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Exchange interaction between intermediate D13(1520)-hole and S11(1535)-hole states in the near-threshold coherent η photoproduction from nuclei

  • V.V. Balashov
  • V.K. Dolinov
  • M.M. Kaskulov

Abstract:

Coherent η-meson photoproduction from nuclei is considered within an extended analogue of the Δ-hole model taking into account the configuration mixing of baryon-hole excitations of different sorts of baryons. Calculated integrated and differential cross-sections for reactions 12C(γ,η)12Cg.s. and 16O(γ,η)16Og.s. demonstrate the important role of the exchange interaction between intermediate D13(1520)-hole and S11(1535)-hole excitations.

PACS. 14.20.Gk Baryon resonances with S = 0 – 14.40.-n Mesons – 25.20.Lj Photoproduction reactions – 27.20.+n 6 ?A? 19 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2001

Authors and Affiliations

  • V.V. Balashov
    • 1
  • V.K. Dolinov
    • 1
  • M.M. Kaskulov
    • 1
  1. 1.Institute of Nuclear Physics, Moscow State University, Moscow 119899, RussiaRU

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