arXiv:hep-ph/9505270·v2·High Energy Physics — Phenomenology
NUMERICAL APPROACH TO TWO-LOOP THREE POINT FUNCTIONS WITH MASSES
J. FUJIMOTO🇯🇵 · Y. SHIMIZU🇯🇵 · K. KATO🇯🇵 · T. KANEKO🇫🇷
Abstract
Extending the method successful for one-loop integrals, the computation of two-loop diagrams with general internal masses is discussed. For the two-loop vertex of non-planar type, as an example, we show a calculation related to \(Z^0\rightarrow t \bar t\) vertex.
Comments: 8 pages, latex with epsf.sty. 2 figures embedded with latex command and one postscript figure, revised version includes new references