English
Related papers

Related papers: LHC Limits on the Top-Higgs in Models with Strong …

200 papers

The current Large Hadron Collider data indicates that the newly observed resonance has the WW and ZZ modes consistent with the standard model Higgs boson, while the \gamma\gamma mode is about 1.2 - 2 times that of the standard model…

High Energy Physics - Phenomenology · Physics 2013-03-27 Jung Chang , Kingman Cheung , Po-Yan Tseng , Tzu-Chiang Yuan

This paper presents a combined analysis of the potential of a future electron-positron collider to constrain the Higgs, top and electro-weak (EW) sectors of the Standard Model Effective Field Theory (SMEFT). The leading contributions of…

High Energy Physics - Phenomenology · Physics 2020-06-29 Sunghoon Jung , Junghwan Lee , Martin Perelló , Junping Tian , Marcel Vos

The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6/fb of proton-proton collision data at sqrt(s) = 7 TeV collected by the ATLAS experiment at the Large Hadron Collider, using top quark pair events…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

We analyze the extent to which the LHC and Tevatron results as of the end of 2012 constrain invisible (or undetected) decays of the Higgs boson-like state at ~ 125 GeV. To this end we perform global fits for several cases: 1) a Higgs boson…

High Energy Physics - Phenomenology · Physics 2013-06-14 G. Belanger , B. Dumont , U. Ellwanger , J. F. Gunion , S. Kraml

We study the heavy charged Higgs boson (from 800 GeV to 1500 GeV in this study) in production associated with a top quark at the LHC with the collision energy $\sqrt{s}=14$ TeV. Such a heavy charged Higgs boson can dominantly decay into a…

High Energy Physics - Phenomenology · Physics 2015-06-03 Shuo Yang , Qi-Shu Yan

Suppose a heavy neutral Higgs or scalar boson $H$ is discovered at the LHC, it is important to investigate its couplings to the standard model particles as much as possible. Here in this work we attempt to probe the CP-even and CP-odd…

High Energy Physics - Phenomenology · Physics 2018-07-04 Jung Chang , Kingman Cheung , Jae Sik Lee , Chih-Ting Lu , Jubin Park

The Higgs production and decay rates offer a new way to probe new physics beyond the Standard Model. While dynamics aiming at alleviating the hierarchy problem generically predict deviations in the Higgs rates, the current experimental…

High Energy Physics - Phenomenology · Physics 2015-06-18 Christophe Grojean , Ennio Salvioni , Matthias Schlaffer , Andreas Weiler

In many new physics scenarios, the particle content of the Standard Model is extended and the Higgs couplings are modified, sometimes without affecting single Higgs production. We analyse two models with additional quarks. In these models,…

High Energy Physics - Phenomenology · Physics 2014-10-20 Sally Dawson , Elisabetta Furlan , Ian Lewis

A search for a standard-model-like Higgs boson in the H to WW and H to ZZ decay channels is reported, for Higgs boson masses in the range 145 < m[H] < 1000 GeV. The search is based upon proton-proton collision data samples corresponding to…

High Energy Physics - Experiment · Physics 2013-06-21 CMS Collaboration

A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton-proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass energies of 7…

High Energy Physics - Experiment · Physics 2015-09-07 CMS Collaboration

The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=7$ TeV…

High Energy Physics - Experiment · Physics 2015-12-22 ATLAS Collaboration

Loop-induced decay of a neutral Higgs boson into a pair of gluons or photons has great implications for the Higgs discovery at the LHC. If the Higgs boson is heavy with mass above $\sim 500\gev$, however, these radiative branching ratios…

High Energy Physics - Phenomenology · Physics 2012-03-13 Sanghyeon Chang , Kang Young Lee , Jeonghyeon Song

This Letter presents the first search for bottom quark associated production of the standard model Higgs boson, in final states with leptons. Higgs boson decays to pairs of tau leptons and pairs of leptonically decaying W bosons are…

High Energy Physics - Experiment · Physics 2024-12-18 CMS Collaboration

The Higgs boson recently discovered at the Large Hadron Collider has shown to have couplings to the remaining particles well within what is predicted by the Standard Model. The search for other new heavy scalar states has so far revealed to…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. Arhrib , P. M. Ferreira , R. Santos

A search for charged Higgs bosons decaying into a top quark and a bottom quark is presented. The data analysed correspond to 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$=13TeV, recorded with the ATLAS detector at the LHC. The…

High Energy Physics - Experiment · Physics 2021-07-13 ATLAS Collaboration

A search is conducted for a new beyond-the-Standard-Model boson using events where a Higgs boson with mass 125 GeV decays to four leptons ($\ell =$ $e$ or $\mu$). This decay is presumed to occur via an intermediate state which contains one…

High Energy Physics - Experiment · Physics 2018-07-25 ATLAS Collaboration

We combine results from CDF and DO searches for a standard model Higgs boson in ppbar collisions at the Fermilab Tevatron, at sqrt{s}=1.96 TeV. With 3.0 fb-1 of data analyzed at CDF, and at DO, the 95% C.L. upper limits on Higgs boson…

High Energy Physics - Experiment · Physics 2008-08-06 Tevatron New Phenomena , Higgs working group , CDF Collaboration , D0 Collaboration

A search for a light charged Higgs boson (H$^+$) decaying to a W boson and a CP-odd Higgs boson (A) in final states with e$\mu\mu$ or $\mu\mu\mu$ is performed using data from pp collisions at $\sqrt{s}=$ 13 TeV, recorded by the CMS detector…

High Energy Physics - Experiment · Physics 2019-10-02 CMS Collaboration

The gold-plated discovery mode of a Standard Model like Higgs boson at the CERN Large Hadron Collider (LHC) is the H -> Z^0 Z^0 decay mode. To find and then measure the properties of the Higgs, it is crucial to have the most precise…

High Energy Physics - Phenomenology · Physics 2014-11-17 C. Balazs , C. -P. Yuan

We study the features of the additional Higgs bosons in the Next-to-Minimal Supersymmetric Standard Model where the lightest beyond Standard Model Higgs boson does not dominantly couple to up-type quarks. The new state is dominantly…

High Energy Physics - Phenomenology · Physics 2019-06-04 Debottam Das