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Two-meson cloud contribution to the baryon antidecuplet binding
A. Hosaka, T. Hyodo, F. J. Llanes-Estrada +3
We study the two-meson virtual cloud contribution to the self-energy of the SU(3) antidecuplet, to which the Theta+ pentaquark is assumed to belong. This is motivated by the large…
RPA Vector Meson Leptonic Widths
Felipe J. Llanes-Estrada, Stephen R. Cotanch
Recent J = 0 (para) baryonium interpretations of the BES narrow resonance data near the e^-e^+ -> p anti-p threshold suggests the existance of ortho baryonium. To assist future sea…
Semiperturbative construction for the quark-gluon vertex
Felipe J. Llanes-Estrada, Christian S. Fischer, Reinhard Alkofer
We construct a model for the quark-gluon vertex of Landau gauge QCD. This is of twofold interest: on the one hand the quark-gluon interaction is at the heart of quark confinement,…
Dynamical Mass Generation in Landau gauge QCD
C. S. Fischer, F. Llanes-Estrada, R. Alkofer
We summarise results on the infrared behaviour of Landau gauge QCD from the Green's functions approach and lattice calculations. Approximate, nonperturbative solutions for the ghos…