Abstract
The consequences of assuming the existence of intermediate $W$ mesons with mass greater than two nucleons are examined. Nucleon-antinucleon annihilation would then be an alternative to neutrino interactions as a production mechanism. The production cross section would show a resonance with natural width $\ensuremath{\Gamma}\ensuremath{\ge}50$ keV and integrated area $\ensuremath{\int}\ensuremath{\sigma}\mathrm{dE}\ensuremath{\sim}30$ \ensuremath{\mu}b MeV. The characteristic features of this production amplitude are presented, together with a summary of results for the two-body decay modes. The problem of locating this resonance in counter and bubble chamber experiments is discussed.
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