One-Loop Helicity Amplitudes for ttbar Production at Hadron Colliders
classification
✦ hep-ph
keywords
amplitudescollidershadronhelicityone-loopproductionttbaranalytic
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We present compact analytic expressions for all one-loop helicity amplitudes contributing to ttbar production at hadron colliders. Using recently developed generalised unitarity methods and a traditional Feynman based approach we produce a fast and flexible implementation.
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