MESON-EXCHANGE CURRENTS IN KAON SCATTERING ON THE LIGHTEST NUCLEI

The K+ scattering on the lightest nuclei, d, He-3, and He-4 is studied in the framework of multiple-scattering theory. Effects from meson ex change currents (MEG) tied to the K+N-->KN pi reaction are evaluated. We found that at momentum transfers Q(2)<0.5 (GeV/c)(2) contributions from MEC are much smaller than kaon rescattering corrections. This mak es the conventional multiple-scattering picture a reliable tool to stu dy these reactions in this kinematical domain and to extract the K(+)n scattering amplitude from the K(+)d data. At larger transferred momen tum MEC can become more relevant.