The nonperturbative quark-gluon vertex

Details The nonperturbative quark-gluon vertex The nonperturbative quark-gluon vertex

2002-12-06

arxiv.org/abs/hep-lat/0212011v1

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 4 figures. To appear in the proceedings of Confinement 5, Gargnano, Italy

Scientific paper

We show results for the quark-gluon vertex in the Landau gauge, using a
mean-field improved Sheikholeslami-Wohlert fermion action. We compute all the
three non-zero form factors of the vertex at zero gluon momentum, and compare
them to the abelian vertex. The quark mass dependence of the vertex is also
investigated and found to be negligible for the range of masses considered.

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