Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/19988

Title: Covariant Spectator Theory and Hadron Structure
Authors: Peña, M. T.
Leitão, Sofia
Biernat, Elmar P.
Stadler, Alfred
Ribeiro, J. E.
Gross, Franz
Editors: Pasquini, Barbara
Salmè, Giovanni
Keywords: Hadron structure
Covariant spectator theory
Issue Date: 2016
Publisher: Springer
Citation: Peña, M.T., Leitão, S., Biernat, E.P. et al. Few-Body Syst (2016) 57: 467.
Abstract: We present the first results of a study on meson spectroscopy using a covariant formalism based on the Covariant Spectator Theory. Our approach is derived directly in Minkowski space and it approximates the Bethe–Salpeter equation by taking effectively into account the contributions from both ladder and crossed ladder diagrams in the $q\bar{q}$ interaction kernel. A general Lorentz structure of the kernel is tested and chiral constraints on the kernel are discussed. Results for the pion form factor are also presented.
URI: http://link.springer.com/10.1007/s00601-016-1113-1
http://hdl.handle.net/10174/19988
Type: article
Appears in Collections:FIS - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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