Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-05-03
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 32 pages
Scientific paper
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 $S \to Q{\bar Q} q {\bar q}$, 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 $\alpha_s^2 e^2_Q N_f$ to the inclusive heavy-quark pair production cross ection in $e^+e^-$ annihilation.
Bernreuther Werner
Bogner Christian
Dekkers Oliver
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