Virtual and real processes, the K\"all\'en function, and the relation to dilogarithms
High Energy Physics - Phenomenology
2015-07-15 v2
Abstract
We enlighten relations between the K\"all\'en function, allowing in a simple way to distinguish between virtual and real processes involving massive particles, and the dilogarithms occurring as results of loop calculations for such kind of processes.
Cite
@article{arxiv.1404.7714,
title = {Virtual and real processes, the K\"all\'en function, and the relation to dilogarithms},
author = {L. Kaldamäe and S. Groote},
journal= {arXiv preprint arXiv:1404.7714},
year = {2015}
}
Comments
12 pages, 5 figures, published version