QCD Tests from Tau Decays

Details QCD Tests from Tau Decays QCD Tests from Tau Decays

1997-01-16

arxiv.org/abs/hep-ph/9701305v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, latex, 3 Postscript figures, uses sprocl.sty, Invited Talk at the 20th Johns Hopkins Workshop --Non Perturbative Par

Scientific paper

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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