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Inclusive differential cross sections $d\sigma_{pA}/dx_F$ and$d\sigma_{pA}/dp_t^2$ for the production of \kzeros, \lambdazero, and\antilambda particles are measured at HERA in proton-induced reactions on C,Al, Ti, and W targets. The incident beam energy is 920 GeV, corresponding to$\sqrt {s} = 41.6$ GeV in the proton-nucleon system. The ratios of differentialcross sections \rklpa and \rllpa are measured to be $6.2\pm 0.5$ and $0.66\pm0.07$, respectively, for \xf $\approx-0.06$. No significant dependence upon thetarget material is observed. Within errors, the slopes of the transversemomentum distributions $d\sigma_{pA}/dp_t^2$ also show no significantdependence upon the target material. The dependence of the extrapolated totalcross sections $\sigma_{pA}$ on the atomic mass $A$ of the target material isdiscussed, and the deduced cross sections per nucleon $\sigma_{pN}$ arecompared with results obtained at other energies.Comment: 17 pages, 7 figures, 5 table

Inclusive V production cross sections from 920 GeV fixed target proton-nucleus collisions