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Double-Cut of Scattering Amplitudes and Stokes' Theorem
We show how Stokes' Theorem, in the fashion of the Generalised Cauchy Formula, can be applied for computing double-cut integrals of one-loop amplitudes analytically. It implies the evaluation of phase-space integrals of rational functions in two complex-conjugated variables, which are simply co...
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| Lenguaje: | eng |
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2009
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2009.06.033 http://cds.cern.ch/record/1178112 |