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A Model for the γNππN Reaction

  • J. A. Gómez Tejedor
  • E. Oset
Part of the Few-Body Systems book series (FEWBODY, volume 9)

Abstract

We have studied the γNππN reaction using a model which includes N, Δ(1232), N*(1440) and N*(1520) intermediate baryonic states and the ρ-meson as intermediate ππ resonance. The model reproduces fairly well experimental cross sections below E γ = 800 MeV and invariant-mass distributions even at higher energies. One of the interesting findings of the study is that the γ NN*(1520) → Δπ process is very important and interferes strongly with the dominant Δ-Kroll-Ruderman term to produce the experimental peak of the cross section.

Keywords

Intermediate State Total Cross Section Feynman Diagram Neutral Pion Experimental Cross Section 
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

© Springer-Verlag 1995

Authors and Affiliations

  • J. A. Gómez Tejedor
    • 1
  • E. Oset
    • 1
  1. 1.Departamento de Física Teórica and IFICCentro Mixto Universidad de Valencia - CSICBurjassot (Valencia)Spain

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