Geometrical methods in loop calculations and the three-point function

Details Geometrical methods in loop calculations and the three-point function Geometrical methods in loop calculations and the three-point function

2005-09-30

arxiv.org/abs/hep-th/0509233v1

Nucl.Instrum.Meth. A559 (2006) 293-297

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, LaTeX, 3 eps figures, contribution to proceedings of ACAT2005 (Zeuthen, May 2005)

Scientific paper

10.1016/j.nima.2005.11.174

A geometrical way to calculate N-point Feynman diagrams is reviewed. As an
example, the dimensionally-regulated three-point function is considered,
including all orders of its epsilon-expansion. Analytical continuation to other
regions of the kinematical variables is discussed.

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