Polarization of the nuclear medium and RPA-type calculations in K+ scattering from nuclei
J. C. Caillon, J. Labarsouque
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 sea has been taken into account. This polarization has been calculated in the one-loop approximation but summed up to all orders (RPA-type calculation). This effect is found to be rather important but does not improve the agreement with experiment.
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