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A simulation of the search for the Standard Model Higgs boson at the LHC, in the channel gg -> H -> WW -> lnu lnu, is described. Higher-order QCD corrections are taken into account by using a reweighting procedure, which allows us to…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. Davatz , G. Dissertori , M. Dittmar , M. Grazzini , F. Pauss

After the discovery of the Higgs boson with mass at approximately 125 $GeV$ at the LHC, many studies both from the theoretical and experimental sides have been performed to search for a new Higgs Boson lighter than the 125 $GeV$ Higgs…

High Energy Physics - Phenomenology · Physics 2018-10-02 Junquan Tao , M. Aamir Shahzad , Sijing Zhang , Chu Wang , Yuqiao Shen , Guoming Chen , Hesheng Chen , S. Gascon-Shotkin , M. Lethuillier , L. Finco , C. Camen

Properties of the Higgs boson with mass near 125 GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels include gamma gamma,…

High Energy Physics - Experiment · Physics 2015-06-16 CMS Collaboration

We present CDF and D0 searches for a Standard Model Higgs boson produced associatively with a W or Z boson at sqrt{s}=1.96 TeV using up to 1 fb^-1 of analyzed Tevatron data collected from February 2002 to February 2006. For Higgs masses…

High Energy Physics - Experiment · Physics 2019-08-14 Ben Kilminster

The feasibility of detecting a heavy charged Higgs boson, m(H^{+-})>m(t)+m(b), decaying in the H^{+-}->tb channel is studied with the fast simulation of the ATLAS detector. We study the gg->H^{+-}tb production process at the LHC which…

High Energy Physics - Phenomenology · Physics 2011-03-23 K. A. Assamagan , N. Gollub

A search for a heavy Higgs boson in the H to WW and H to ZZ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 inverse femtobarns at sqrt(s) = 7…

High Energy Physics - Experiment · Physics 2016-11-11 CMS Collaboration

A summary of the sensitivity of the ATLAS and CMS experiments at the LHC to discover a Standard Model Higgs boson is presented. Some prospects for Minimal Supersymmetric Standard Model Higgs searches at LHC are also included.

High Energy Physics - Experiment · Physics 2019-08-15 J. Fernandez

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

Light Higgs bosons (h^0) with a mass below 60 GeV may have escaped detection at LEP due to a suppressed cross-section for e^+e^-\to Zh^0. Their discovery is also problematic in standard search channels at the Tevatron Run II and LHC. Such a…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. G. Akeroyd

In the Next-to-Minimal SuperSymmetric Model (NMSSM) the lightest CP-odd Higgs bosons (a1) can be very light. As a consequence, in addition to the standard charged Higgs boson (h+) decays considered in the MSSM for a light charged Higgs…

High Energy Physics - Phenomenology · Physics 2012-08-20 Johan Rathsman , Thomas Rössler

We identify scenarios not ruled out by LEP data in which NMSSM Higgs detection at the LHC will be particularly challenging. We first review the `no-lose' theorem for Higgs discovery at the LHC that applies if Higgs bosons do not decay to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Ulrich Ellwanger , John F. Gunion , Cyril Hugonie

Both Atlas and CMS have reported a discovery of a Standard Model-like Higgs boson $H$ of mass around 125 GeV. Consistency with the Standard Model implies the non-observation of non-SM like decay modes of the newly discovered particle.…

High Energy Physics - Phenomenology · Physics 2012-12-03 Christoph Englert , Michael Spannowsky , Chris Wymant

Searches for Higgs bosons in different extensions of the Standard Model (SM) are presented. These include the Minimal Supersymmetric extension of the SM (MSSM), the next-to-MSSM (NMSSM), models with additional scalar singlets, doublets, or…

High Energy Physics - Experiment · Physics 2019-08-14 Martin Flechl

A search for a Higgs boson has been performed in the H->WW->lvjj channel in 1.04/fb of pp collision data sqrt{s} = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No significant excess of events is observed over the…

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

In this study, we explore the detectability of heavy Higgs bosons in the $pp \to b\bar{b}H/A \to b\bar{b}t\bar{t}$ channel at a 100 TeV hadron collider within the semi-constrained Next-to-Minimal Supersymmetric Standard Model (NMSSM). We…

High Energy Physics - Phenomenology · Physics 2024-07-26 Kun Wang , Pengfu Tian , Jingya Zhu

We examine the prospects of detecting the light Higgs h^0 of the Constrained MSSM at the Tevatron. To this end we explore the CMSSM parameter space with \mu>0, using a Markov Chain Monte Carlo technique, and apply all relevant collider and…

High Energy Physics - Phenomenology · Physics 2010-10-27 Leszek Roszkowski , Roberto Ruiz de Austri , Roberto Trotta

The Higgs boson with a mass $M_H \approx 126$ GeV has been observed by the ATLAS and CMS experiments at the LHC and a total significance of about five standard deviations has been reported by both collaborations when the channels $H\to…

High Energy Physics - Phenomenology · Physics 2012-09-04 J. Baglio , A. Djouadi , R. M. Godbole

We analyse the prospects to detect at the LHC the neutral Higgs particles of the Minimal Supersymmetric Standard Model, when the masses of the two CP-even $h,H$ and of the CP-odd $A$ boson are close to one another, and the value of $\tb$ is…

High Energy Physics - Phenomenology · Physics 2015-06-25 Edward Boos , Abdelhak Djouadi , Alexander Nikitenko

Results for the Standard Model Higgs boson search by the ATLAS experiment in the WH -> lnubb and H -> WW(*) -> lnulnu channels are presented. The results are based on 1.04 fb^-1 of data from pp collisions at sqrt(s) = 7 TeV produced by the…

High Energy Physics - Experiment · Physics 2019-08-13 Lashkar Kashif

The latest results on the measurement of the properties of the new boson with mass around 125 GeV are reported. The analysis uses pp collision data recorded by the CMS detector at the LHC, corresponding to integrated luminosities of 5.1…

High Energy Physics - Experiment · Physics 2016-04-20 Linda Finco
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