Three-dimensional angular momentum projection in relativistic mean-field theory

Details Three-dimensional angular momentum projection in relativistic mean-field theory Three-dimensional angular momentum projection in relativistic mean-field theory

2009-03-29

arxiv.org/abs/0903.5027v2

Phys.Rev.C79:044312,2009

Physics

Nuclear Physics

Nuclear Theory

26 pages(two columns), 23 figures, accepted for publication in Physical Review C

Scientific paper

10.1103/PhysRevC.79.044312

Based on a relativistic mean-field theory with an effective point coupling between the nucleons, three-dimensional angular momentum projection is implemented for the first time to project out states with designed angular momentum from deformed intrinsic states generated by triaxial quadrupole constraints. The same effective parameter set PC-F1 of the effective interaction is used for deriving the mean field and the collective Hamiltonian. Pairing correlations are taken into account by the BCS method using both monopole forces and zero range d-forces with strength parameters adjusted to experimental even-odd mass differences. The method is applied successfully to the isotopes 24Mg, 30Mg, and 32Mg.

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