Pion form factor

Glennys R. Farrar, Darrell R. Jackson

    Research output: Contribution to journalArticlepeer-review


    We give the normalized leading asymptotic Q2 dependence of the pion form factor in quantum chromodynamics: Fπ(Q2)→Q2→±a-2fπ2bQ2n|Q2|, where fπ is the pion decay constant and b=(11-23Nf)16π2. Up to non-leading-logarithmic corrections, this is equivalent to Fπ(Q2)→Q2→±a 8παs(Q2)fπ2(-Q2). These results are obtained by solving the light-cone pion Bethe-Salpeter equation in quantum chromodynamics to leading-logarithmic accuracy.

    Original languageEnglish (US)
    Pages (from-to)246-249
    Number of pages4
    JournalPhysical Review Letters
    Issue number4
    StatePublished - 1979

    ASJC Scopus subject areas

    • General Physics and Astronomy


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