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Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory
Biernat, Elmar Peña, M. T. Ribeiro, J. E. Stadler, A.
Biernat, Elmar
Peña, M. T.
Ribeiro, J. E.
Stadler, A.
Abstract
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 con- straint for π-π-scattering imposed by chiral symmetry.
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2016
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EDP Sciences
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http://creativecommons.org/licenses/by/4.0/
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Elmar P. Biernat, M. T. Peña, J. E. Ribeiro, A. Stadler, F. Gross, Quark model with chiral-symmetry breaking and confinement in the Covariant Spectator Theory, EPJ Web of Conferences 113 05004 (2016) DOI: 10.1051/epjconf/201611305004
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Physics
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https://doi.org/10.1051/epjconf/201611305004