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A prospective analysis for the search of the Standard Model (SM) Higgs boson with the CMS detector is presented in the context of the early LHC data. The aim is to establish an analysis strategy for inclusive production of the Higgs boson…

High Energy Physics - Phenomenology · Physics 2008-10-09 Rebeca Gonzalez Suarez

We present a novel method to discover the Higgs boson in new physics event samples at the LHC. Our technique applies to broad classes of models where the Higgs has a significant branching fraction to b-bbar. We exploit the recently…

High Energy Physics - Phenomenology · Physics 2014-11-20 Graham D. Kribs , Adam Martin , Tuhin S. Roy , Michael Spannowsky

A search for a heavy Higgs boson in the $H\rightarrow ZZ\rightarrow 2\ell2\nu$ decay channel, where $\ell$ = e or $\mu$, in pp collisions at a centre-of-mass energy of 7 and 8 TeV is presented. The search is optimized separately for the…

High Energy Physics - Experiment · Physics 2019-08-14 Arun Kumar

We study the Higgs boson $(h)$ decay to two light jets at the 14 TeV High-Luminosity-LHC (HL-LHC), where a light jet ($j$) represents any non-flavor tagged jet from the observational point of view. The decay mode $h\to gg$ is chosen as the…

High Energy Physics - Phenomenology · Physics 2017-03-15 Linda M. Carpenter , Tao Han , Khalida Hendricks , Zhuoni Qian , Ning Zhou

A search is reported for a neutral Higgs boson in the decay channel H->Z gamma, Z->l+l- (l=e, mu), using 4.5 fb-1 of pp collisions at sqrt(s) = 7 TeV and 20.3 fb-1 of pp collisions at sqrt(s) = 8 TeV, recorded by the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2014-08-21 ATLAS Collaboration

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

A search for a charged Higgs boson (H+) in ttbar decays is presented, where one of the top quarks decays via t->H+b, followed by H+->two jets (csbar). The other top quark decays to Wb, where the W boson then decays into a lepton (e/mu) and…

High Energy Physics - Experiment · Physics 2013-06-28 ATLAS Collaboration

We investigate the expectations for the light Higgs signal in the MSSM in different search channels at the LHC. After taking into account dark matter and flavor constraints in the MSSM with eleven free parameters, we show that the light…

High Energy Physics - Phenomenology · Physics 2015-06-03 D. Albornoz Vasquez , G. Belanger , R. M. Godbole , A. Pukhov

We present a discussion of light charged Higgs boson searches at the Large Hadron Collider (LHC) in CP-conserving 2-Higgs Doublet Models (2HDMs). Taking into account all available experimental and theoretical constraints we review all…

High Energy Physics - Phenomenology · Physics 2015-03-19 Mayumi Aoki , Renato Guedes , Shinya Kanemura , Stefano Moretti , Rui Santos , Kei Yagyu

We present results from a search for an exotic Higgs boson in the channel H$^{++}$ $\rightarrow ~\ell^{+}\ell^{+}$ with the CMS detector using data accumulated in the 2010 & 2011 running of the LHC at $\sqrt{s}$ = 7 TeV. We also present…

High Energy Physics - Experiment · Physics 2019-08-13 Aruna Kumar NAYAK

In this article, we recast and combine the CMS and ATLAS analyses of the Standard Model Higgs boson decaying to a pair of $W$ bosons in order to search for low-mass resonances in this channel. We provide limits on the corresponding cross…

High Energy Physics - Phenomenology · Physics 2023-08-10 Guglielmo Coloretti , Andreas Crivellin , Srimoy Bhattacharya , Bruce Mellado

A search for a heavy neutral Higgs boson, $A$, decaying into a $Z$ boson and another heavy Higgs boson, $H$, is performed using a data sample corresponding to an integrated luminosity of 139 fb$^{-1}$ from proton-proton collisions at…

High Energy Physics - Experiment · Physics 2021-05-19 ATLAS Collaboration

I start with a brief summary of Higgs Mechanism and supersymmetry. Then I discuss the theoretical constraints, current limits and search strategies for Higgs boson(s) at LHC - first in the SM and then in the MSSM. Finally, I discuss the…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. P. Roy

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

The search for the Higgs boson is one of the main physics goals of the Large Hadron Collider (LHC) and its two multi-purpose experiments, ATLAS and CMS. Vector boson fusion is the second largest production process for a standard model Higgs…

High Energy Physics - Phenomenology · Physics 2007-05-23 Iris Rottlaender

A search for the Standard Model Higgs boson in proton-proton collisions at a center-of-mass energy of 7 TeV is presented in the decay channel H-->ZZ-->2l2n. The search is conducted by the CMS experiment with data accumulated during the 2010…

High Energy Physics - Experiment · Physics 2019-08-13 Daniele Trocino

A search for a heavy Standard Model Higgs boson decaying via H->ZZ->llqq, where l=e,mu, is presented. The search is performed using a data set of pp collisions at sqrt(s)=7 TeV, corresponding to an integrated luminosity of 1.04 fb^-1…

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

A search is presented for narrow heavy resonances X decaying into pairs of Higgs bosons (H) in proton-proton collisions collected by the CMS experiment at the LHC at sqrt(s) = 8 TeV. The data correspond to an integrated luminosity of 19.7…

High Energy Physics - Experiment · Physics 2016-08-01 CMS Collaboration

A search for a heavy Standard Model Higgs boson decaying via H->ZZ->llqq, where l=e or mu, is presented. The search uses a data set of pp collisions at sqrt(s) = 7 TeV, corresponding to an integrated luminosity of 4.7 fb^-1 collected in…

High Energy Physics - Experiment · Physics 2013-06-11 ATLAS Collaboration

We evaluate the LHC discovery potential for a light Higgs boson in t tbar H (-> l nu b bbar b bbar jj) production, within the Standard Model and if a new Q=2/3 quark singlet T with a moderate mass exists. In the latter case, T pair…

High Energy Physics - Phenomenology · Physics 2009-11-11 J. A. Aguilar-Saavedra
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