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Dynamics of pion double-charge-exchange reactions

  • Hadron Physics
  • Published:
Zeitschrift für Physik A Atomic Nuclei

Abstract

The (π+, π−) reactions leading to the double isobaric analog state are studied at pion energies 50 to 300 MeV, with14C as an example. Effects of nuclear structure, nuclear recoil, the reaction pathway and off-shell πN interactions are examined in detail. Our study reveals a very strong dependence of calculated cross sections on off-shell πN dynamics. Consequently, use of a self-consistent off-shell πN theory is essential to studying short-range nucleon-nucleon correlations from double-charge-exchange data. The present study further shows that reaction dynamics other than two successive pion single charge exchanges is needed to account for the experimental data.

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Authors and Affiliations

  1. Physics Department, Fordham University, Bronx, New York, USA

    Q. Haider

  2. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico, USA

    L. C. Liu

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  1. Q. Haider
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  2. L. C. Liu
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Additional information

This work was performed under the auspices of the Division of Nuclear Physics, Office of High Energy and Nuclear Physics, U.S. Department of Energy (Contract No. W-7405-ENG-36).

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Haider, Q., Liu, L.C. Dynamics of pion double-charge-exchange reactions. Z. Physik A - Atomic Nuclei 335, 437–449 (1990). https://doi.org/10.1007/BF01290192

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  • DOI: https://doi.org/10.1007/BF01290192

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