Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2007-01-12
Phys.Rev.C75:064303,2007
Physics
Nuclear Physics
Nuclear Theory
8 pages REVTEX, 5 eps figures
Scientific paper
10.1103/PhysRevC.75.064303
By means of HFB calculations with independent constraints on axial neutron and proton quadrupole moments Q_n and Q_p, we investigate the large amplitude isoscalar and isovector deformation properties of the neutron-rich isotope 20O. Using the particle-number and angular-momentum projected Generator Coordinate Method, we analyze the collective dynamics in the {Q_n, Q_p} plane. The parameterization SLy4 of the Skyrme interaction is used for all calculations in connection with a density-dependent zero-range pairing interaction. Our results show that already for this moderately neutron-rich nucleus the transition moments are modified when independent neutron and proton collective dynamics are allowed.
Bender Martin
Flocard H.
Heenen Paul-Henri
Severyukhin A. P.
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