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

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

2004-06-04

arxiv.org/abs/hep-ph/0406046v2

Nucl.Phys. B706 (2005) 245-324

Physics

High Energy Physics

High Energy Physics - Phenomenology

79 pages, 3 figures. Version accepted by Nucl. Phys. B. All the results in Section 6 of the paper are available in an electron

Scientific paper

10.1016/j.nuclphysb.2004.10.059

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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