Browsing by Author "Fargnoli, H.G."
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Systematization of basic divergent integrals in perturbation theory and renormalization group functions
Brito, L.C.T.; Fargnoli, H.G.; Scarpelli, A.P. Baêta; Sampaio, Marcos; Nemes, M.C. (Elsevier, 2009-02)We 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 ...