The forward-backward asymmetry at NNLO revisited

Details The forward-backward asymmetry at NNLO revisited The forward-backward asymmetry at NNLO revisited

2006-09-04

arxiv.org/abs/hep-ph/0609021v2

Phys.Lett.B644:331-335,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, version to be published

Scientific paper

10.1016/j.physletb.2006.11.076

I reconsider the forward-backward asymmetry for flavoured quarks in
electron-positron annihilation. I suggest an infrared-safe definition of this
observable, such that the asymmetry may be computed in perturbative QCD with
massless quarks. With this definition, the first and second order QCD
corrections are computed.

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