One-Loop Amplitudes for e^+ e^- to Four Partons

Details One-Loop Amplitudes for e^+ e^- to Four Partons One-Loop Amplitudes for e^+ e^- to Four Partons

1997-08-04

arxiv.org/abs/hep-ph/9708239v1

Nucl.Phys.B513:3-86,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

Tex, 82 pages, Maple and Mathematica files containing the amplitudes are available from the authors

Scientific paper

10.1016/S0550-3213(97)00703-7

We present the first explicit formulae for the complete set of one-loop helicity amplitudes necessary for computing next-to-leading order corrections for e^+ e^- annihilation into four jets, for W, Z or Drell-Yan production in association with two jets at hadron colliders, and for three-jet production in deeply inelastic scattering experiments. We include a simpler form of the previously published amplitudes for e^+ e^- to four quarks. We obtain the amplitudes using their analytic properties to constrain their form. Systematically eliminating spurious poles from the amplitudes leads to relatively compact results.

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