On Proton and Delta Wave Functions

Details On Proton and Delta Wave Functions On Proton and Delta Wave Functions

1994-02-11

arxiv.org/abs/hep-ph/9402272v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, RUB-TPII-46/93

Scientific paper

Physical wave functions for the nucleon and the $\Delta^{+}$ isobar are presented, which unify the best features of previous models. With these wave functions we can calculate elastic form factors and the decays of the charmonium levels ${}^{3}S_{1}$, ${}^{3}P_{1}$, ${}^{3}P_{2}$ into $p\bar p$ in agreement with the data. A striking scaling behavior between $R=|G_{\text{M}}^{\text{n}}|/G_{\text{M}}^{\text{p}}$ and the coefficient $B_{4}$ of the Appell polynomial decomposition of the nucleon distribution amplitude is found; the implications for elastic nucleon cross sections are discussed.

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