Integral Coefficients for One-Loop Amplitudes

Details Integral Coefficients for One-Loop Amplitudes Integral Coefficients for One-Loop Amplitudes

2007-11-27

arxiv.org/abs/0711.4284v1

JHEP0802:095,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, 1 figure

Scientific paper

10.1088/1126-6708/2008/02/095

We present a set of algebraic functions for evaluating the coefficients of the scalar integral basis of a general one-loop amplitude. The functions are derived from unitarity cuts, but the complete cut-integral procedure has been carried out in generality so that it never needs to be repeated. Where the master integrals are known explicitly, the results here can be used as a black box with tree-level amplitudes as input and one-loop amplitudes as output.

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