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Coherent meson production in antinucleon annihilation on nuclei

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Abstract

A phenomenological optical potential for antinucleon-nucleon (N̅N) interaction in an energy range of 1 to 15 GeV is presented in an eikonal model. In addition to the discussion of the strength and energy dependence, the potential is used to describe initial state interactions for coherent meson production on nuclei. To describe nuclear matter effects, Hartree-Fock Bogoliobuv (HFB) densities are used. As a first step we calculate the production of two mesons, namely pions. To cover the large energy range, the final state pion-nucleus ( π A) interaction is improved by adding resonances beyond the Δ resonance to a Kisslinger-type ansatz. Results for N̅N and π A cross sections are presented.

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Authors and Affiliations

  1. Institut für Theoretische Physik, JLU Giessen, Heinrich-Buff-Ring 16, 35392, Giessen, Germany

    S. Lourenço & H. Lenske

  2. National Center for Nuclear Studies, Hoza 69, 00-681, Warsaw, Poland

    S. Wycech

Authors
  1. S. Lourenço
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  2. H. Lenske
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  3. S. Wycech
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Corresponding author

Correspondence to S. Lourenço.

Additional information

Supported in part by DFG, contract Le439/8-2

Proceedings of the 11th International Conference on Low Energy Antiproton Physics (LEAP 2013) held in Uppsala, Sweden, 10-15 June, 2013

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Lourenço, S., Lenske, H. & Wycech, S. Coherent meson production in antinucleon annihilation on nuclei. Hyperfine Interact 229, 53–58 (2014). https://doi.org/10.1007/s10751-014-1050-7

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  • DOI: https://doi.org/10.1007/s10751-014-1050-7

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