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Supersymmetric QCD corrections to quark pair production in e+ e- annihilation

Authors
  • Djouadi, A.
  • Drees, M.
  • König, H.
Type
Published Article
Publication Date
May 24, 1993
Submission Date
May 24, 1993
Identifiers
DOI: 10.1103/PhysRevD.48.3081
Source
arXiv
License
Unknown
External links

Abstract

We calculate supersymmetric QCD corrections (squark/gluino loops) to quark pair production in e+ e- annihilation, allowing for mixing between left- and right-handed squarks and taking into account the effects of nonzero quark masses. Corrections to the Z boson partial widths are generally small and positive, except in the case of large b-squark mixing, where they become negative. At high-energy e+ e- colliders, larger corrections to the total cross sections are possible. Corrections to forward-backward asymmetries are negligible except possibly for top quarks, where they are sensitive to t-squark mixing. We also comment on the possibility that the gluino mass is only a few GeV.

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