Quasielastic K-nucleus scattering
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Quasielastic K^+ - nucleus scattering data at q=290, 390 and 480 MeV/c are analyzed in a finite nucleus continuum random phase approximation framework, using a density-dependent particle-hole interaction. The reaction mechanism is consistently treated according to Glauber theory, keeping up to two-step inelastic processes. A good description of the data is achieved, also providing a useful constraint on the strength of the effective particle-hole interaction in the scalar-isoscalar channel at intermediate momentum transfers. We find no evidence for the increase in the effective number of nucleons participating in the reaction which has been reported in the literature.
21 pages, uses REVTeX and epsfig, 9 postscript figures; replaced version corrects a few minor errors in the text
21 pages, uses REVTeX and epsfig, 9 postscript figures; replaced version corrects a few minor errors in the text