ne

Cited by 7 publications

References 37 publications

Microscopic description of nuclear excitations in deformed nuclei

Microscopic description of nuclear excitations in deformed nuclei

Analyses of electron and proton scattering to low-excitation isoscalar states in 20Ne, 24Mg and 28Si

A multi-configuration mixing approach with symmetry-projected complex Hartree-Fock-Bogoliubov determinants

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