The Pseudothreshold Expansion of the 2-loop Sunrise Selfmass Master Amplitudes
High Energy Physics - Phenomenology
2009-10-31 v2
Abstract
The values at pseudothreshold of two loop sunrise master amplitudes with arbitrary masses are obtained by solving a system of differential equations. The expansion at pseudothreshold of the amplitudes is constructed and some lowest terms are explicitly presented.
Cite
@article{arxiv.hep-ph/9912501,
title = {The Pseudothreshold Expansion of the 2-loop Sunrise Selfmass Master Amplitudes},
author = {M. Caffo and H. Czyz and E. Remiddi},
journal= {arXiv preprint arXiv:hep-ph/9912501},
year = {2009}
}
Comments
1+22 pages, Latex, no figures, changes in Eq.(41),(44),(47)