The Skyrme energy functional and low lying 2+ states in Sn, Cd and Te isotopes

Details The Skyrme energy functional and low lying 2+ states in Sn, Cd and Te isotopes The Skyrme energy functional and low lying 2+ states in Sn, Cd and Te isotopes

2004-09-25

arxiv.org/abs/nucl-th/0409059v1

Phys.Rev. C70 (2004) 054321

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevC.70.054321

We study the predictive power of Skyrme forces with respect to low lying quadrupole spectra along the chains of Sn, Cd, and Te isotopes. Excitation energies and B(E2) values for the lowest quadrupole states are computed from a collective Schroedinger equation which as deduced through collective path generated by constraint Skyrme-Hartree-Fock (SHF) plus self-consistent cranking for the dynamical response. We compare the results from four different Skyrme forces, all treated with two different pairing forces (volume versus density-dependent pairing). The region around the neutron shell closure N=82 is very sensitive to changes in the Skyrme while the mid-shell isotopes in the region N<82 depend mainly on the adjustment of pairing. The neutron rich isotopes are most sensitive and depend on both aspects.

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