arXiv:0906.0130·v1·High Energy Physics — Phenomenology
Light quark mass effects in the chromomagnetic moment
S. Bekavac🇩🇪 · A. Grozin🇩🇪 · D. Seidel🇨🇦 · M. Steinhauser🇩🇪
Abstract
We present the three-loop QCD corrections to the quark chromomagnetic moment including two different nonzero masses. This is a necessary ingredient to obtain the corresponding corrections to the chromomagnetic coefficient in the Heavy Quark Effective Theory (HQET) Lagrangian.
Comments: 4 pages