The Threshold Expansion of the 2-loop Sunrise Selfmass Master Amplitudes
High Energy Physics - Phenomenology
2009-11-07 v2
Abstract
The threshold behavior of the master amplitudes for two loop sunrise self-mass graph is studied by solving the system of differential equations, which they satisfy. The expansion at the threshold of the master amplitudes is obtained analytically for arbitrary masses.
Cite
@article{arxiv.hep-ph/0103014,
title = {The Threshold Expansion of the 2-loop Sunrise Selfmass Master Amplitudes},
author = {M. Caffo and H. Czyz and E. Remiddi},
journal= {arXiv preprint arXiv:hep-ph/0103014},
year = {2009}
}
Comments
1+18 pages, Latex, no figures, as in Journal reference with more changes in Eq.(31),(42),(45)