Low-energy moments of non-diagonal quark current correlators at four loops
High Energy Physics - Phenomenology
2015-10-27 v2 High Energy Physics - Lattice
Abstract
We compute the leading four physical terms in the low-energy expansions of heavy-light quark current correlators at four-loop order. As a by-product we reproduce the corresponding top-induced non-singlet correction to the electroweak rho parameter.
Keywords
Cite
@article{arxiv.1506.00900,
title = {Low-energy moments of non-diagonal quark current correlators at four loops},
author = {A. Maier and P. Marquard},
journal= {arXiv preprint arXiv:1506.00900},
year = {2015}
}
Comments
13 pages, no figures. Extended discussion and added references