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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Nucleon mass from a covariant three-quark Faddeev equation
G Eichmann1, R Alkofer, A Krassnigg
1Institute for Nuclear Physics, Darmstadt University of Technology, 64289 Darmstadt, Germany.
Abstract:
We report the first study of the nucleon where the full Poincaré-covariant structure of the three-quark amplitude is implemented in the Faddeev equation. We employ an interaction kernel which is consistent with contemporary studies of meson properties and aspects of chiral symmetry and its dynamical breaking, thus yielding a comprehensive approach to hadron physics. The resulting current-mass evolution of the nucleon mass compares well with lattice data and deviates only by ∼5% from the quark-diquark result obtained in previous studies.
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