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On production of η′ mesons in pp collisions close to threshold

  • Heavy ion physics
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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract.

The near threshold behaviour of the reaction cross section for pp→ppη′, recently measured in experiments at COSY and SATURNE, is analyzed. The interaction in the pp as well as in the η′ p final states is taken into account. The suppression of the total cross section for this process at excess energies Q < 3 MeV observed in these experiments is interpreted as an evidence for a strong repulsive η′ p interaction.

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Authors and Affiliations

  1. Institut für Kernphysik, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, , , , , , DE

    V. Baru, J. Haidenbauer, P. Moskal & J. Speth

  2. Institute of Theoretical and Experimental Physics, 117258, B. Cheremushkinskaya 25, Moscow, Russia, , , , , , RU

    A. Kudryavtsev

  3. Department of Physics and INT, University of Washington, Seattle, WA 98195-1560, USA, , , , , , US

    C. Hanhart

Authors
  1. V. Baru
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  2. J. Haidenbauer
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  3. C. Hanhart
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  4. A. Kudryavtsev
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  5. P. Moskal
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  6. J. Speth
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Received: 26 May 1999 / Revised version: 8 July 1999

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Baru, V., Haidenbauer, J., Hanhart, C. et al. On production of η′ mesons in pp collisions close to threshold . EPJ A 6, 445–450 (1999). https://doi.org/10.1007/s100500050368

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  • DOI: https://doi.org/10.1007/s100500050368

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