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A Glauber multiple scattering theory in terms of pations and nucleons is applied to study productions of kaon, lambda and antilambda ill 50 GeV proton-nucleus scatterings at JHF (the Japan Hadron Facility). Tile ratios of tile differential cross sections of nucleontungsten to nucleon-beryllium are calclutated versus the transverse momentum at central rapidity. The cancellation between the single and double scattering amplitudes leads to nuclear enhancement of strangeness production at central rapidity.
A Glauber multiple scattering theory in terms of pations and nucleons is applied to study productions of kaon, lambda and antilambda ill 50 GeV proton-nucleus scatterings at JHF (the Japan Hadron Facility). Tile ratios of tile differential cross sections of nucleontons to nucleon- beryllium are calclutated versus the transverse momentum at central rapidity. The cancellation between the single and double scattering amplitudes leads to nuclear enhancement of strangeness production at central rapidity.