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A QCD calculation of the pion-nucleon sigma-term

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Zeitschrift für Physik C Particles and Fields

Abstract

We present the results of a QCD sum rule calculation of the pion-nucleon sigma-term. Depending on the uncertain value of the four quark condensate we obtain σ=10...40 MeV.

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Author notes

  1. N. F. Nasrallah (Alexander-von-Humboldt-Stiftung Fellow)

    Present address: Faculty of Science, Lebanese University, Hadet-Beirut, Lebanon

Authors and Affiliations

  1. Institut für Physik, Universität, Postfach 3980, D-6500, Mainz, Federal Republic of Germany

    G. M. Dieringer, M. Kremer, N. F. Nasrallah (Alexander-von-Humboldt-Stiftung Fellow) & K. Schilcher

Authors
  1. G. M. Dieringer
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  2. M. Kremer
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  3. N. F. Nasrallah
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  4. K. Schilcher
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Supported by Bundesministerium für Forschung und Technologie, BMFT

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Dieringer, G.M., Kremer, M., Nasrallah, N.F. et al. A QCD calculation of the pion-nucleon sigma-term. Z. Phys. C - Particles and Fields 39, 115–119 (1988). https://doi.org/10.1007/BF01560399

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  • DOI: https://doi.org/10.1007/BF01560399

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