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arxiv: hep-ph/0406046 · v2 · submitted 2004-06-04 · ✦ hep-ph

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Two-loop QCD Corrections to the Heavy Quark Form Factors: the Vector Contributions

W. Bernreuther , R. Bonciani , T. Gehrmann , R. Heinesch , T. Leineweber , P. Mastrolia , E. Remiddi
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classification ✦ hep-ph
keywords factorsformdimensionalheavytwo-loopanalyticarbitrarycalculation
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We present closed analytic expressions of the electromagnetic vertex form factors for heavy quarks at the two-loop level in QCD for arbitrary momentum transfer. The calculation is carried out in dimensional regularization. The electric and magnetic form factors are expressed in terms of 1-dimensional harmonic polylogarithms of maximum weight 4.

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