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Related papers: Invisible Higgs Decay at the LHeC

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We evaluate the discovery potential for the heavy Higgs bosons at the LHC energy upgrade with $\sqrt{s}=27$ TeV. We take degenerate mass spectrum and assume near the alignment limit in the Type-II Two Higgs Doublet Model for illustration.…

High Energy Physics - Phenomenology · Physics 2019-05-27 Tong Li

We study the Large Hadron Collider (LHC) discovery prospects of a light charged Higgs boson decaying into a $W$ boson and a non-Standard Model (SM)-like Higgs within the 2-Higgs Doublet Model type-I. In the analysis, we consider the…

High Energy Physics - Phenomenology · Physics 2024-02-13 A. Arhrib , R. Benbrik , M. Krab , B. Manaut , S. Moretti , Y. Wang , Q. S. Yan

The Higgs sector may play an important role in detecting the mirror particles, which can be the candidates of the dark matter and appear as missing energy in the detectors at the LHC. In this paper we worked out the Higgs boson spectrum and…

High Energy Physics - Phenomenology · Physics 2008-12-18 Wen-sheng Li , Peng-fei Yin , Shou-hua Zhu

Current limits from the Large Hadron Collider exclude a standard model-like Higgs mass above 150 GeV, by placing an upper bound on the Higgs production rate. We emphasize that, alternatively, the limit could be interpreted as a lower bound…

High Energy Physics - Phenomenology · Physics 2012-01-19 Ian Low , Pedro Schwaller , Gabe Shaughnessy , Carlos E. M. Wagner

A search is performed for Higgs bosons decaying into invisible final states, produced in association with a Zo boson in e+e- collisions at energies between 183 and 209 GeV. The search is based on data samples collected by the OPAL detector…

High Energy Physics - Experiment · Physics 2009-12-22 The OPAL collaboration

One of the primary goals of the Large Hadron Collider is to understand the electroweak symmetry breaking mechanism. In the Standard Model, electroweak symmetry breaking is described by the Higgs mechanism which includes a scalar Higgs…

High Energy Physics - Phenomenology · Physics 2010-11-11 D. M. Asner , M. Cunningham , S. Dejong , K. Randrianarivony , C. Santamarina , M. Schram

The Higgs boson may have decay channels that are not predicted by the Standard Model. We discuss the prospects of probing exotic Higgs decays at the LHC using the 4-lepton final state. We study two specific scenarios, with new particles…

High Energy Physics - Phenomenology · Physics 2015-06-19 Adam Falkowski , Roberto Vega-Morales

Given its weak coupling to bottom quarks and tau leptons, the Higgs boson may predominantly decay into invisible particles like gravitinos, neutralinos, or gravitons. We consider the manifestation of such an invisibly decaying Higgs boson…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. J. P. Eboli , D. Zeppenfeld

The LHC discovery of a light Higgs particle $h^0$ (125GeV) opens up new prospect for searching heavier Higgs boson(s) at the LHC Run-2, which will unambiguously point to new physics beyond the standard model (SM). We study the detection of…

High Energy Physics - Phenomenology · Physics 2016-03-23 Lan-Chun Lü , Chun Du , Yaquan Fang , Hong-Jian He , Huijun Zhang

We assess the prospect of observing a neutral Higgs boson at hadron colliders in its decay to two spin-zero states, a, for a Higgs mass of 90-130 GeV, when produced in association with a W or Z boson. Such a decay is allowed in extensions…

High Energy Physics - Phenomenology · Physics 2009-02-18 Marcela Carena , Tao Han , Gui-Yu Huang , Carlos E. M. Wagner

We analyze the prospects of observing the light CP-even neutral Higgs bosons ($h_1$) in their decays into $b \bar b$ quarks, in the neutral and charged current production processes $e h_1 q$ and $\nu h_1 q$ at the upcoming LHeC, with $\sqrt…

High Energy Physics - Phenomenology · Physics 2017-09-20 Siba Prasad Das , Marek Nowakowski

We investigate the LHC discovery prospects for a heavy Higgs boson decaying into the Standard Model Higgs boson and additional weak bosons. We consider a generic model-independent new physics configuration where this decay proceeds via a…

High Energy Physics - Phenomenology · Physics 2018-04-11 Baradhwaj Coleppa , Benjamin Fuks , P. Poulose , Shibananda Sahoo

We show that the recent discovery of a new boson at the LHC, which we assume to be a Higgs boson, and the observed enhancement in its diphoton decays compared to the SM prediction, can be explained by a new doublet of charged vector bosons…

High Energy Physics - Phenomenology · Physics 2015-06-05 Alexandre Alves , A. G. Dias , E. Ramirez Barreto , C. A. de S. Pires , Farinaldo S. Queiroz , P. S. Rodrigues da Silva

We study the production and decay of a light charged Higgs boson at the future Large Hadron electron Collider (LHeC) in the framework of the Two Higgs Doublet Type III, assuming a four-zero texture in the Yukawa matrices and a general Higgs…

High Energy Physics - Phenomenology · Physics 2016-12-20 J. Hernández-Sánchez , O. Flores-Sánchez , C. G. Honorato , S. Moretti , S. Rosado

Results are presented for the search for invisible Higgs boson production using the full LHC dataset corresponding to integrated luminosity of 5.1 fb^-1 and 19.6 fb^-1 of proton-proton collision data at sqrt(s)= 7 TeV and 8 TeV…

High Energy Physics - Experiment · Physics 2019-08-14 Matthew E. Chasco

We analyze some signatures of neutral Higgs bosons, produced in high energy proton (anti)proton collisions, which decay primarily to top quarks. This channel is clouded by a large irreducible $t\bar t$ background. We investigate the $t\bar…

High Energy Physics - Phenomenology · Physics 2009-10-30 W. Bernreuther , M. Flesch , P. Haberl

Searches for invisible decays of the Higgs boson are presented. The data collected with the CMS detector at the LHC correspond to integrated luminosities of 5.1, 19.7, and 2.3 inverse femtobarns at centre-of-mass energies of 7, 8, and 13…

High Energy Physics - Experiment · Physics 2017-03-06 CMS Collaboration

The Higgs particle can decay dominantly into an invisible channel in the Majoron models. We have explored the prospect of detecting such a Higgs particle at LHC via its associated production with a gluon, Z or W boson. While the…

High Energy Physics - Phenomenology · Physics 2009-09-25 Debajyoti Choudhury , D. P. Roy

A search for decays to invisible particles of Higgs bosons produced in association with a top-antitop quark pair or a vector boson, which both decay to a fully hadronic final state, has been performed using proton-proton collision data…

High Energy Physics - Experiment · Physics 2023-10-18 CMS Collaboration

For a Standard Model Higgs boson with mass between 115 GeV and 150 GeV, the two-photon decay mode is important for discovery at the Large Hadron Collider (LHC). We describe the interactions of a light Higgs boson in a more model-independent…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daniel Phalen , Brooks Thomas , James D. Wells