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Self-consistent Green's function calculation of 16O at small missing energies | | C. Barbieri
; W. H. Dickhoff
; | | Date: |
19 Oct 2004 | | Journal: | J.Phys. G31 (2005) S1301-S1310 | | Subject: | nucl-th | | Affiliation: | TRIUMF), W. H. Dickhoff (Washington University in St.Louis | | Abstract: | Calculations of the one-hole spectral function of 16O for small missing energies are reviewed. The self-consistent Green’s function approach is employed together with the Faddeev equations technique in order to study the coupling of both particle-particle and particle-hole phonons to the single-particle motion. The results indicate that the characteristics of hole fragmentation are related to the low-lying states of 16O and an improvement of the description of this spectrum, beyond the random phase approximation, is required to understand the experimental strength distribution. A first calculation in this direction that accounts for two-phonon states is discussed. | | Source: | arXiv, nucl-th/0410082 | | Services: | Forum | Review | PDF | Favorites | |
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