@article{Drumev2012,
abstract = {As a simpler version of an extended (pseudo-)SU(3) model which acts in a model space of more than one oscillator shells, an extended pairing-plus- quadrupole model is introduced. The Hamiltonian consists of quadrupole- quadrupole plus pp-, nn- and pn-isovector and isoscalar pairing terms as well as terms describing the pair-scattering between two shells. Energy spectra and shape parameters for two N = Z nuclear systems having the same nucleon content as the nuclei 20Ne and 60Zn which belong to two different areas of the nuclear chart (ds - fp or upper - fp - gds shells) are calculated and the role of the two parts in the interaction, depending on the parameter strengths, is discussed. Both extended models provide for a microscopic description of nuclei while being selective on the choice of the relevant model space.},
author = {Drumev, K. P. and Georgieva, A. I. and Draayer, J. P.},
doi = {10.1088/1742-6596/366/1/012015},
issn = {17426596},
journal = {Journal of Physics: Conference Series},
keywords = {SO(8) model,SU(3) model,models based on group theory,neutron-proton pairing,pairing-plus-quadrupole model},
month = {may},
number = {1},
pages = {12015},
publisher = {{IOP} Publishing},
title = {{Extended (pseudo-)SU(3) models for nuclear structure}},
url = {https://doi.org/10.1088/1742-6596/366/1/012015},
volume = {366},
year = {2012}
}

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