Beyond mean-field description of the low-lying spectrum of 16O

Details Beyond mean-field description of the low-lying spectrum of 16O Beyond mean-field description of the low-lying spectrum of 16O

2002-05-29

arxiv.org/abs/nucl-th/0205074v2

Nucl.Phys. A713 (2003) 390-401

Physics

Nuclear Physics

Nuclear Theory

15 pages LATEX, 6 figures, 3 tables, revision of sections 4 and 5

Scientific paper

10.1016/S0375-9474(02)01308-8

Starting from constrained Skyrme-mean-field calculations, the low-energy excitation spectrum of 16O is calculated by configuration mixing of particle-number and angular-momentum projected mean-field states in the framework of the Generator Coordinate Method. Without any adjustable parameters, this approach gives a very good description of those states and their transition moments that can be described with our restriction to axially and reflection-symmetric shapes. The structure of low-lying 0+ states is analyzed in terms of self-consistent 0p-0h, 2p-2h, and 4p-4h Hartree-Fock states.

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