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Czechoslovak Journal of Physics

, Volume 50, Supplement 4, pp 24–48 | Cite as

Photoexcitation of baryon resonances

  • Bernd Krusche
Article
  • 20 Downloads

Abstract

The study of baryon resonances via meson photoproduction reactions on the free proton, nucleons bound in light nuclei, and in the nuclear medium is discussed. Special emphasis is laid on the production of neutral mesons which due to the suppression of non-resonant backgrounds are particularly well suited for the study of excited states of the nucleon. Experiments carried out during the last ten years with the TAPS-detector at the Mainz MAMI accelerator have contributed very significantly to the detailed investigation of the four lowest lying baryon resonances the P33 (1232), the P11 (1440), the D13(1520) and the S11(1535). Future experiments with TAPS at the ELSA accelerator have a large potential for the investigation of higher lying resonances via many different decay channels.

Keywords

Total Cross Section Resonance Region Invariant Mass Distribution Neutral Pion Incident Photon Energy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Institute of Physics, Academy of Sciences of the Czech Republic 2000

Authors and Affiliations

  • Bernd Krusche
    • 1
  1. 1.II Physikalisches InstitutUniversität GiessenGiessen

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