Calculation of QCD loops using tree-level matrix elements
classification
✦ hep-ph
keywords
calculationalgorithmsalikeamplitudebrieflycalculationscolourcorrections
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The possibility of treating colour in one-loop amplitude calculations alike the other quantum numbers is briefly discussed for semi-numerical algorithms based on generalized unitarity and parametric integration techniques. Numerical results are presented for the calculation of virtual corrections in multi-gluon scattering.
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