Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2006-11-24
Phys.Rev.C75:044305,2007
Physics
Nuclear Physics
Nuclear Theory
15 pages; 13 figures; Fig. 13 bitmap compressed due to ArXiv size limitation
Scientific paper
10.1103/PhysRevC.75.044305
We discuss the systematics of the 2+ excitation energy and the transition probability from this 2+ to the ground state for most of the even-even nuclei, from O16 up to the actinides, for which data are available. To that aim we calculate their correlated J=0 ground state and J=2 first excited state by means of the angular-momentum and particle-number projected generator coordinate method, using the axial mass quadrupole moment as the generator coordinate and self-consistent mean-field states only restricted by axial, parity, and time-reversal symmetries. The calculation, which is an extension of a previous systematic calculation of correlations in the ground state, is performed within the framework of a non-relativistic self-consistent mean-field model using the same Skyrme interaction SLy4 and a density-dependent pairing force to generate the mean-field configurations and mix them.
Bender Martin
Bertsch George F.
Heenen Paul-Henri
Sabbey B.
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