Dirac sea effects in $K^+$ scattering from nuclei

Details Dirac sea effects in $K^+$ scattering from nuclei Dirac sea effects in $K^+$ scattering from nuclei

1993-06-11

arxiv.org/abs/nucl-th/9306012v1

Phys.Lett.B311:19-21,1993

Physics

Nuclear Physics

Nuclear Theory

8 pages, LaTeX, 2 figures available upon request, LPTB-93-7

Scientific paper

10.1016/0370-2693(93)90526-N

The ratio $R_T$ of $K^+-^{12}C$ to $K^+-d$ cross sections has been calculated microscopically using a boson-exchange $KN$ amplitude in which the $\sigma$ and $\omega$ mesons are dressed by the modifications of the Dirac sea in nuclear matter. In spite of the fact that this dressing leads to a scaling of the mesons effective mass in nuclear matter, the effect on the $R_T$ ratio is found to be weak.

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