QCD formulation of the tau decay and determination of Lambda (MS)
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QCD formulation of the tau decay and determination of Lambda (MS)

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QCD formulation of the tau decay and determination of Lambda (MS)

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Narison, Stephan; Pich Zardoya, Antonio Perfil
This document is a artículoDate1988

Este documento está disponible también en : http://hdl.handle.net/10550/39702
We present a simple formulation of the inclusive and exclusive semi-hadronic decays of the tau lepton using QCD-duality finite energy sum rules (FESRs). We find that the tau decay is a good laboratory for measuring the QCD scale Lambda. Within the present experimental accuracy, we obtain LambdaMS ⋍ 100-200 MeV to four loops. This prediction can be sensibly improved once the experimental situation has been clarified.

    Narison, Stephan Pich Zardoya, Antonio 1988 QCD formulation of the tau decay and determination of Lambda (MS) Physics Letters B 211 1-2 183 188
http://dx.doi.org/10.1016/0370-2693(88)90830-1

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