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34 papers · 2 filters
Golden ratio lepton mixing and nonzero reactor angle with
I. de Medeiros Varzielas, L. Lavoura
We furnish a supersymmetric extension of the Standard Model with a flavour discrete symmetry under which the lepton fields transform as an irreducible triplet. Additional (`f…
LHC-scale left-right symmetry and unification
Carolina Arbeláez, Martin Hirsch, Michal Malinský +1
We construct a comprehensive list of non-supersymmetric standard model extensions with a low-scale LR-symmetric intermediate stage that may be obtained as simple low-energy effecti…
Quark mass functions and pion structure in Minkowski space
Elmar P. Biernat, Franz Gross, M. T. Peña +1
We present a study of the dressed quark mass function and the pion structure in Minkowski space using the Covariant Spectator Theory. The quark propagators are dressed with the sam…
The Quark-Level Linear σ Model
Michael D. Scadron, George Rupp, Robert Delbourgo
This review of the quark-level linear σmodel is based upon the dynamical realization of the pseudoscalar and scalar mesons as a linear representation of SU(2) x SU(2) chiral symmet…
Witten's loop in the flipped SU(5) unification
Michal Malinský, Carolina Arbeláez Rodríguez, Helena Kolešová
We study a very simple, yet potentially realistic renormalizable flipped SU(5) scenario in which the right-handed neutrino masses are generated at very high energies by means of a…
Confinement, quark mass functions, and spontaneous chiral symmetry breaking in Minkowski space
Elmar P. Biernat, Franz Gross, M. T. Peña +1
We formulate the covariant equations for quark-antiquark bound states in Minkowski space in the framework of the Covariant Spectator Theory. The quark propagators are dressed with…