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Related papers: The top--Higgs coupling at the LHC

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We complement the analysis of the anomalous top-Higgs coupling effects on the secondary lepton distributions in the associated production of the top-quark pair and Higgs boson in proton-proton collisions at the LHC of the former work by one…

High Energy Physics - Phenomenology · Physics 2015-09-07 Karol Kolodziej , Aleksandra Slapik

The differential distributions in rapidity and angles of the secondary lepton in the associated production of the top quark pair and higgs boson in proton-proton collisions at the LHC are quite sensitive to the top-higgs coupling. However,…

High Energy Physics - Phenomenology · Physics 2013-07-12 Karol Kolodziej

We consider the production of a single top quark in association with a Higgs boson at the LHC. In particular, we compute the cross sections for the processes $ p p \to t h j$, $t h b$, $t h W$, $t h j j$, $t h j b$, $t h W j$, $t h W b$ in…

High Energy Physics - Phenomenology · Physics 2013-12-20 Pankaj Agrawal , Subhadip Mitra , Ambresh Shivaji

We study the production of a Higgs boson in association to a top-antitop pair at the Large Hadron Collider. We show how precise predictions for the differential distributions with respect to the transverse momentum of the Higgs boson, to…

High Energy Physics - Phenomenology · Physics 2017-10-25 Alessandro Broggio , Andrea Ferroglia , Miguel C. N. Fiolhais , Antonio Onofre

We study the effects of top-Higgs anomalous coupling in the production of a pair of Higgs boson via gluon fusion at the Large Hadron Collider (LHC). The introduction of anomalous $ttH$ coupling can alter the hadronic double Higgs boson…

High Energy Physics - Phenomenology · Physics 2015-06-17 Kenji Nishiwaki , Saurabh Niyogi , Ambresh Shivaji

We study the angular correlation and the amount of top quark polarization in the production of a higgs boson in association with a single top quark in the $t-$channel at the LHC. We also study the effect of anomalous $Wtb$ couplings on the…

High Energy Physics - Phenomenology · Physics 2014-10-31 S. F. Taghavi , M. Mohammadi Najafabadi

We review the study of the charged Higgs and top quark associated production at the LHC with the presence of an additional scalar doublet. Top quark spin effects are related to the Higgs fermion couplings through this process. The angular…

High Energy Physics - Phenomenology · Physics 2014-04-22 Xue Gong , Zong-Guo Si , Shuo Yang , Ya-Juan Zheng

We study the sensitivities of non-standard top and Higgs couplings in the $pp\to thj$ process at the 14 TeV high-luminosity run of Large Hadron Collider (HL-LHC). We calculate top polarization and construct various lab-frame observables to…

High Energy Physics - Phenomenology · Physics 2015-12-24 Saurabh D. Rindani , Pankaj Sharma , Ambresh Shivaji

We study the off-shell production of the Higgs boson at the LHC to probe Higgs physics at higher energy scales utilizing the process $g g \rightarrow h^{*} \rightarrow ZZ$. We focus on the energy scale dependence of the off-shell Higgs…

High Energy Physics - Phenomenology · Physics 2018-07-25 Dorival Goncalves , Tao Han , Satyanarayan Mukhopadhyay

The LHC may be currently seeing the first hints of the Higgs boson. The dominant production mode for the Higgs at the LHC involves a top-quark loop. An accurate measurement of Higgs production cross-sections and decay widths can thus be…

High Energy Physics - Phenomenology · Physics 2012-11-28 Debajyoti Choudhury , Pratishruti Saha

We explore the sensitivity to new physics for the coupling of the Higgs boson ($h$) and top quark ($t$) at high energy scales with the process $pp\to t\bar{t}h$ at the high-luminosity LHC. This process probes the coupling in both the…

High Energy Physics - Phenomenology · Physics 2022-01-06 Roshan Mammen Abraham , Dorival Gonçalves , Tao Han , Sze Ching Iris Leung , Han Qin

We compute the inclusive and differential cross sections for the associated production of a top quark along with a charged Higgs boson at hadron colliders to next-to-leading order (NLO) in perturbative quantum chromodynamics (QCD) and in…

High Energy Physics - Phenomenology · Physics 2009-11-10 Edmond L Berger , Tao Han , Jing Jiang , Tilman Plehn

We study the LHC associated production of a Higgs boson and a W^+W^- vector-boson pair at 14 TeV, in the Standard Model and beyond. We consider different signatures corresponding to the cleanest H and W decay channels, and discuss the…

High Energy Physics - Phenomenology · Physics 2014-04-02 Emidio Gabrielli , Matti Heikinheimo , Luca Marzola , Barbara Mele , Christian Spethmann , Hardi Veermae

Through top-quark pair productions at LHC, we study possible effects of nonstandard top-gluon couplings yielded by SU(3)xSU(2)xU(1) invariant dimension-6 effective operators. We calculate the total cross section and also some distributions…

High Energy Physics - Phenomenology · Physics 2010-02-17 Zenro Hioki , Kazumasa Ohkuma

We discuss the impact and potential discovery of physics beyond the Standard Model, coupling to the Higgs sector, at the LHC. Using a model-independent effective Lagrangian approach, pure Higgs and Higgs-gauge operators are analyzed, and…

High Energy Physics - Phenomenology · Physics 2015-05-28 F. Bonnet , M. B. Gavela , T. Ota , W. Winter

We analyze, within several parameter scenarios of type-II two-Higgs doublet extensions of the standard model, the impact of heavy neutral Higgs-boson resonances on top-quark pair production and their subsequent decay to dileptonic final…

High Energy Physics - Phenomenology · Physics 2017-05-24 Werner Bernreuther , Peter Galler , Zong-Guo Si , Peter Uwer

We compute the O(alpha_s^3) inclusive cross section for the process pp -> t-tbar-h in the Standard Model, at sqrt(s)=14 TeV. The next-to-leading order corrections drastically reduce the renormalization and factorization scale dependence of…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dawson , L. H. Orr , L. Reina , D. Wackeroth

Differential cross sections of secondary particles in a process of top quark pair production and decay into six fermions at a linear collider with an unpolarized and a longitudinally polarized electron beam are computed to the lowest order…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. Kolodziej

One of the future goals of the LHC is to precisely measure the properties of Higgs boson. The associated production of Higgs boson and the top quark pair is a promising process to investigate the related Yukawa interaction and the…

High Energy Physics - Phenomenology · Physics 2016-06-22 Hong-Lei Li , Peng-Cheng Lu , Zong-Guo Si , Ying Wang

Deviations from SM expectations in the Higgs sector can be parameterized by an effective Lagrangian. The corresponding anomalous couplings have been implemented in a Monte Carlo program for Higgs production in vector boson fusion, at NLO…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Figy , V. Hankele , G. Klamke , D. Zeppenfeld
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