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Radiative Corrections pp 439–458Cite as

QCD and Precision Tests of Electroweak Interactions

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Part of the book series: NATO ASI Series ((NSSB,volume 233))

Abstract

The influence of hadronic interactions on precision tests of the electroweak theory is investigated: (i) In O(α 2) the total cross section is affected by initial state radiation not only of photons but also of hadrons. (ii) Hadronic interactions influence the contribution of heavy quarks to the vacuum polarizations of γ, Z and W. (iii) QCD corrections reduce the forward backward asymmetry of heavy quarks. (iv) The O(α 2s ) correction of the Z decay rate differs from the correction to R calculated for the photon induced reaction at lower energies. It will be shown that these corrections all have to be included in precision tests of the Standard model. Their magnitude is sufficiently well under control not to endanger the interpretation of these measurements in the forseeable future.

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Author information

Authors and Affiliations

  1. Max-Planck-Institut für Physik und Astrophysik, Werner-Heisenberg-Institut für Physik, P.O.Box 42 12 12, Munich, Fed. Rep. Germany

    J. H. Kühn

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  1. J. H. Kühn
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Editor information

Editors and Affiliations

  1. University of Sussex, Brighton, UK

    N. Dombey  & F. Boudjema  & 

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© 1990 Plenum Press, New York

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Kühn, J.H. (1990). QCD and Precision Tests of Electroweak Interactions. In: Dombey, N., Boudjema, F. (eds) Radiative Corrections. NATO ASI Series, vol 233. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-9054-1_29

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  • DOI: https://doi.org/10.1007/978-1-4684-9054-1_29

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-9056-5

  • Online ISBN: 978-1-4684-9054-1

  • eBook Packages: Springer Book Archive

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