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Results are reported from a search for new physics in 13 TeV proton-proton collisions in the final state with large missing transverse momentum and two Higgs bosons decaying via H to bb-bar. The search uses a data sample accumulated by the…

High Energy Physics - Experiment · Physics 2018-02-14 CMS Collaboration

I briefly review the Higgs sector in the Standard Model and in its minimal supersymmetric extension. After summarizing the properties of the Higgs bosons, I will discuss the prospects for discovering these particles at the present colliders…

High Energy Physics - Phenomenology · Physics 2011-04-15 Abdelhak Djouadi

The search for the Standard Model Higgs boson in proton-antiproton collisions at 1.96 TeV performed by CDF and D0 collaborations at the Tevatron collider is reported in this paper. The Higgs candidate events are reconstructed using…

High Energy Physics - Experiment · Physics 2011-02-15 Paolo Mastrandrea

The search for heavy Higgs bosons at the LHC represents an intense experimental program, carried out by the ATLAS and CMS collaborations, which includes the hunt for invisible Higgs decays and dark matter candidates. No significant…

High Energy Physics - Phenomenology · Physics 2018-03-08 Ernesto Arganda , J. Lorenzo Díaz-Cruz , Nicolás Mileo , Roberto A. Morales , Alejandro Szynkman

A new era in particle physics is being spurred on by new data from the Large Hadron Collider. Non-vanishing neutrino masses represent firm observational evidence of new physics beyond the Standard Model. An extension of the latter, based on…

High Energy Physics - Phenomenology · Physics 2015-06-05 S. Khalil , S. Moretti

One of the missions of the LEP program was the search for the Standard Model Higgs Boson. The skillful operation of the machine in the year 2000, the final year of operation, has allowed the four collaborations ALEPH, DELPHI, L3 and OPAL to…

High Energy Physics - Experiment · Physics 2009-11-07 Andre G. Holzner

This contribution discusses the physics potential of a future muon collider operating at a center-of-mass energy of $\sqrt{s} = 10$ TeV for precision studies in the Higgs sector. Using a detailed detector simulation that incorporates the…

Despite intensive searches at the LHC, no new fundamental particle has been discovered since the discovery of the 125 GeV Higgs boson. In general, a new physics discovery is challenging without a UV-complete model because different channels…

High Energy Physics - Phenomenology · Physics 2024-04-24 Andreas Crivellin , Saiyad Ashanujjaman , Sumit Banik , Guglielmo Coloretti , Siddharth P. Maharathy , Bruce Mellado

We have systematically investigated the production of a Higgs boson with a mass of about $125$ GeV in the decays of supersymmetric particles within the phenomenological MSSM (pMSSM). We find regions of parameter space that are consistent…

High Energy Physics - Phenomenology · Physics 2015-02-10 Melissa van Beekveld , Wim Beenakker , Sascha Caron , Remco Castelijn , Marie Lanfermann , Antonia Struebig

In this study, assuming the Type-Y (flipped) 2HDM at the SM-like scenario as the theoretical framework, observability of the additional heavy neutral Higgs bosons $H$ and $A$ is investigated through the signal process chain $e^- e^+…

High Energy Physics - Phenomenology · Physics 2019-08-07 Majid Hashemi , Gholamhossein Haghighat

CMS results on the measurement of properties of the Higgs-like particle discovered last summer with a mass near 126 GeV are presented. The results are based on a data samples corresponding to an integrated luminosity of up to 5.1 fb-1 at 7…

High Energy Physics - Experiment · Physics 2013-10-16 Sabino Meola

Searching for and potential discovery of Higgs boson(s) both within and beyond the standard model is perhaps the most visible physics goal of the current Fermilab Tevatron program. In this proceeding, recent results from both the CDF and…

High Energy Physics - Experiment · Physics 2019-08-14 Jianming Qian

The precise determination of the masses of the neutral and charged heavy Higgs bosons is a crucial input for the study of Supersymmetry and its relation with cosmology through dark matter. This paper presents a study of e+e- -> HA and H+H-…

High Energy Physics - Experiment · Physics 2012-03-06 Marco Battaglia , Frederik Bogert , Arnaud Ferrari , Johan Relefors , Sarah Zalusky

The problems of the origin of mass and of electro-weak symmetry breaking are central to the programme of research in particle physics, at present and in the coming decades. This paper reviews the potential of high energy, high luminosity…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marco Battaglia

We consider the search for the Higgs boson at a high-luminosity Fermilab Tevatron, an upgraded Tevatron of energy 3.5 TeV, and the CERN Large Hadron Collider, via $WH/ZH$ production followed by H -> bb~ and leptonic decay of the weak vector…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Stange , W. Marciano , S. Willenbrock

A search for the Higgs boson decaying to $W^+W^-$ has been performed on $1.1\:$fb$^{-1}$ of pp collision data at $\sqrt{s}=7\:$TeV collected with the Compact Muon Solenoid (CMS) detector in 2011. No significant excess above Standard Model…

High Energy Physics - Experiment · Physics 2019-08-13 Kevin Sung

The Higgs boson, discovered back in 2012 through collision data at the Large Hadron Collider (LHC) by ATLAS and CMS experiments, marked a significant inflection point in High Energy Physics (HEP). Today, it's crucial to precisely measure…

High Energy Physics - Experiment · Physics 2024-09-18 Rishivarshil Nelakurti , Christopher Hill

The prediction of additional Higgs bosons is one of the key features of physics beyond the Standard Model (SM) that gives rise to an extended Higgs sector. We assess the sensitivity of the Large Hadron Collider (LHC) in the high luminosity…

High Energy Physics - Phenomenology · Physics 2020-10-28 H. Bahl , P. Bechtle , S. Heinemeyer , S. Liebler , T. Stefaniak , G. Weiglein

The charged Higgs boson ($H^\pm$) with a mass below the top quark mass remains a viable possibility within the Type-I two-Higgs-doublet model under current constraints. While previous LHC searches have primarily focused on the…

High Energy Physics - Phenomenology · Physics 2025-05-08 Jinheung Kim , Soojin Lee , Prasenjit Sanyal , Jeonghyeon Song , Daohan Wang

New analysis of the heavy, neutral MSSM Higgs bosons H and A production at the Photon Collider is presented for M_A = 200, 250, 300 and 350 GeV in the parameter range corresponding to the so called "LHC wedge" and beyond. The expected…

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