Next-to-Leading-Order QCD Corrections to Higgs Boson Production in Association with a Top Quark Pair and a Jet

H. van Deurzen, G. Luisoni, P. Mastrolia, E. Mirabella, G. Ossola, and T. Peraro

Phys. Rev. Lett. 111, 171801 – Published 25 October 2013

Abstract

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.

Received 9 August 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.171801

Authors & Affiliations

H. van Deurzen¹, G. Luisoni¹, P. Mastrolia^1,2, E. Mirabella¹, G. Ossola^3,4, and T. Peraro¹

¹Max-Planck-Institut für Physik, Föhringer Ring 6, 80805 München, Germany
²Dipartimento di Fisica e Astronomia, Università di Padova, and INFN Sezione di Padova, via Marzolo 8, 35131 Padova, Italy
³Physics Department, New York City College of Technology, The City University of New York, 300 Jay Street, Brooklyn, New York 11201, USA
⁴The Graduate School and University Center, The City University of New York, 365 Fifth Avenue, New York, New York 10016, USA

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Vol. 111, Iss. 17 — 25 October 2013

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