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Quark Mass Functions and Pion Structure in the Covariant Spectator Theory

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Abstract

The Covariant Spectator Theory is applied to the description of quarks and the pion. The dressed quark mass function is calculated dynamically in Minkowski space and used in the calculation of the pion electromagnetic form factor. The effects of the mass function on the pion form factor and the different quark-pole contributions to the triangle diagram are analyzed.

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Authors and Affiliations

  1. Centro de Física Teórica de Partículas, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001, Lisbon, Portugal

    Elmar P. Biernat, Teresa Peña, Alfred Stadler & Sofia Leitão

  2. Departamento de Física, Universidade de Évora, 7000-671, Évora, Portugal

    Alfred Stadler

  3. Thomas Jefferson National Accelerator Facility (JLab), Newport News, VA, 23606, USA

    Franz Gross

  4. College of William and Mary, Williamsburg, VA, 23188, USA

    Franz Gross

Authors
  1. Elmar P. Biernat
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  2. Franz Gross
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  3. Teresa Peña
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  4. Alfred Stadler
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  5. Sofia Leitão
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Correspondence to Elmar P. Biernat.

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Biernat, E.P., Gross, F., Peña, T. et al. Quark Mass Functions and Pion Structure in the Covariant Spectator Theory. Few-Body Syst 59, 80 (2018). https://doi.org/10.1007/s00601-018-1401-z

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  • DOI: https://doi.org/10.1007/s00601-018-1401-z

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