English
Related papers

Related papers: Higgs production in association with a single top …

200 papers

We argue that the leading-order subprocess for Higgs-boson production in association with bottom quarks is (b\bar{b} -> H). This process is an important source of Higgs bosons with enhanced Yukawa coupling to bottom quarks. We calculate the…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Dicus , T. Stelzer , Z. Sullivan , S. Willenbrock

We study the modeling of $t$-channel single top-quark production at Large Hadron Collider (LHC) energies. We compare predictions at next-to-next-to-leading order in a 5-flavor scheme to those of next-to-leading order in a 4-flavor scheme,…

High Energy Physics - Phenomenology · Physics 2020-10-30 Jun Gao , Edmond L. Berger

The associated production of top-antitop-bottom-antibottom quarks is a relevant irreducible background for Higgs boson analyses in the top-antitop-Higgs production channel, with Higgs decaying into a bottom-antibottom quark pair. We…

High Energy Physics - Phenomenology · Physics 2017-09-21 G. Bevilacqua , M. V. Garzelli , A. Kardos

We investigate Higgs-boson pair production at the LHC when the final state system arises from decays of vector-like quarks coupling to the Higgs boson and the Standard Model quarks. Our phenomenological study includes next-to-leading-order…

High Energy Physics - Phenomenology · Physics 2017-07-06 Giacomo Cacciapaglia , Haiying Cai , Alexandra Carvalho , Aldo Deandrea , Thomas Flacke , Benjamin Fuks , Devdatta Majumder , Hua-Sheng Shao

In this proceedings some studies on the prospects of single top production at the Large Hadron Electron Collider (LHeC) and double Higgs production at the Future Circular Hadron Electron Collider (FCC-he) shall be presented. In particular,…

High Energy Physics - Phenomenology · Physics 2015-10-28 Mukesh Kumar

In the context of the left-right twin Higgs (LRTH) model, we first examine the effects on the $Zt\bar t$ production at the ILC and LHC. Our results show that the cross-sections can be significantly deviated from the standard model…

High Energy Physics - Phenomenology · Physics 2014-03-05 Jinzhong Han , Bingfang Yang , Xiantu Zhang

In this paper, we examine the potential of Higgs boson production associated with a photon at the LHC to probe the new physics effects in the framework of the standard model effective field theory. It is shown that the differential…

High Energy Physics - Phenomenology · Physics 2017-09-21 Hamzeh Khanpour , Sara Khatibi , Mojtaba Mohammadi Najafabadi

The strategies recently developed to study Higgs boson properties at the LHC are reviewed. It is shown how to obtain model-independent determinations of couplings to fermions and gauge bosons by exploiting different production and decay…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Piccinini , A. D. Polosa

We study the production of a Standard Model (SM) Higgs boson in association with a single top quark and either a light jet or $W$-boson at the LHC with a center of mass energy of 14 TeV. Due to the destructive interference of the…

High Energy Physics - Phenomenology · Physics 2010-05-12 Vernon Barger , Mathew McCaskey , Gabe Shaughnessy

We present theoretical predictions for selected differential cross sections for the process $pp \to t \bar{t} B$ at the LHC, where $B$ can be a Higgs ($H$), a $Z$ or a $W$ boson. The predictions are calculated in the direct QCD framework up…

High Energy Physics - Phenomenology · Physics 2020-05-25 Anna Kulesza , Leszek Motyka , Daniel Schwartländer , Tomasz Stebel , Vincent Theeuwes

The top quark and the Higgs boson play a special role in the fundamental interactions of the standard model. The observation of the top quark pair production in association with the Higgs boson establishes the first direct measurement of…

High Energy Physics - Experiment · Physics 2018-10-16 Kirill Skovpen

Following arXiv:1506.00612, an effective field theory approach has been introduced for two additional real scalars, $H$ and $\chi$, to study the associated Higgs boson ($h$) production with top quarks at the Large Hadron Collider with…

High Energy Physics - Phenomenology · Physics 2017-03-02 Skhathisomusa Mthembu , Mukesh Kumar

In this contribution we present our recent computation of the NNLO QCD corrections to the production of a Higgs boson associated with a top-antitop quark pair. This process is of great importance since it allows for a direct measurement of…

High Energy Physics - Phenomenology · Physics 2023-10-10 Simone Devoto

We compute the hadronic production of top-antitop pairs in association with a Higgs boson at next-to-leading-order QCD, including the decay of the top and antitop quark into bottom quarks and leptons. Our computation is based on full…

High Energy Physics - Phenomenology · Physics 2016-01-27 Ansgar Denner , Robert Feger

A study of the $CP$ properties of the interaction between the Higgs boson and top quarks is presented. Higgs bosons are identified via the diphoton decay channel ($H \rightarrow \gamma\gamma$) and their production in association with a top…

High Energy Physics - Experiment · Physics 2020-08-12 ATLAS Collaboration

The LHC sensitivity to an anomalous Higgs coupling to the top quark in the Higgs-top associated production is analyzed. Thanks to the strong destructive interference in the t-channel for standard model couplings, this process can be very…

High Energy Physics - Phenomenology · Physics 2013-09-25 Sanjoy Biswas , Emidio Gabrielli , Barbara Mele

The Higgs boson trilinear and quartic self-couplings are directly related to the shape of the Higgs potential; measuring them with precision is extremely important, as they provide invaluable information on the electroweak symmetry breaking…

High Energy Physics - Experiment · Physics 2022-03-24 Angela Taliercio , Paola Mastrapasqua , Claudio Caputo , Pietro Vischia , Nicola De Filippis , Pushpalatha Bhat

In this study, predictions obtained in the four and in the five flavour schemes are compared for two important processes involving heavy flavours at the LHC: the production of a $Z$ or a Higgs boson in association with $b$ quarks. In…

High Energy Physics - Phenomenology · Physics 2017-07-03 Davide Napoletano , Frank Krauss , Steffen Schumann

We study the production and possible detection of a single Higgs boson in association with a top quark in proton-proton collisions ($pp \to th + X$) at the High-Luminosity Large Hadron Collider. This process absent in the Standard Model is…

High Energy Physics - Phenomenology · Physics 2025-07-17 V. M. López-Guerrero , M. A. Arroyo-Ureña , J. L. Díaz-Cruz , O. Félix-Beltrán , T. A. Valencia-Pérez

We investigate Higgs boson pair production at hadron colliders for Higgs boson masses m_H\leq 140 GeV and rare decay of one of the two Higgs bosons. While in the Standard Model the number of events is quite low at the LHC, a first, albeit…

High Energy Physics - Phenomenology · Physics 2014-11-17 U. Baur , T. Plehn , D. Rainwater