Standard and epsilon-finite Master Integrals for the rho-Parameter

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dc.creatorFaisst, M.
dc.creatorMaierhoefer, P.
dc.creatorSturm, C.
dc.date2006-11-18
dc.date.accessioned2026-07-07T11:58:55Z
dc.date.available2026-07-07T11:58:55Z
dc.descriptionWe have constructed an epsilon-finite basis of master integrals for all new types of one-scale tadpoles which appear in the calculation of the four-loop QCD corrections to the electroweak rho-parameter. Using transformation rules from the epsilon-finite basis to the standard minimal-number-of-lines basis, we obtain as a by-product analytical expressions for few leading terms of the epsilon-expansion of all members of the standard basis. The new master integrals have been computed with the help of the Pade method and by use of difference equations independently.
dc.description26 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0611244
dc.identifierhttp://arxiv.org/abs/hep-ph/0611244
dc.identifierNucl.Phys.B766:246-268,2007
dc.identifierdoi:10.1016/j.nuclphysb.2006.12.014
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206386
dc.subjectHigh Energy Physics - Phenomenology
dc.titleStandard and epsilon-finite Master Integrals for the rho-Parameter
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