Publication: Higgs Boson Production in Association with a Top-Antitop Quark Pair in Next-to-Next-to-Leading Order QCD
Higgs Boson Production in Association with a Top-Antitop Quark Pair in Next-to-Next-to-Leading Order QCD
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Catani, S., Devoto, S., Grazzini, M., Kallweit, S., Mazzitelli, J., & Savoini, C. (2023). Higgs Boson Production in Association with a Top-Antitop Quark Pair in Next-to-Next-to-Leading Order QCD. Physical Review Letters, 130(11), 111902. https://doi.org/10.1103/physrevlett.130.111902
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The associated production of a Higgs boson with a top-antitop quark pair is a crucial process at the LHC since it allows for a direct measurement of the top-quark Yukawa coupling. We present the computation of the radiative corrections to this process at the next-to-next-to-leading order (NNLO) in QCD perturbation theory. This is the very first computation for a 2→3 process with massive colored particles at this perturbative order. We develop a soft Higgs boson approximation for loop amplitudes, which enables us to reliably quantify t
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- Catani, Stefano
- Devoto, Simone
- Grazzini, Massimiliano
- Kallweit, Stefan
- Mazzitelli, Javier
- Savoini, Chiara
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Catani, S., Devoto, S., Grazzini, M., Kallweit, S., Mazzitelli, J., & Savoini, C. (2023). Higgs Boson Production in Association with a Top-Antitop Quark Pair in Next-to-Next-to-Leading Order QCD. Physical Review Letters, 130(11), 111902. https://doi.org/10.1103/physrevlett.130.111902
