Gauge-invariant meson photoproduction with extended nucleons

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The general gauge-invariant photoproduction formalism given by Haberzettl is applied to kaon photoproduction off the nucleon at the tree level, with form factors describing composite nucleons. Numerical results show that this gauge-invariance procedure, when compared to Ohta's, leads to a much improved description of experimental data. Predictions for the new Bonn SAPHIR data for $p(γ,K^+)Λ$ are given.
4 pages; Contribution to the Proceedings of Baryons '98, Bonn, September 22-26, 1998

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/83038

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/9811024
 http://arxiv.org/abs/nucl-th/9811024

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arXiv