Publication: Two-loop helicity amplitudes for V+jet production including axial vector couplings to higher orders in ϵ
Two-loop helicity amplitudes for V+jet production including axial vector couplings to higher orders in ϵ
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Gehrmann, T., Jakubčík, P., Mella, C. C., Syrrakos, N., & Tancredi, L. (2023). Two-loop helicity amplitudes for V+jet production including axial vector couplings to higher orders in ϵ. Journal of High Energy Physics, 2023, 192. https://doi.org/10.1007/jhep09(2023)192
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We compute the two-loop Quantum Chromodynamics (QCD) corrections to all partonic channels relevant for the production of an electroweak boson V = Z, W$^{±}$, γ$^{*}$ and a jet at hadron colliders. We consider the decay of a vector boson V to three partons V → $$ q\overline{q}g $$, V → ggg with a vector and axial vector coupling in both channels, including singlet and non-singlet contributions. For the quark channel, we use a recent tensor decomposition and extend the calculation to $$ \mathcal{O} $$(ϵ$^{2}$
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- Jakubčík, Petr
- Mella, Cesare Carlo
- Syrrakos, Nikolaos
- Tancredi, Lorenzo
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Gehrmann, T., Jakubčík, P., Mella, C. C., Syrrakos, N., & Tancredi, L. (2023). Two-loop helicity amplitudes for V+jet production including axial vector couplings to higher orders in ϵ. Journal of High Energy Physics, 2023, 192. https://doi.org/10.1007/jhep09(2023)192
