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Related papers: Measuring the signal strength in ttH with H->bb

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We study chargino pair production on the heavy Higgs resonances at a muon collider in the MSSM. At $\sqrt{s} \approx 350$ GeV cross sections up to 2 pb are reached depending on the supersymmetric scenario and the beam energy spread. The…

High Energy Physics - Phenomenology · Physics 2011-09-13 H. Fraas , F. Franke , G. Moortgat-Pick , F. von der Pahlen , A. Wagner

We investigate the potential of precision Higgs factory measurements to discover signatures of a representative model of electroweak symmetry breaking in which the Higgs boson arises as a composite Nambu-Goldstone boson. In this model, as…

High Energy Physics - Phenomenology · Physics 2026-05-19 Kamal Maayergi , Devin G. E. Walker , Ora Cullen , Michael E. Peskin

A first search at the LHC for a new heavy resonance decaying to a top quark and a neutral scalar boson $\phi$ in the fully hadronic final state is presented, where the $\phi$ boson is identified by its decay into a bottom quark-antiquark…

High Energy Physics - Experiment · Physics 2026-04-14 CMS Collaboration

Single top quark production through weak interactions is considered to be an important source of charged Higgs in the Minimal Super Symmetric Standard Model. In the s-channel single top production having largest cross-section may appear as…

High Energy Physics - Phenomenology · Physics 2022-06-14 Ijaz Ahmed , Nadia Kausar , Mahpara Ghazanfar

Testing the Yukawa couplings of the Higgs boson to quarks and leptons is important to understand the origin of fermion masses. These proceedings will review several measurements of Higgs boson decays to two bottom quarks or two tau leptons,…

High Energy Physics - Experiment · Physics 2023-07-18 Khuram Tariq

We further elaborate on the proposal that the Higgs boson should be a broad heavy resonance, referred to as true Higgs $H_T$, with mass around $750 \, GeV$. We stress once again that within the Standard Model the true Higgs is the unique…

High Energy Physics - Phenomenology · Physics 2017-11-17 Paolo Cea

A study of the Higgs boson decaying into bottom quarks ($H \to b\bar{b}$) and charm quarks ($H \to c\bar{c}$) is performed, in the associated production channel of the Higgs boson with a $W$ or $Z$ boson, using $140\,\mathrm{fb}^{-1}$ of…

High Energy Physics - Experiment · Physics 2025-05-22 ATLAS Collaboration

We study top quark pair production in association with a Z boson at the Large Hadron Collider (LHC) and investigate the prospects of measuring the couplings of top quarks to the Z boson. To date these couplings have not been constrained in…

High Energy Physics - Phenomenology · Physics 2015-08-26 Raoul Röntsch , Markus Schulze

Most of the discussion regarding the Higgs boson couplings to Standard Model vector bosons and fermions is presented with respect to what present and future collider detectors will be able to measure. Here, we ask the more physics-based…

High Energy Physics - Phenomenology · Physics 2013-05-30 Rick S. Gupta , Heidi Rzehak , James D. Wells

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

Production of the Standard Model Higgs-boson at the photon collider at TESLA is studied for the Higgs-boson masses above 170 GeV. By reconstructing WW and ZZ final states, not only the h to gamma-gamma partial width but also the phase of…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Niezurawski , A. F. Zarnecki , M. Krawczyk

Higgs boson pair production is well known to probe the structure of the electroweak symmetry breaking sector. We illustrate using the gluon-fusion process $pp \to H \to h h \to (b\bar b) (b\bar b)$ in the framework of two-Higgs-doublet…

High Energy Physics - Phenomenology · Physics 2022-08-17 Kingman Cheung , Yi-Lun Chung , Shih-Chieh Hsu

A search for the Standard Model Higgs boson produced in association with a pair of top quarks, $t\bar{t}H$, is presented. The analysis uses 20.3 fb$^{-1}$ of pp collision data at $\sqrt{s}$ = 8 TeV, collected with the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2015-08-11 ATLAS Collaboration

Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton collisions during…

High Energy Physics - Experiment · Physics 2014-10-23 CMS Collaboration

We present a search for the production of a Higgs boson in association with a single top quark ($tHq$), using data samples collected by the CMS detector in $pp$ collisions at center-of-mass energy of 8 TeV corresponding to integrated…

High Energy Physics - Experiment · Physics 2015-10-06 Kenneth Bloom

Adding a scalar singlet provides one of the simplest extensions of the Standard Model. In this work we briefly review the latest constraints on the mass and mixing of the new Higgs boson and study its production and decay at the LHC. We…

High Energy Physics - Phenomenology · Physics 2015-01-16 Victor Martin-Lozano , Jesus M. Moreno , Chan Beom Park

This study utilises the Higgs Characterization model to investigate the $CP$ properties of the Higgs coupling to the top quark using the $tH$ and $t\bar{t}H$ generation processes. This is done via simulations of proton-proton collisions…

High Energy Physics - Phenomenology · Physics 2019-11-22 Martin Mosny

We analyse the prospects to detect at the LHC the neutral Higgs particles of the Minimal Supersymmetric Standard Model, when the masses of the two CP-even $h,H$ and of the CP-odd $A$ boson are close to one another, and the value of $\tb$ is…

High Energy Physics - Phenomenology · Physics 2015-06-25 Edward Boos , Abdelhak Djouadi , Alexander Nikitenko

We perform a detailed hadron-level study on the sensitivity of Higgs boson pair production via the $WW^{*}WW^{*}$ channel with the final state $3 \ell 2 j$ + missing $E_T$ at the LHC with the collision energy $\sqrt{S} = 14$ TeV and a…

High Energy Physics - Phenomenology · Physics 2015-07-22 Qiang Li , Zhao Li , Qi-Shu Yan , Xiaoran Zhao

A combination of searches for a new resonance decaying into a Higgs boson pair is presented, using up to 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the LHC. The combination includes…

High Energy Physics - Experiment · Physics 2024-06-17 ATLAS Collaboration
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