Article

RPA calculation of $K^+$-nucleus cross-sections with a density-dependent Brueckner-Hartree-Fock NN interaction

06/1994; DOI: 10.1016/0375-9474(95)00126-L
Source: arXiv

ABSTRACT In the calculation of the $K^+$-nucleus cross sections, the coupling of the mesons exchanged between the $K^+$ and the target nucleons to the polarization of the Fermi and Dirac seas has been taken into account. This polarization has been calculated in the one-loop approximation but summed up to all orders (RPA approximation). For this calculation a density-dependent Brueckner-Hartree-Fock NN interaction providing a good description of both nuclear matter and finite nuclei has been used. The agreement with experiment is considerably improved. Comment: 7 pages, LaTeX, 1 figure available upon request, preprint CENBG-94-th1

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