Small-size instanton corrections to the τ hadronic width

Paolo Nason, Massimo Porrati

    Research output: Contribution to journalArticle

    Abstract

    We compute the effect of small-size instanton corrections to current-current correlators, for all combinations of axial, vector, and possibly flavour non-diagonal currents. We apply our result to the harmonic decays of the τ lepton, in order to assess the reliability of the determination of αs from the τ hadronic width.

    Original languageEnglish (US)
    Pages (from-to)518-529
    Number of pages12
    JournalNuclear Physics, Section B
    Volume421
    Issue number3
    DOIs
    StatePublished - Jun 27 1994

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    instantons
    correlators
    leptons
    harmonics
    decay

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Small-size instanton corrections to the τ hadronic width. / Nason, Paolo; Porrati, Massimo.

    In: Nuclear Physics, Section B, Vol. 421, No. 3, 27.06.1994, p. 518-529.

    Research output: Contribution to journalArticle

    Nason, Paolo ; Porrati, Massimo. / Small-size instanton corrections to the τ hadronic width. In: Nuclear Physics, Section B. 1994 ; Vol. 421, No. 3. pp. 518-529.
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