Self-consistent Green's function calculation of 16O at small missing energies

Details Self-consistent Green's function calculation of 16O at small missing energies Self-consistent Green's function calculation of 16O at small missing energies

2004-10-19

arxiv.org/abs/nucl-th/0410082v1

J.Phys. G31 (2005) S1301-S1310

Physics

Nuclear Physics

Nuclear Theory

Proceedings of ``Nuclear Forces and the Quantum Many-Body Problem'', INT, Oct. 4-8, 2004

Scientific paper

10.1088/0954-3899/31/8/008

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.

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