Standard and hypergeometric representations for loop diagrams and the photon-photon scattering
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
By using the example of photon-photon scattering box diagrams, different representations for loop integrals are discussed. A connection between hypergeometric representation and dilogarithms is derived. An explicit analytic continuation formula to large values of Mandelstam variables is constructed.
Cite
@article{arxiv.hep-ph/9307323,
title = {Standard and hypergeometric representations for loop diagrams and the photon-photon scattering},
author = {A. I. Davydychev},
journal= {arXiv preprint arXiv:hep-ph/9307323},
year = {2007}
}
Comments
8 pages, to appear in: Proc. Intern. Conf. "Quarks-92" (Zvenigorod, Russia, May 1992), World Scientific, Singapore, 1993