arXiv:hep-ph/9708471·v1·High Energy Physics — Phenomenology
String derivation of two-loop Feynman diagrams
Lorenzo Magnea (Nordita)🇸🇪 · Rodolfo Russo (Politecnico di Torino)🇮🇹
Abstract
We briefly review the technology involved in extracting the field-theory limit of multiloop bosonic string amplitudes, and we apply it to the evaluation of simple two-loop diagrams involving scalars and gauge bosons.
Comments: 7 pages, 1 figure, contributed to Beyond the Standard Model V, Balholm, Norway, April 1997. Latex with aipproc.sty