Scalar and pseudoscalar Higgs production in association with a top-antitop pair

被引：113

作者：

Frederix, R. ^{[1
]}

Frixione, S. ^{[2
,3
]}

Hirschi, V. ^{[3
]}

Maltoni, F. ^{[4
]}

Pittau, R. ^{[2
,5
,6
]}

Torrielli, P. ^{[3
]}

机构：

[1] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland

[2] CERN, TH Unit, PH Dept, CH-1211 Geneva 23, Switzerland

[3] Ecole Polytech Fed Lausanne, ITPP, CH-1015 Lausanne, Switzerland

[4] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, Louvain, Belgium

[5] Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain

[6] Univ Granada, CAFPE, E-18071 Granada, Spain

来源：

PHYSICS LETTERS B | 2011年 / 701卷 / 04期

基金：

瑞士国家科学基金会;

关键词：

Higgs boson; Top quarks; NLO; Parton shower; LHC; QCD CORRECTIONS; BROKEN SYMMETRIES;

D O I：

10.1016/j.physletb.2011.06.012

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the calculation of scalar and pseudoscalar Higgs production in association with a top-antitop pair to the next-to-leading order (NLO) accuracy in QCD, interfaced with parton showers according to the MC@NLO formalism. We apply our results to the cases of light and very light Higgs boson production at the LHC, giving results for total rates as well as for sample differential distributions, relevant to the Higgs, to the top quarks, and to their decay products. This work constitutes the first phenomenological application of aMC@NLO, a fully automated approach to complete event generation at NLO in QCD. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：427 / 433

页数：7

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