Status of Precision Extractions of ${\alpha }_s$ and Heavy Quark Masses

Abstract

An overview of precision determinations of the strong coupling constant, as well as the top, bottom and charm quark masses is presented.

Comments: 12 pages, 3 figures, plenary talk presented at the XIth International Conference on Quark Confinement and the Hadron Spectrum, Saint Petersburg, Russia, September 8-12, 2014; minor modifications and update of reference list