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In July 2012, the ATLAS and CMS Collaborations at the CERN Large Hadron Collider announced the observation of a Higgs boson at a mass of around 125 GeV. Ten years later, and with the data corresponding to the production of 30 times larger…

High Energy Physics - Experiment · Physics 2023-03-15 CMS Collaboration

The recent discovery of a new boson of mass roughly 125 GeV has been reported by the ATLAS and CMS collaborations. Although its signals in various decay modes resemble those of the standard model (SM) Higgs boson, observed are the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Sanghyeon Chang , Sin Kyu Kang , Jong-Phil Lee , Kang Young Lee , Seong Chan Park , Jeonghyeon Song

The possibility to observe a Higgs boson having a mass between 300 and 600 GeV and to measure its couplings to vector bosons and top quark with CMS at the LHC is studied. Six different signatures are analyzed. The possibility to separate…

High Energy Physics - Experiment · Physics 2009-09-25 A. -S. Nicollerat

A search for the single production of doubly-charged Higgs bosons H^{\pm \pm} in ep collisions is presented. The signal is searched for via the Higgs decays into a high mass pair of same charge leptons, one of them being an electron. The…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

The excess in $t\to b\overline{b}c$ observed by ATLAS points towards a charged Higgs boson with a mass around 130$\,$GeV, consistent with the expectations from the $B$ anomalies, i.e.$~R_{D^{(*)}}$ and $b\to s\ell^+\ell^-$ data. As a…

High Energy Physics - Phenomenology · Physics 2025-07-02 Guglielmo Coloretti , Andreas Crivellin , Syuhei Iguro

Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the oppositely charged dimuon final state. The new bosons may be produced either promptly or via a decay…

High Energy Physics - Experiment · Physics 2013-11-11 CMS Collaboration

We discuss the prediction of the $W$ boson mass in a simple extension of the Standard Model ($\Sigma {\rm SM}$) with a real scalar triplet. A shift in the $W$ mass as reported by the CDF II collaboration can naturally be accommodated by the…

High Energy Physics - Phenomenology · Physics 2022-08-18 Pavel Fileviez Perez , Hiren H. Patel , Alexis D. Plascencia

The study of the spin-parity and tensor structure of the interactions of the recently discovered Higgs boson is performed using the H to ZZ, Z gamma*, gamma* gamma* to 4 l, H to WW to l nu l nu, and H to gamma gamma decay modes. The full…

High Energy Physics - Experiment · Physics 2015-07-22 CMS Collaboration

A search for an exotic decay of the Higgs boson to a pair of light pseudoscalar bosons is performed for the first time in the final state with two b quarks and two $\tau$ leptons. The search is motivated in the context of models of physics…

High Energy Physics - Experiment · Physics 2018-09-18 CMS Collaboration

A brief overview of Higgs physics and of supersymmetry is given. The central theme of the overview is to explore the implications of the recent discovery of a Higgs like particle regarding the prospects for the discovery of supersymmetry…

High Energy Physics - Phenomenology · Physics 2015-06-11 Pran Nath

Results are presented from searches for the standard model Higgs boson in proton-proton collisions at sqrt(s) = 7 and 8 TeV in the Compact Muon Solenoid experiment at the LHC, using data samples corresponding to integrated luminosities of…

High Energy Physics - Experiment · Physics 2013-01-29 The CMS Collaboration

Recently the ATLAS and CMS collaborations presented preliminary results of Standard Model Higgs searches and reported excesses of events for a Higgs boson at 124-126 GeV. Such a Higgs mass can be naturally realized, simultaneously…

High Energy Physics - Phenomenology · Physics 2013-05-30 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Norimi Yokozaki

Charged Higgs bosons are common predictions in most extensions of the Standard Model (SM) Higgs sector. Therefore, their observation would elucidate the nature of the Higgs sector. Motivated by the ATLAS collaboration's latest analysis…

High Energy Physics - Phenomenology · Physics 2024-09-23 Abdesslam Arhrib , Mohamed Krab , Souad Semlali

Recent results obtained by the CDF and D0 collaborations are presented here. These Tevatron Higgs searches look for a Standard Model (SM) Higgs boson decaying into W-boson pairs, with the W-bosons decaying into electron-neutrino or muon…

High Energy Physics - Experiment · Physics 2019-08-15 D. Benjamin

We investigate the decay of an arbitrary neutral boson into a pair of on-shell W-bosons in a magnetic field. The possible existence of the new neutral bosons with the spins 0, 2, 3 and with the charge conjugation C=+1 in the energy (mass)…

General Physics · Physics 2014-10-09 Vali A. Huseynov

The discovered Higgs boson with a mass of 125 GeV exhibits properties which are all in agreement with Standard Model predictions. However, the corresponding measurements still allow for a considerable non-Standard Model behavior of the…

High Energy Physics - Experiment · Physics 2018-08-29 Teresa Lenz

With the reported observation of the Higgs boson at the LHC, the Standard Model of particle physics seems to be complete now as for its particle content. However, several experimental data at low and intermediate energies indicate that…

High Energy Physics - Phenomenology · Physics 2020-12-04 Eef van Beveren , George Rupp

Theoretical implications of the possible observation of a Higgs boson with a mass of about 115 GeV at LEP are discussed. Within the Standard Model a Higgs boson in this mass range agrees well with the indirect constraints from electroweak…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Weiglein

In the Standard Model (SM), the weak gauge bosons and fermions acquire mass through the Higgs mechanism. A lower limit on the SM Higgs mass of 114.4 GeV was obtained from the direct search at LEP. Although a single Higgs doublet is…

High Energy Physics - Experiment · Physics 2007-05-23 Andre G. Holzner

We exploit the spin and kinematic correlations in the decay of a scalar boson into a pair of real or virtual W-bosons, with both W-bosons decaying leptonically, for Higgs boson discovery at 7 TeV LHC energy with 10 fb-1 luminosity. Without…

High Energy Physics - Phenomenology · Physics 2013-05-29 Vernon Barger , Peisi Huang