Two-loop QCD corrections to the heavy quark form factors: the vector contributions
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Publication:874578
DOI10.1016/J.NUCLPHYSB.2004.10.059zbMATH Open1137.81380arXivhep-ph/0406046OpenAlexW2005718387MaRDI QIDQ874578
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Publication date: 10 April 2007
Published in: (Search for Journal in Brave)
Abstract: 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.
Full work available at URL: https://arxiv.org/abs/hep-ph/0406046
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