Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory

We propose a model for the quark-antiquark interaction in Minkowski space using the Covariant Spectator Theory. We show that with an equal-weighted scalar-pseudoscalar structure for the confining part of our interaction kernel the axial-vector Ward-Takahashi identity is preserved and our model compl...

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Main Authors: Biernat Elmar P., Peña M. T., Ribeiro J. E., Stadler A., Gross F.
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/201611305004
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author Biernat Elmar P.
Peña M. T.
Ribeiro J. E.
Stadler A.
Gross F.
author_facet Biernat Elmar P.
Peña M. T.
Ribeiro J. E.
Stadler A.
Gross F.
author_sort Biernat Elmar P.
collection DOAJ
description We propose a model for the quark-antiquark interaction in Minkowski space using the Covariant Spectator Theory. We show that with an equal-weighted scalar-pseudoscalar structure for the confining part of our interaction kernel the axial-vector Ward-Takahashi identity is preserved and our model complies with the Adler-zero constraint for π-π-scattering imposed by chiral symmetry.
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spelling doaj.art-5be7c25cce5046049c1804f9363f34622022-12-21T22:35:36ZengEDP SciencesEPJ Web of Conferences2100-014X2016-01-011130500410.1051/epjconf/201611305004epjconf_fb2016_05004Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator TheoryBiernat Elmar P.0Peña M. T.Ribeiro J. E.1Stadler A.Gross F.2CFTP, Instituto Superior Técnico, Universidade de LisboaCeFEMA, Instituto Superior Técnico, Universidade de LisboaThomas Jefferson National Accelerator Facility (JLab)We propose a model for the quark-antiquark interaction in Minkowski space using the Covariant Spectator Theory. We show that with an equal-weighted scalar-pseudoscalar structure for the confining part of our interaction kernel the axial-vector Ward-Takahashi identity is preserved and our model complies with the Adler-zero constraint for π-π-scattering imposed by chiral symmetry.http://dx.doi.org/10.1051/epjconf/201611305004
spellingShingle Biernat Elmar P.
Peña M. T.
Ribeiro J. E.
Stadler A.
Gross F.
Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
EPJ Web of Conferences
title Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
title_full Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
title_fullStr Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
title_full_unstemmed Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
title_short Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
title_sort quark model with chiral symmetry breaking and confinement in the covariant spectator theory
url http://dx.doi.org/10.1051/epjconf/201611305004
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