arXiv:hep-ph/0411223·v1·High Energy Physics — Phenomenology
Infrared regularization for spin-1 fields
Peter C. Bruns🇩🇪 · Ulf-G. Meißner🇩🇪
Abstract
We extend the method of infrared regularization to spin-1 fields. As applications, we discuss the chiral extrapolation of the rho meson mass from lattice QCD data and the pion-rho sigma term.
Comments: 22 pp, 5 figs