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Dispersion Approach to Pion Photoproduction and GDH Sum Rule

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N* Physics and Nonperturbative Quantum Chromodynamics

Part of the book series: Few-Body Systems ((FEWBODY,volume 11))

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Abstract

Pion photoproduction has been analyzed in the framework of dispersion relations at constant t. The results for S-wave pion production at threshold and P-wave production in the Δ (1232) resonance region are presented and compared to the data and theoretical expectations. The predictions for the GDH sum rule are shown to be very sensitive to the threshold S-wave amplitude.

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Author information

Authors and Affiliations

  1. Institut für Kernphysik, Johannes Gutenberg-Universität, Becherweg 45, 55099, Mainz, Germany

    D. Drechsel

Authors
  1. D. Drechsel
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Editor information

Editors and Affiliations

  1. Istituto Nazionale di Fisica Nucleare, Sezione di Roma III, Via della Vasca Navale 84, I-00146, Rome, Italy

    Silvano Simula

  2. Service de Physique Nucléaire, Centre d’Etudes de Saclay, F-91191, Gif-sur-Yvette Cedex, France

    Bijan Saghai

  3. Department of Physics, Rensselaer Polytechnic Institute, Troy, New York, 12180-3590, USA

    Nimai C. Mukhopadhyay

  4. Jefferson Laboratory, CEBAF, Newport News, Virginia, 23606, USA

    Volker D. Burkert

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© 1999 Springer-Verlag

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Drechsel, D. (1999). Dispersion Approach to Pion Photoproduction and GDH Sum Rule. In: Simula, S., Saghai, B., Mukhopadhyay, N.C., Burkert, V.D. (eds) N* Physics and Nonperturbative Quantum Chromodynamics. Few-Body Systems, vol 11. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6800-4_31

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  • DOI: https://doi.org/10.1007/978-3-7091-6800-4_31

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-7091-7410-4

  • Online ISBN: 978-3-7091-6800-4

  • eBook Packages: Springer Book Archive

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