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Published December 25, 1967 | public
Journal Article Open

Reggeization of Pion Exchange in Production Processes


Couplings of the pion Regge trajectory are discussed. We find that the kinematic factors prescribed by Wang must be supplemented by further kinematic terms. A simple physical interpretation is given for these additional terms. Our considerations lead to a model of pion trajectory couplings, which is in reasonable agreement with those experiments on vector- and tensor-meson production in which pion exchange is expected to dominate the forward peak.

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©1967 The American Physical Society. Received 24 July 1967. The authors would like to thank Murray Gell-Mann for stimulating their interest in the problem of fitting data with Reggeized pion exchange. We have had many helpful discussion with Gell-Mann, Frank Henyey, David Horn, and Christoph Schmid on the determination of kinematic zero-free amplitudes. Work supported in part by the U.S. Atomic Energy Commission. Prepared under Contract AT(11-1)-68 for the San Francisco Operations Office, U.S. Atomic Energy Commission. [S.F. was an] Alfred P. Sloan Foundation Fellow. [L.J. was a] National Science Foundation predoctoral fellow.


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