Some Exact Results for Two-Loop Diagrams with Three and Four External Lines
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
Evaluation of three- and four-point diagrams with massless internal particles and arbitrary external momenta is considered. Exact results for some two-loop diagrams (planar and non-planar three-point contributions and the "double box" diagram) are obtained in terms of polylogarithms.
Keywords
Cite
@article{arxiv.hep-ph/9307327,
title = {Some Exact Results for Two-Loop Diagrams with Three and Four External Lines},
author = {N. I. Ussyukina and A. I. Davydychev},
journal= {arXiv preprint arXiv:hep-ph/9307327},
year = {2007}
}
Comments
To appear in Proc. VII Intern. Workshop "High Energy Physics and Quantum Field Theory" (Sochi, Russia, October 1992), Yad.Fiz., v.56, No.11, p.172-179 (November 1993)