Group theory factors for Feynman diagrams

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dc.creatorvan Ritbergen, T.
dc.creatorSchellekens, A. N.
dc.creatorVermaseren, J. A. M.
dc.date1998-02-20
dc.date.accessioned2026-07-07T11:47:50Z
dc.date.available2026-07-07T11:47:50Z
dc.descriptionWe present algorithms for the group independent reduction of group theory factors of Feynman diagrams. We also give formulas and values for a large number of group invariants in which the group theory factors are expressed. This includes formulas for various contractions of symmetric invariant tensors, formulas and algorithms for the computation of characters and generalized Dynkin indices and trace identities. Tables of all Dynkin indices for all exceptional algebras are presented, as well as all trace identities to order equal to the dual Coxeter number. Further results are available through efficient computer algorithms (see http://norma.nikhef.nl/~t58/ and http://norma.nikhef.nl/~t68/ ).
dc.descriptionLatex (using axodraw.sty), 47 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/9802376
dc.identifierhttp://arxiv.org/abs/hep-ph/9802376
dc.identifierInt.J.Mod.Phys.A14:41-96,1999
dc.identifierdoi:10.1142/S0217751X99000038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202713
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleGroup theory factors for Feynman diagrams
dc.typetext

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