Feynman Diagram Calculations - From finite Integral Representations to knotted Infinities

Details Feynman Diagram Calculations - From finite Integral Representations to knotted Infinities Feynman Diagram Calculations - From finite Integral Representations to knotted Infinities

1995-05-05

arxiv.org/abs/hep-ph/9505236v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

uuencoded .ps file, 7 pages, references updated

Scientific paper

Work is reported on finite integral representations for 2-loop massive 2-, 3- and 4-point functions, using orthogonal and parallel space variables. It is shown that this can be utilized to cover particles with arbitrary spin (tensor integrals), and that UV divergences can be absorbed in an algebraic manner. This includes a classification of UV divergences by means of the topology of the graph, interpreted in terms of knots.

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