Three-Loop Chromomagnetic Interaction in HQET
High Energy Physics - Phenomenology
2008-11-26 v1
Abstract
We compute the three-loop QCD corrections to the quark chromomagnetic moment and thus obtain the matching coefficient and the anomalous dimension of the chromomagnetic interaction in HQET. As a byproduct we obtain the three-loop corrections to the quark anomalous magnetic moment.
Cite
@article{arxiv.0707.1388,
title = {Three-Loop Chromomagnetic Interaction in HQET},
author = {A. G. Grozin and P. Marquard and J. H. Piclum and M. Steinhauser},
journal= {arXiv preprint arXiv:0707.1388},
year = {2008}
}
Comments
22 pages