Non-perturbative Gluons and Pseudoscalar Mesons in Baryon Spectroscopy
Z. Dziembowski, M. Fabre de la Ripelle, Gerald A. Miller
Abstract
We study baryon spectroscopy including the effects of pseudoscalar meson exchange and one gluon exchange potentials between quarks, governed by αs. The non-perturbative, hyperspherical method calculations show that one can obtain a good description of the data by using a quark-meson coupling constant that is compatible with the measured pion-nucleon coupling constant, and a reasonably small value of αs.
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