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Spin Structure Functions in a Covariant Spectator Quark Model

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Abstract

We apply the covariant spectator quark–diquark model, already probed in the description of the nucleon elastic form factors, to the calculation of the deep inelastic scattering (DIS) spin-independent and spin-dependent structure functions of the nucleon. The nucleon wave function is given by a combination of quark–diquark orbital states, corresponding to S, D and P-waves. A simple form for the quark distribution function associated to the P and D waves is tested.

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Authors and Affiliations

  1. CFTP, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001, Lisbon, Portugal

    G. Ramalho

  2. Thomas Jefferson National Accelerator Facility, Newport News, VA, 23606, USA

    Franz Gross

  3. CFTP and Department of Physics, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001, Lisbon, Portugal

    M. T. Peña

Authors
  1. G. Ramalho
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  2. Franz Gross
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  3. M. T. Peña
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Correspondence to G. Ramalho.

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Ramalho, G., Gross, F. & Peña, M.T. Spin Structure Functions in a Covariant Spectator Quark Model. Few-Body Syst 50, 215–217 (2011). https://doi.org/10.1007/s00601-010-0177-6

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  • DOI: https://doi.org/10.1007/s00601-010-0177-6

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