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A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the…

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

We searched for the standard model Higgs boson in many different channels using approximately 5 fb-1 of 7 TeV pp collisions data collected with the CMS detector at LHC. Combining the results of the different searches we exclude at 95%…

High Energy Physics - Experiment · Physics 2019-08-13 Marco Pieri

Recent analyses by CMS and ATLAS suggest a deviation in the di-photon channel at approximately 95 GeV, alongside a previously observed excess in $b\bar{b}$ signals at a similar mass by LEP, potentially hinting at a new scalar particle. This…

High Energy Physics - Phenomenology · Physics 2024-12-04 Jingwei Lian

Measuring longitudinally polarized vector boson scattering in, e.g., the ZZ channel is a promising way to investigate the unitarization scheme from the Higgs and possible new physics beyond the Standard Model. However, at the LHC, it…

High Energy Physics - Phenomenology · Physics 2021-11-24 Tianyi Yang , Sitian Qian , Zhe Guan , Congqiao Li , Fanqiang Meng , Jie Xiao , Meng Lu , Qiang Li

Searches for the Standard Model Higgs boson by the four LEP experiments found excess events in two mass ranges: a 2.3 sigma excess around 98 GeV, and an 1.7 sigma excess around 115 GeV. The latter has been discussed widely in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Manuel Drees

Light dark matter with mass smaller than about 10 GeV is difficult to probe from direct detection experiments. In order to have the correct thermal relic abundance, the mediator of the interaction between dark matter and the Standard Model…

High Energy Physics - Phenomenology · Physics 2015-03-20 Haipeng An , Ran Huo , Lian-Tao Wang

In the year 2000 the four LEP experiments collected data at centre-of-mass energies between 200 and 209 GeV, integrating approximately 870 pb-1 of luminosity, with about 510 pb-1 above 206 GeV. The LEP working group for Higgs boson searches…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration , DELPHI Collaboration , L3 Collaboration , OPAL Collaboration , the LEP Higgs Working Group

A search for new high-mass resonances in proton-proton collisions having final states with an electron or muon and missing transverse momentum is presented. The analysis uses proton-proton collision data collected in 2016 with the CMS…

High Energy Physics - Experiment · Physics 2018-07-05 CMS Collaboration

Results from a search for supersymmetry in events with four or more leptons including electrons, muons and taus are presented. The analysis uses a data sample corresponding to 20.3 $fb^{-1}$ of proton--proton collisions delivered by the…

High Energy Physics - Experiment · Physics 2014-12-05 ATLAS Collaboration

Light CP-violating Higgs bosons with mass lower than 70 GeV might have escaped detection in direct searches at the LEP collider. They may remain undetected in conventional search channels at the Tevatron and LHC. In this Letter we show that…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. E. Cox , J. R. Forshaw , J. S. Lee , J. Monk , A. Pilaftsis

Present data do not rule out the light neutral Higgs particle $h$ or $A$ with mass below 40--50 GeV in the framework of the general 2HDM ("Model II"). The recent limits from LEP I on the parameters of the model, based on the Bjorken process…

High Energy Physics - Phenomenology · Physics 2007-05-23 Maria Krawczyk

A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) and for a heavy neutral $Z^{\prime}$ boson is performed using a data sample corresponding to an integrated luminosity of 3.2 fb$^{-1}$ from proton--proton…

High Energy Physics - Experiment · Physics 2016-11-24 ATLAS Collaboration

We investigate the hadron collider phenomenology of the Minimal Supersymmetric Standard Model (MSSM) with explicit CP violation for Higgs bosons that can be observed in Standard Model search channels: W/ZH(->b-bbar) at the Tevatron, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Carena , J. Ellis , S. Mrenna , A. Pilaftsis , C. E. M. Wagner

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 Left-Right model is a popular extension of the Standard Model that features three new neutral gauge bosons, $W^{\pm}_R$ and $Z_R$. Collider searches for a Left-Right symmetry are often concentrated on the charged right-handed current,…

High Energy Physics - Phenomenology · Physics 2026-02-04 Gabriela Lichtenstein , Ricardo C. Silva , Mario J. Neves , Farinaldo Queiroz

We combine searches by the CDF and D0 Collaborations for the standard model Higgs boson with mass in the range 90--200 GeV$/c^2$ produced in the gluon-gluon fusion, $WH$, $ZH$, $t{\bar{t}}H$, and vector boson fusion processes, and decaying…

High Energy Physics - Experiment · Physics 2013-09-25 CDF , D0 Collaborations

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

A search for the standard model Higgs boson is presented using events with two charged leptons and large missing transverse energy selected from 5.4 fb-1 of integrated luminosity in p-pbar collisions at sqrt(s)=1.96 TeV collected with the…

High Energy Physics - Experiment · Physics 2012-08-27 The D0 Collaboration

We combine results from CDF and DO searches for a standard model Higgs boson in ppbar collisions at the Fermilab Tevatron, at sqrt{s}=1.96 TeV. With 3.0 fb-1 of data analyzed at CDF, and at DO, the 95% C.L. upper limits on Higgs boson…

High Energy Physics - Experiment · Physics 2008-08-06 Tevatron New Phenomena , Higgs working group , CDF Collaboration , D0 Collaboration

A search for $W^\prime$ bosons in events with one lepton (electron or muon) and missing transverse momentum is presented. The search uses 3.2 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s} = 13$ TeV by the ATLAS experiment at the…

High Energy Physics - Experiment · Physics 2016-12-01 ATLAS Collaboration