Constructing QCD one-loop amplitudes

Details Constructing QCD one-loop amplitudes Constructing QCD one-loop amplitudes

2008-02-11

arxiv.org/abs/0802.1534v1

PoS RADCOR2007:017,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 Pages. To appear in the proceedings of the 8th International Symposium on Radiative Corrections (RADCOR 2007): Application o

Scientific paper

In the context of constructing one-loop amplitudes using a unitarity bootstrap approach we discuss a general systematic procedure for obtaining the coefficients of the scalar bubble and triangle integral functions of one-loop amplitudes. Coefficients are extracted after examining the behaviour of the cut integrand as the unconstrained parameters of a specifically chosen parametersiation of the cut loop momentum approach infinity.

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