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Related papers: Higgs Searches at LEP

200 papers

The dominance of $h\to \eta \eta$ decay mode for the intermediate mass Higgs boson is highly motivated to solve the little hierarchy problem and to ease the tension with the precision data. However, the discovery modes for $m_h \alt 150$…

High Energy Physics - Phenomenology · Physics 2007-10-11 Kingman Cheung , Jeonghyeon Song , Qi-Shu Yan

A summary of the Higgs boson searches by the ATLAS and CMS collabrations using 1 f b-1 of LHC data is presented, concentrating on the Standard Model Higgs boson. Both experiments have the sensitivity to exclude at 95% CL a Standard Model…

High Energy Physics - Experiment · Physics 2012-01-24 William Murray

A search for a Higgs boson in the four-lepton decay channel H to ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range 110 < mH < 600 GeV. The analysis uses data…

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

During the run in the year 2000, with data collected at collision energies up to 209 GeV, the LEP experiments have possibly unearthed the first evidence of a Higgs boson signal at mh=115 GeV/c2. The preliminary combined results prepared…

High Energy Physics - Experiment · Physics 2007-05-23 Pedro Teixeira-Dias

Most recent tests of the Standard Model of the electroweak interaction are reported using data from the four LEP experiments ALEPH, DELPHI, L3 and OPAL, the SLD experiment at SLC, the Tevatron ppbar experiments CDF and D0, and the NuTeV…

High Energy Physics - Experiment · Physics 2007-05-23 T. Kawamoto

A search for a pair of neutral, scalar bosons with each decaying into two $W$ bosons is presented using 36.1 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron…

High Energy Physics - Experiment · Physics 2019-05-30 ATLAS Collaboration

We consider the production of a light non-standard model Higgs boson of order $100~\GEV$ with an associated $W$ boson at CERN Large Hadron Collider. We focus on an interesting scenario that, the Higgs boson decays predominately into two…

High Energy Physics - Phenomenology · Physics 2010-11-08 Chuan-Ren Chen , Mihoko M. Nojiri , Warintorn Sreethawong

The latest results in the search for rare and exotic Higgs boson decays in proton-proton collision events collected with the CMS detector at the LHC are presented. The searches are performed for several decay modes of Higgs boson including…

High Energy Physics - Experiment · Physics 2018-08-29 Junquan Tao

We briefly summarize some searches for Higgs bosons with a mass of m_phi <= 110 GeV at LEP and the LHC. We discuss a possible signal in the diphoton decay mode at m_phi = 96 GeV as reported by CMS, together with a 2 sigma hint in the bb…

High Energy Physics - Phenomenology · Physics 2018-12-17 S. Heinemeyer , T. Stefaniak

The quest for the Higgs boson of the Standard Model, which was a cornerstone in the physics programme at particle colliders operating at the energy frontier for several decades, is the subject of this review. After reviewing the formulation…

High Energy Physics - Phenomenology · Physics 2015-06-12 S. Dittmaier , M. Schumacher

The Standard Model predicts several rare Higgs boson decay channels, among which are the decays to a Z boson and a photon, to a low-mass lepton pair and a photon, and to a meson and a photon. The observation of some of these decays could…

High Energy Physics - Experiment · Physics 2023-07-18 Pawel Bruckman de Renstrom

We report results of a study of the Standard Model Higgs boson discovery potential through the W-pair leptonic decay modes with the ATLAS detector at LHC at 14 TeV center-of-mass energy. We used MC samples with full detector simulation and…

High Energy Physics - Experiment · Physics 2019-08-13 Hai-Jun Yang

In this paper the results of Higgs searches at the ATLAS experiment, operating at the LHC, are summarised. The results are based on data samples corresponding to an integrated luminosity of up to 20.7 fb-1 at a centre-of-mass energy of 8…

High Energy Physics - Experiment · Physics 2019-08-13 Sofia Maria Consonni

We derive model-independent constraints on Higgs mass and couplings from associated signals for higher masses, accessible at LEP2. This work is motivated by the fact that, in many extensions of the standard model, the Higgs boson can have…

High Energy Physics - Phenomenology · Physics 2009-09-17 A. Lopez-Fernandez , J. C. Romão , F. de Campos , J. W. F. Valle

Current searches for the charged Higgs at the LHC focus only on the $\tau\nu$, $cs$, and $tb$ final states. Instead, we consider the process $pp\to \Phi\to W^\pm H^\mp \to W^+ W^- A$ where $\Phi$ is a heavy neutral Higgs boson, $H^\pm$ is a…

High Energy Physics - Phenomenology · Physics 2015-06-18 Radovan Dermisek , Jonathan P. Hall , Enrico Lunghi , Seodong Shin

A search for the lepton-flavor violating decay of the Higgs boson and potential additional Higgs bosons with a mass in the range 110-160 GeV to an e$^{\pm}\mu^{\mp}$ pair is presented. The search is performed with a proton-proton collision…

High Energy Physics - Experiment · Physics 2023-10-13 CMS Collaboration

In this papar, we study the production and decay of a charged Higgs boson, a pseudoscalar Higgs boson, and a $Z'$ boson at the LHC within the flavor-dependent model (FDM), at the LHC. Considering the constraints from perturbative unitarity…

High Energy Physics - Phenomenology · Physics 2025-10-30 Zhan Cao , Zhong-Jun Yang , Jin-Lei Yang , Tai-Fu Feng

In this report we review the prospects for Higgs physics at LEP2. The theoretical aspects and the phenomenology of Higgs particles are discussed within the Standard Model (SM) and the Minimal Supersymmetric Standard Model (MSSM). The…

The recent observation of a 125 GeV neutral Higgs boson ($H_{\rm obs}$) provides additional input for charged Higgs boson searches in the $H^\pm \to W^\pm H_{\rm obs}$ decay channel at the Large Hadron Collider (LHC). We reassess the…

High Energy Physics - Phenomenology · Physics 2015-02-11 Rikard Enberg , William Klemm , Stefano Moretti , Shoaib Munir , Glenn Wouda

The 3-3-1 model with neutral leptons contains four CP-even Higgs bosons when some constraints are imposed on the Higgs potential. Two Higgs bosons of this type are identified with the corresponding ones in the Two-Higgs-Doublet model…

High Energy Physics - Phenomenology · Physics 2023-07-04 H. T. Hung , A. B. Arbuzov