Perturbation theory of computing QCD jet cross sections beyond NLO accuracy
Perturbation theory of computing QCD jet cross sections beyond NLO accuracy
We discuss the problems that arise when one wishes to extend the existing general methods of computing radiative corrections to QCD jet cross sections to beyond next-to-leading order. Then we present a subtraction scheme that can be defined at any order in perturbation theory. We give a status report of the implementation of the method to computing jet cross sections in electron-positron annihilation at the next-to-next-to-leading order accuracy.
talk presented at the 8th International Symposium on Radiative Corrections, Florence, Italy, October 1-5, 2007
- European Organization for Nuclear Research Switzerland
- University of Zurich Switzerland
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), FOS: Physical sciences
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