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The measurement of the Yukawa coupling of the top quark is one important goal of particle physics after the discovery of the Higgs boson. There are two processes that offer the possibility to directly measure the Yukawa coupling of the top…

High Energy Physics - Experiment · Physics 2017-11-23 Isabel Nitsche

A search for the production of Higgs boson pairs in proton-proton collisions at a centre-of-mass energy of 13 TeV is presented, using a data sample corresponding to an integrated luminosity of 35.9 inverse femtobarns collected with the CMS…

High Energy Physics - Experiment · Physics 2018-02-05 CMS Collaboration

If the fundamental Planck scale is near a TeV, then TeV scale black holes should be produced in proton-proton collisions at the LHC where \sqrt{s} = 14 TeV. As the temperature of the black holes can be ~ 1 TeV we also expect production of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gouranga C. Nayak , J. Smith

A search for the production of a Higgs boson in association with a single top quark (tH) is performed using the decay $\text{H} \to \text{b}\bar{\text{b}}$. This Higgs boson production mode is sensitive to the coupling modifiers of the…

High Energy Physics - Experiment · Physics 2017-11-21 Denise Mueller

The associated production of Higgs boson and single top quark is of particular interest since it is senstive to the relative sign of the Higgs boson coupling to gauge bosons and the Yukawa coupling $y$ to fermions. The presented analysis is…

High Energy Physics - Experiment · Physics 2019-08-13 Benedikt Maier

After the Higgs boson discovery in 2012, the investigation of its properties and compatibility with the standard model predictions is central to the physics program of the LHC experiments. Likewise, the study of the top quark is still…

High Energy Physics - Experiment · Physics 2017-08-29 Rebeca Gonzalez Suarez

The associated production of a Higgs boson with a b quark is a discovery mode for an MSSM Higgs boson at large tan beta. We present updates on the production rate at the LHC, along with a discussion of the importance of the SQCD corrections…

High Energy Physics - Phenomenology · Physics 2011-05-12 S. Dawson , C. B. Jackson , P. Jaiswal

We review the present status of the QCD corrected cross sections and kinematic distributions for the production of a Higgs boson in association with bottom quarks at the Fermilab Tevatron and CERN Large Hadron Collider. Results are…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Dawson , C. B. Jackson , L. Reina , D. Wackeroth

We review Higgs production at hadron colliders via vector-boson fusion and via gluon fusion, fully inclusively and in association with one and two jets. Then we address the issue of the measurement of the coupling of the Higgs to the vector…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Del Duca

The dominant production process for heavy charged Higgs bosons at the LHC is the associated production with heavy quarks. We have calculated the next-to-leading-order supersymmetric QCD corrections to charged-Higgs production through the…

High Energy Physics - Phenomenology · Physics 2011-03-21 Stefan Dittmaier , Michael Krämer , Michael Spira , Manuel Walser

Precision measurements of top-associated Higgs production are an important ingredient to unravel the $\mathcal{CP}$ nature of the Higgs boson. In this work, we constraint the $\mathcal{CP}$ nature of the top-Yukawa coupling taking into…

High Energy Physics - Phenomenology · Physics 2021-07-23 Henning Bahl

Higgs bosons from an extended Higgs sector, such as a two-Higgs-doublet model, can have greatly enhanced coupling to the bottom quark. Producing such a Higgs boson in association with a single high-p_T bottom quark via g b -> h b allows for…

High Energy Physics - Phenomenology · Physics 2010-04-06 J. Campbell , R. K. Ellis , F. Maltoni , S. Willenbrock

The associated production of a Higgs boson with a top quark-antiquark pair ($\text{t}\bar{\text{t}}\text{H}$ production) or with a single top quark ($\text{tH}$ production) allows a direct measurement of the top-Higgs-Yukawa coupling with…

High Energy Physics - Experiment · Physics 2016-12-19 Matthias Schröder

We review the status of theoretical predictions for the production of neutral Higgs bosons at the LHC. Special emphasis is put on the role of bottom quarks in the gluon fusion process and in the associated production of Higgs bosons with…

High Energy Physics - Phenomenology · Physics 2011-09-13 Robert Harlander

I present theoretical results for charged Higgs production in association with a $W$ boson or a top quark at the LHC. I calculate higher-order threshold corrections and show that they are very significant. I present detailed results for…

High Energy Physics - Phenomenology · Physics 2023-02-21 Nikolaos Kidonakis

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…

High Energy Physics - Phenomenology · Physics 2011-07-06 Rikkert Frederix , Stefano Frixione , Valentin Hirschi , Fabio Maltoni , Roberto Pittau , Paolo Torrielli

We first build a minimal model of vector-like quarks where the dominant Higgs boson production process at LHC -- the gluon fusion -- can be significantly suppressed, being motivated by the recent stringent constraints from the search for…

High Energy Physics - Phenomenology · Physics 2013-05-30 A. Azatov , O. Bondu , A. Falkowski , M. Felcini , S. Gascon-Shotkin , D. K. Ghosh , G. Moreau , A. Y. Rodriguez-Marrero , S. Sekmen

We present the Higgs Characterisation (HC) framework to study the properties of the Higgs boson observed at 125 GeV. In this report, we focus on CP properties of the top-quark Yukawa interaction, and show predictions at next-to-leading…

High Energy Physics - Phenomenology · Physics 2015-05-27 Federico Demartin , Kentarou Mawatari , Eleni Vryonidou , Marco Zaro

A precise measurement of the Higgs boson couplings to bottom and top quarks is of paramount importance during the upcoming LHC runs. We present a comprehensive analysis for the Higgs production process in association with a…

High Energy Physics - Phenomenology · Physics 2016-01-27 Niccolo Moretti , Petar Petrov , Stefano Pozzorini , Michael Spannowsky

We investigate the production of Higgs particles in association with the supersymmetric scalar partners of the top quark at proton colliders. In the minimal supersymmetric extension of the Standard Model, the cross sections for the…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Djouadi , J. -L. Kneur , G. Moultaka