Quarkonia and heavy-light mesons in a covariant quark model

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ID: 72253
2016
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Abstract
Preliminary calculations using the Covariant Spectator Theory (CST) employed a scalar linear confining interaction and an additional constant vector potential to compute the mesonic mass spectra. In this work we generalize the confining interaction to include more general structures, in particular a vector and also a pseudoscalar part, as suggested by a recent study [1]. A one-gluon-exchange kernel is also implemented to describe the short-range part of the interaction. We solve the simplest CST approximation to the complete Bethe-Salpeter equation, the one-channel spectator equation, using a numerical technique that eliminates all singularities from the kernel. The parameters of the model are determined through a fit to the experimental pseudoscalar meson spectra, with a good agreement for both quarkonia and heavy-light states.
Reference Key
sofia2016quarkoniaepj Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sofia, Leitão;Alfred, Stadler;T., Peña M.;P., Biernat Elmar;
Journal epj web of conferences
Year 2016
DOI
DOI not found
URL
http://dx.doi.org/10.1051/epjconf/201611303013
Keywords
physics sports communication. mass media arts in general english literature visual arts english language

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