Duality violations in hadronic tau decays and the value of alpha_s

Details Duality violations in hadronic tau decays and the value of alpha_s Duality violations in hadronic tau decays and the value of alpha_s

2011-03-22

arxiv.org/abs/1103.4194v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

2 pages, contribution to Workshop on Precision Measurements of alpha_S, Feb. 9-11, 2011, Munich, Germany

Scientific paper

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.

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