Systematization of basic divergent integrals in perturbation theory and renormalization group functions

dc.contributor.authorBrito, L.C.T.
dc.contributor.authorFargnoli, H.G.
dc.contributor.authorScarpelli, A.P. Baêta
dc.contributor.authorSampaio, Marcos
dc.contributor.authorNemes, M.C.
dc.date.accessioned2018-05-14T06:13:05Z
dc.date.available2018-05-14T06:13:05Z
dc.date.issued2009-02
dc.description.abstractWe show that to n loop order the divergent content of a Feynman amplitude is spanned by a set of basic (logarithmically divergent) integrals I (i) log(λ2), i = 1, 2,...,n, λ being the renormalization group scale, which need not be evaluated. Only the coefficients of the basic divergent integrals are show to determine renormalization group functions. Relations between these coefficients of different loop orders are derived.en_US
dc.description.sponsorshipSCOAP3en_US
dc.identifier.citationPhysics Letters B 673 (2009) 220–226en_US
dc.identifier.issn0370-2693
dc.identifier.uridoi:10.1016/j.physletb.2009.02.023
dc.identifier.urihttp://hdl.handle.net/123456789/1338
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectIntegralsen_US
dc.titleSystematization of basic divergent integrals in perturbation theory and renormalization group functionsen_US
dc.typeArticleen_US
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