arXiv:1103.4194·v1·High Energy Physics — Phenomenology
Duality violations in hadronic tau decays and the value of alpha_s
Diogo Boito🇪🇸 · Oscar Cata🇪🇸 · Maarten Golterman🇺🇸 · Matthias Jamin🇪🇸 · Kim Maltman🇨🇦 · James Osborne🇺🇸 · Santiago Peris🇪🇸
Abstract
We discuss the quantitative impact of duality violations on the determination of the strong coupling constant from hadronic tau decays, based on a preliminary analysis of OPAL data.
Comments: 2 pages, contribution to Workshop on Precision Measurements of alpha_S, Feb. 9-11, 2011, Munich, Germany