Self-consistent continuum random phase approximation calculations of $^4$He electromagnetic responses

Details Self-consistent continuum random phase approximation calculations of $^4$He electromagnetic responses Self-consistent continuum random phase approximation calculations of $^4$He electromagnetic responses

2011-09-30

arxiv.org/abs/1109.6791v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, 1 table, 4 figures, accepted for publication in Physical Review C

Scientific paper

We study the electromagnetic responses of $^4$He within the framework of the self-consistent continuum random phase approximation theory. In this approach the ground state properties are described by a Hartree-Fock calculation. The single particle basis constructed in this manner is used in the calculations of the continuum responses of the system. Finite-range interactions are considered in the calculations. We compare our results with photon absorption cross sections and electron scattering quasi-elastic data. From this comparison, and also from the comparison with the results of microscopic calculations, we deduce that our approach describes well the continuum excitation.

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