QCD Predictions for the Tau Hadronic Width: Determination of alpha_s(M_τ^2)

Details QCD Predictions for the Tau Hadronic Width: Determination of alpha_s(M_τ^2) QCD Predictions for the Tau Hadronic Width: Determination of alpha_s(M_τ^2)

1994-12-12

arxiv.org/abs/hep-ph/9412273v1

Nucl.Phys.Proc.Suppl. 39BC (1995) 326

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, LaTex: uses epsfig, twoside, fleqn, espcrc2 (included at end, find % CUT HERE %), 1 figure (included in separate uu

Scientific paper

10.1016/0920-5632(95)00097-S

The total $\tau$ hadronic width can be accurately calculated using
analyticity and the operator product expansion. The theoretical analysis of
this observable is updated to include all available perturbative and
non-perturbative corrections. The experimental determination of
$\alpha_s(M_\tau^2)$ and its actual uncertainties are discussed.

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