Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-05-25
Phys.Rev. D48 (1993) 3081-3089
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, LaTeX with EQUATION.STY, 4 figures available on request; MAD/PH/754
Scientific paper
10.1103/PhysRevD.48.3081
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.
Djouadi Abdelhak
Drees Manuel
Konig Heinz
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