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Sum rules in QCD for g ηΛΛ and g πΛΣ

  • Elementary Particles and Fields
  • Theory
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Abstract

New relations between the Borel QCD sum rules for the strong couplings of the Σ0 and Λ hyperons are derived. It is shown that, using the sum rules for g MΣΣ, M = π 0, η, as a starting point, one can readily obtain the corresponding sum rules for the coupling constants g ηΛΛ and g πΛΣ 0. The values of these constants are calculated in a specific parameter region.

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Authors and Affiliations

  1. Institute of Nuclear Physics, Moscow State University, Vorob’evy gory, Moscow, 1 19899, Russia

    V. S. Zamiralov

  2. Istituto Nazionale di Fizica Nucleare (INFN), Sezione di Bari, via Amendola 173, I-70126, Bari, Italy

    A. Özpineci

  3. Moscow State University, Vorob’evy gory, Moscow, 119899, Russia

    S. B. Yakovlev

Authors
  1. V. S. Zamiralov
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  2. A. Özpineci
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  3. S. B. Yakovlev
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Additional information

Original Russian Text © V.S. Zamiralov, A. Özpineci, S.B. Yakovlev, 2006, published in Yadernaya Fizika, 2006, Vol. 69, No. 3, pp. 532–541.

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Zamiralov, V.S., Özpineci, A. & Yakovlev, S.B. Sum rules in QCD for g ηΛΛ and g πΛΣ . Phys. Atom. Nuclei 69, 510–519 (2006). https://doi.org/10.1134/S1063778806030136

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  • DOI: https://doi.org/10.1134/S1063778806030136

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