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Order α s2 massive quark contribution to the vacuum polarization of massles quarks

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Zeitschrift für Physik C Particles and Fields

Abstract

We calculate to order α s2 in the QCD coupling the effect of massive quarks on the vacuum polarization of massless quarks both in a momentum subtraction scheme and in the (modified) minimal subtraction scheme. We also illustrate how decoupling of heavy quarks takes place in this context in the minimal subtraction scheme.

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Author notes

  1. W. Wetzel (Presently Max Kade Fellow)

    Present address: Newman Lab. of Nuclear Studies, Ithaca, NY, USA

Authors and Affiliations

  1. Institut für Theoretische Physik der Universität Heidelberg, D-6900, Heidelberg, Germany

    W. Bernreuther & W. Wetzel (Presently Max Kade Fellow)

Authors
  1. W. Bernreuther
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  2. W. Wetzel
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Bernreuther, W., Wetzel, W. Order α s2 massive quark contribution to the vacuum polarization of massles quarks. Z. Phys. C - Particles and Fields 11, 113–115 (1981). https://doi.org/10.1007/BF01573992

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  • DOI: https://doi.org/10.1007/BF01573992

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