Primary Feynman rules to calculate the epsilon-dimensional integrand of any 1-loop amplitude

Details Primary Feynman rules to calculate the epsilon-dimensional integrand of any 1-loop amplitude Primary Feynman rules to calculate the epsilon-dimensional integrand of any 1-loop amplitude

2011-11-21

arxiv.org/abs/1111.4965v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 14 figures, uses axodraw.sty. Version accepted for publication in JHEP

Scientific paper

When using dimensional regularization/reduction the epsilon-dimensional
numerator of the 1-loop Feynman diagrams gives rise to rational contributions.
I list the set of fundamental rules that allow the extraction of such terms at
the integrand level in any theory containing scalars, vectors and fermions,
such as the electroweak standard model, QCD and SUSY.

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