Abstract
The impulse-approximation model has been used to analyse spectator momentum distributions in dp → pnp reaction with deuterons of 3.3 GeV/ c momentum incident on a hydrogen bubble chamber. The model includes corrections due to (i) final-state interactions between the two slow nucleons, (ii) double scattering (shadowing), and (iii) six-quark effects modifying the deuteron (Paris) wave function. The six-quark correction is obtained by eliminating Pauli-forbidden components from the deuteron wave function. The overall agreement with experiment is very good. We find the six-quark correction indispensable for reproducing the high-momentum tail of the spectator momentum distribution.
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