Next-to-leading-order QCD corrections to Higgs boson production in association with a top quark pair and a jet
| Autor: | Pierpaolo Mastrolia, G. Luisoni, E. Mirabella, Giovanni Ossola, Tiziano Peraro, H. van Deurzen |
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| Přispěvatelé: | Van Deurzen H., Luisoni G., Mastrolia P., Mirabella E., Ossola G., Peraro T. |
| Rok vydání: | 2013 |
| Předmět: |
Quantum chromodynamics
Physics Particle physics Top quark 010308 nuclear & particles physics Laurent series High Energy Physics::Lattice High Energy Physics::Phenomenology General Physics and Astronomy Higgs boson top quark Jets Jet (particle physics) 01 natural sciences Cross section (physics) Pseudorapidity 0103 physical sciences Higgs boson Invariant mass High Energy Physics::Experiment 010306 general physics |
| Zdroj: | Physical review letters. 111(17) |
| ISSN: | 1079-7114 |
| Popis: | We present the calculation of the cross section for Higgs boson production in association with a top quark pair plus one jet, at next-to-leading-order accuracy in QCD. All mass dependence is retained without recurring to any approximation. After including the complete next-to-leading-order QCD corrections, we observe a strong reduction in the scale dependence of the result. We also show distributions for the invariant mass of the top quark pair, with and without the additional jet, and for the transverse momentum and the pseudorapidity of the Higgs boson. Results for the virtual contributions are obtained with a novel reduction approach based on integrand decomposition via the Laurent expansion, as implemented in the library, NINJA. Cross sections and differential distributions are obtained with an automated setup which combines the GOSAM and SHERPA frameworks. |
| Databáze: | OpenAIRE |
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