Two-loop QCD Corrections to the Heavy Quark Form Factors: the Vector Contributions
Bernreuther, W. · Bonciani, R. · Gehrmann, T. · Heinesch, R. · Leineweber, T. · Mastrolia, P. · Remiddi, E.
Original · EN
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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