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Quark and gluon form factors to three loops

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 نشر من قبل Matthias Steinhauser
 تاريخ النشر 2009
  مجال البحث
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We compute the form factors of the photon-quark-anti-quark vertex and the effective vertex of a Higgs boson and two gluons to three-loop order within massless perturbative Quantum Chromodynamics. These results provide building blocks for many third-order cross sections. Furthermore, this is the first calculation of complete three-loop vertex corrections.



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