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In two previous reports nucleon-meson cascade calculations were carried out for several cases of interest in the design of the transverse shield for the proposed 45-Gev linear electron accelerator at Stanford University. In this report res1.1J.ts are given for two additional cases, iii Table of Contents

Nucleon-meson cascade calculations have been carried out and the dose as a function of depth has been obtained for an 800-Mev proton bP.a.m incident on a shield. The physical properties used for the shielding medium are only a rough approximation to the properties of any particular medium.

Using the straight-ahead approximation, nucleon-meson cascade calculations have been carried out for several solar-flare proton spectra incident on a shield. The shield material has approximately the properties of aluminum. Both spherical-shell and slab geometries are considered.

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