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Photoproduction of η and η' mesons off nucleons close to threshold

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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract:

The importance of Born terms and resonance exchange for η and η' photoproduction off both the proton and neutron within U(3) baryon chiral perturbation theory is investigated. Low-lying resonances such as the vector mesons and J P = 1/2+, 1/2- baryon resonances are included explicitly and their contributions together with the Born terms are calculated. The coupling constants of the resonances are determined from strong and radiative decays. We obtain reasonable agreement with experimental data near threshold.

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Authors and Affiliations

  1. Physik Department, Technische Universität München, D-85747 Garching, Germany, , , , , , DE

    B. Borasoy

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  1. B. Borasoy
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Received: 17 March 2000 / Accepted: 8 September 2000

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Borasoy, B. Photoproduction of η and η' mesons off nucleons close to threshold. Eur Phys J A 9, 95–107 (2000). https://doi.org/10.1007/s100500070059

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  • DOI: https://doi.org/10.1007/s100500070059

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