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Determination of QCD condensates from τ decay data

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Abstract

We have used the latest data from the ALEPH Collaboration to extract values for QCD condensates up to dimension d=12 in the V-A channel and up to dimension d=8 in the V, A and V+A channels. Performing two- and three-parameter fits, we obtain new results for the correlations of condensates. The results are consistent and agree with most of the previous results found in the literature.

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Authors and Affiliations

  1. II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 149, 22761, Hamburg, Germany

    A.A. Almasy

  2. Institut für Physik, Johannes-Gutenberg-Universität, Staudinger Weg 7, 55099, Mainz, Germany

    K. Schilcher & H. Spiesberger

Authors
  1. A.A. Almasy
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  2. K. Schilcher
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  3. H. Spiesberger
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Correspondence to H. Spiesberger.

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Almasy, A., Schilcher, K. & Spiesberger, H. Determination of QCD condensates from τ decay data. Eur. Phys. J. C 55, 237–248 (2008). https://doi.org/10.1140/epjc/s10052-008-0579-5

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  • DOI: https://doi.org/10.1140/epjc/s10052-008-0579-5

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