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Abstract: We present an automated generation of the subtraction terms fornext-to-leading order QCD calculations in the Catani-Seymour dipole formalism.For a given scattering process with n external particles our Mathematicapackage generates all dipole terms, allowing for both massless and massivedipoles. The numerical evaluation of the subtraction terms proceeds withMadGraph, which provides Fortran code for the necessary scattering amplitudes.Checks of the numerical stability are discussed.



Autor: K. Hasegawa, S. Moch, P. Uwer

Fuente: https://arxiv.org/



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