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Large-Angle Scattering and the Interchange Force

J. F. Gunion*, S. J. Brodsky, and R. Blankenbecler

  • Stanford Linear Accelerator Center, Stanford University, Stanford, California 94305

  • *Present address: Massachusetts Institute of Technology.
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Phys. Rev. D 8, 287 – Published 1 July, 1973

DOI: https://doi.org/10.1103/PhysRevD.8.287

Abstract

A composite model of hadrons is used to discuss high-energy, large-angle scattering for elastic and quasielastic reactions. Arguments are given that constituent interchange should be the dominant interaction at large angles (both |t|, |u|≫m2), rather than gluon exchange. Using the asymptotic behavior of the electromagnetic form factors of the hadrons, predictions are made for the energy and angular dependence of a large number of processes. Detailed numerical comparisons with experiment are given for several reactions. A general discussion of the qualitative behavior of large-angle quasi-two-body processes is given. It is shown that data in this region can determine the quantum numbers and wave functions of the constituents.

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Phys. Rev. D 8, 287– Published 1 July, 1973
  • Received 1 February 1973

© 1973 American Physical Society

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