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QCD Calculation of\(K^0 - \bar K^0 \) mixing from three-point function sum rules

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Zeitschrift für Physik C Particles and Fields

Abstract

We calculate theB parameter for\(K^0 - \bar K^0 \) mixing in the framework of QCD sum rules for a three-point function involving pseudoscalar currents, and contrast our results with other calculations. We findB=0.5±0.1±0.2, where the first error reflects uncertainties in the various QCD parameters and the second one is an estimate of uncalculated three-loop radiative and higher order quark mass corrections.

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Author notes

  1. C. A. Dominguez (A von Humboldt Research Fellow)

    Present address: Facultad de Física, Pontificia Universidad Católica de Chile, Santiago, Chile

  2. B. Guberina

    Present address: Theory group DESY, D-2000, Hamburg, FRG

Authors and Affiliations

  1. Rudjer Boŝković Institute, YU-41000, Zagreb, Croatia, Yugoslavia

    N. Bilić

  2. Deutsches Elektronen-Synchrotron DESY, D-2000, Hamburg, Federal Republic of Germany

    C. A. Dominguez (A von Humboldt Research Fellow) & B. Guberina

  3. Sektion Physik, Universität München, D-8000, München, Federal Republic of Germany

    B. Guberina

Authors
  1. N. Bilić
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  2. C. A. Dominguez
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  3. B. Guberina
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Bilić, N., Dominguez, C.A. & Guberina, B. QCD Calculation of\(K^0 - \bar K^0 \) mixing from three-point function sum rules. Z. Phys. C - Particles and Fields 39, 351–358 (1988). https://doi.org/10.1007/BF01548284

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  • DOI: https://doi.org/10.1007/BF01548284

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