arXiv:hep-ph/0402241·v1·High Energy Physics — Phenomenology
Loop corrections to sub-leading heavy quark currents in SCET
M. Beneke🇩🇪 · Y. Kiyo🇩🇪 · D. s. Yang🇩🇪
Abstract
We compute the one-loop (hard) matching correction to heavy-to-light transition currents in soft-collinear effective theory (SCET) to sub-leading power in the SCET expansion parameter for an arbitrary Dirac structure of the QCD weak current.
Comments: 17 pages