Abstract

Our previous proton-proton amplitude analysis based on dispersion relations is repeated, using new experimental information from SIN, TRIUMF, LAMPF and SACLAY. Exploiting Argonne Δσ L(pd) data and forward pn charge-exchange differential cross sections, the analysis now provides, for the first time, the full set of forward pp and pn amplitudes. These are compared in detail with recent phase-shift analyses. Implications for dibaryon resonances and for polarization experiments in the near forward region are discussed.

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