Abstract
We calculate the pion-deuteron 2/sup +/ dibaryon vertex function and the influence on ..pi..d elastic scattering of a strong baryon-baryon interaction in the intermediate state. The general results of our investigation are the following. Near the ..delta..N threshold, the contribution to the ..pi..d B/sub 2/ vertex function is largely dominated by the ..delta..N intermediate state. The vertex function falls off rapidly for energies above the ..delta..N threshold. The coupling of a possible 2/sup +/ dibaryon resonance at 2.15 GeV to the ..pi..d system occurs mainly in an l = 1 wave. We evaluate the contributions to ..pi..d helicity scattering amplitudes due to explicit ..delta..N interaction in the intermediate state.
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