The real radiation antenna function for \( S \to Q\bar{Q}q\bar{q} \) at NNLO QCD

DOI10.1007/JHEP06(2011)032zbMATH Open1298.81368arXiv1105.0530MaRDI QIDQ466738

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Publication date: 27 October 2014

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Abstract: As a first step towards the application of the antenna subtraction formalism to NNLO QCD reactions with massive quarks, we determine the real radiation antenna function and its integrated counterpart for reactions of the type $$, where $S$ denotes an uncolored initial state and $Q$, $q$ a massive and massless quark, respectively. We compute the corresponding integrated antenna function in terms of harmonic polylogarithms. As an application and check of our results we calculate the contribution proportional to $alph{a}_s^2{e}_Q^2{N}_f$ to the inclusive heavy-quark pair production cross ection in $e^{+}{e}^{-}$ annihilation.

Full work available at URL: https://arxiv.org/abs/1105.0530

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