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

被引：20
作者：
van Deurzen, H. [1 ]
Luisoni, G. [1 ]
Mastrolia, P. [1 ,2 ,3 ]
Mirabella, E. [1 ]
Ossola, G. [4 ,5 ,6 ]
Peraro, T. [1 ]
机构：
[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[2] Univ Padua, Dipartimento Fis & Astron, I-35131 Padua, Italy
[3] Ist Nazl Fis Nucl, Sezione Padova, I-35131 Padua, Italy
[4] CUNY, New York City Coll Technol, Dept Phys, Brooklyn, NY 11201 USA
[5] CUNY, Grad Sch, New York, NY 10016 USA
[6] CUNY, Univ Ctr, New York, NY 10016 USA
来源：
PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 17期
基金：
美国国家科学基金会;
关键词：
LOOP; AMPLITUDES; INTEGRALS; LIBRARY;
D O I：
10.1103/PhysRevLett.111.171801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
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页数：5
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