Abstract
A consistent approach for understanding hadron size and the elastic diffraction peak from at-channel viewpoint is presented. Our approach is orthogonal to that of ans-channel additive quark model. We consider the problem of determining the elastic amplitude as the shadow of multiparticle production in the framework of dual topological unitarization (DTU), when pion exchanges are included in addition to the usual vector-tensor exchanges which generate the Pomeron. The inclusion of pion exchange does not affect the Pomeron trajectory substantially, but plays an important role in the computation of Pomeron residues to external particles. Good agreement with elastic data as well as total cross sections is obtained.
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