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Related papers: Maximum Entropy Principle and the Higgs Boson Mass

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Results are presented from a search for the Higgs boson decay H $\to$ Z$\gamma$, where Z $\to$ $\ell^+\ell^-$ with $\ell$ = e or $\mu$. The search is performed using a sample of proton-proton (pp) collision data at a center-of-mass energy…

High Energy Physics - Experiment · Physics 2023-06-05 CMS Collaboration

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

Recent LHC searches have not found a clear signal of the Higgs boson h of the standard model (SM) with three or four families in the mass range m_h = 120-600 GeV. If the Higgs had an unexpectedly large invisible branching ratio, the…

High Energy Physics - Phenomenology · Physics 2011-10-28 Xiao-Gang He , Jusak Tandean

We present a complete set of decay rates of the Higgs boson with the mass of 125 GeV at the full next-to-leading order in a variety of extended Higgs models; i.e., a model with an additional real singlet scalar field, four types of two…

High Energy Physics - Phenomenology · Physics 2020-01-08 Shinya Kanemura , Mariko Kikuchi , Kentarou Mawatari , Kodai Sakurai , Kei Yagyu

An updated fit to the precision electroweak data and to the direct measurement of the top quark mass $m_t$ provides significant constraints on $m_t$ and on the Higgs boson mass $M_H$: $m_t/\text{GeV}=172\pm 6$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , G. L. Fogli , E. Lisi

A search for invisible decays of a Higgs boson is performed using proton-proton collision data collected with the CMS detector at the LHC in 2016 at a center-of-mass energy $\sqrt{s} =$ 13 TeV, corresponding to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2019-06-25 CMS Collaboration

A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 and 19.4 inverse femtobarns collected with the CMS detector in pp collisions at…

High Energy Physics - Experiment · Physics 2014-03-11 CMS Collaboration

The CMS and ATLAS experiments at the LHC have announced the discovery of a Higgs boson with mass at approximately 125 $GeV/c^{2}$ in the search for the Standard Model Higgs boson via notably the $\gamma\gamma$ and $ZZ$ to four leptons final…

High Energy Physics - Phenomenology · Physics 2015-06-17 Fan Jia-Wei , Tao Jun-Quan , Shen Yu-Qiao , Chen Guo-Ming , Chen He-Sheng , S. Gascon-Shotkin , M. Lethuillier , L. Sgandurra , P. Soulet

The mass of the Higgs boson is measured in the $H\to\gamma\gamma$ decay channel, exploiting the high resolution of the invariant mass of photon pairs reconstructed from the decays of Higgs bosons produced in proton-proton collisions at a…

High Energy Physics - Experiment · Physics 2023-12-18 ATLAS Collaboration

A detailed description is reported of the analysis used by the CMS Collaboration in the search for the standard model Higgs boson in pp collisions at the LHC, which led to the observation of a new boson. The data sample corresponds to…

High Energy Physics - Experiment · Physics 2013-07-05 CMS Collaboration

We reconsider Higgs boson invisible decays into Dark Matter in the light of recent Higgs searches at the LHC. Present hints in the CMS and ATLAS data favor a non-standard Higgs boson with approximately 50% invisible branching ratio, and…

High Energy Physics - Phenomenology · Physics 2015-05-30 Martti Raidal , Alessandro Strumia

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

The potential to discover a Standard-Model-like Higgs boson at the LHC in the mass range from 150-180 GeV, decaying into a pair of W bosons with subsequent leptonic decays, has been established during the last 10 years. Assuming that such a…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Davatz , M. Dittmar , F. Pauss

We combine, within the framework of the Standard Model, the results of Higgs search experiments with the information coming from accurate theoretical calculation and precision measurements to provide a probability density function for the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. D'Agostini , G. Degrassi

Searches for HZ production with the Higgs boson decaying into an invisible final state were performed using the data collected by the DELPHI experiment at centre-of-mass energies between 188 GeV and 209 GeV. Both hadronic and leptonic final…

High Energy Physics - Experiment · Physics 2008-11-26 The DELPHI Collaboration , J. Abdallah

The final state obtained when a Higgs boson decays to a photon and a Z boson has been mostly overlooked in current searches for a light Higgs boson. However, when the Z boson decays leptonically, all final state particles in this channel…

High Energy Physics - Phenomenology · Physics 2015-03-19 James S. Gainer , Wai-Yee Keung , Ian Low , Pedro Schwaller

A search for a Higgs boson decay $H\to\gamma^*\gamma\to\ell\ell\gamma$ is presented. The analysis is performed using proton-proton collision data recorded by the CMS detector at the CERN LHC at a centre-of-mass energy of 8 TeV,…

High Energy Physics - Experiment · Physics 2016-01-06 Andrey Pozdnyakov

After reviewing briefly the upper bounds on the mass of the lightest Higgs boson in the most general unconstrained minimal supersymmetric extension of the Standard Model, we discuss various arguments which reduce the parameter space of the…

High Energy Physics - Phenomenology · Physics 2016-11-03 P. H. Chankowski , Pokorski

Within the four generation Standard Model, the Higgs couplings to gluons and to photons deviate in a significant way from the predictions of the three generation Standard Model. As a consequence, large departures in several Higgs production…

High Energy Physics - Phenomenology · Physics 2016-11-26 Eric Kuflik , Yosef Nir , Tomer Volansky

The most reliable prediction for the Higgs-boson mass, M_H, is obtained in a fit to the leptonic Z-resonance observables Gamma_l and swbar^2 combined with the W-boson mass, M_W, and top-quark mass, m_t, measurements. The corresponding…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dittmaier , D. Schildknecht