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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

The discovery of the Higgs boson is both a milestone achievement for the Standard Model and an exciting probe of new physics beyond the SM. One of the most important properties of the Higgs is its mass, a number that has proven to be highly…

High Energy Physics - Phenomenology · Physics 2017-02-23 Patrick Draper , Heidi Rzehak

Combining measurements of many production and decay channels of the observed Higgs boson allows for the highest possible measurement precision for the properties of the Higgs boson and its interactions. These combined measurements are…

High Energy Physics - Experiment · Physics 2023-06-06 Marc Escalier

Inclusive Standard Model Higgs boson pair production and subsequent decay to same-sign dileptons via weak gauge W bosons at the CERN Large Hadron Collider has the capability to determine the Higgs boson self-coupling, lambda. The large top…

High Energy Physics - Phenomenology · Physics 2014-11-17 Uli Baur , Tilman Plehn , David Rainwater

Future precision measurements of the Standard Model (SM) parameters at the proposed $Z$-factories and Higgs factories may have significant impacts on new physics beyond the Standard Model in the electroweak sector. We illustrate this by…

High Energy Physics - Phenomenology · Physics 2019-03-27 Ning Chen , Tao Han , Shufang Su , Wei Su , Yongcheng Wu

The Higgs boson production cross-sections and decay rates depend, within the Standard Model (SM), on a single unknown parameter, the Higgs mass. In composite Higgs models where the Higgs boson emerges as a pseudo-Goldstone boson from a…

High Energy Physics - Phenomenology · Physics 2015-03-13 Jose Ramon Espinosa , Christophe Grojean , Margarete Mühlleitner

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

An overview of hints for new physics outside the Standard Model and the status of sparticle and Higgs searches is given. The present limits on Higgs bosons of about 90 GeV as well as the $\bsg$ rate and cosmological constraints severely…

High Energy Physics - Phenomenology · Physics 2009-09-25 W. de Boer

This Letter presents a constraint on the total width of the Higgs boson ($\Gamma_H$) using a combined measurement of on-shell Higgs boson production and the production of four top quarks, which involves contributions from off-shell Higgs…

High Energy Physics - Experiment · Physics 2025-02-04 ATLAS Collaboration

The recent results from the ATLAS and CMS collaborations show that the allowed range for a Standard Model Higgs boson is now restricted to a very thin region. Although those limits are presented exclusively in the framework of the SM, the…

High Energy Physics - Phenomenology · Physics 2015-03-19 F. Boudjema , G. Drieu La Rochelle

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

We update the indirect constraints on the Georgi-Machacek model from $B$-physics and electroweak precision observables, including new constraints from $b \to s \gamma$ and $B^0_s \to \mu^+ \mu^-$. We illustrate the effect of these…

High Energy Physics - Phenomenology · Physics 2015-06-23 Katy Hartling , Kunal Kumar , Heather E. Logan

We compute the Higgs mass in a model for the electroweak interactions based on a confining theory. This model is related to the standard model by the complementarity principle. A dynamical effect due to the large typical scale of the Higgs…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xavier Calmet , Harald Fritzsch

The signal strength of the recently discovered Higgs boson-like particle in the diphoton channel seemingly constrains physics beyond the standard model to a severe degree. However, the reported signal strength is prone to possible…

High Energy Physics - Phenomenology · Physics 2014-02-06 Shehu S. AbdusSalam , Debajyoti Choudhury

We present a search for a standard model Higgs boson produced in association with a W boson using 2.7 1/fb of integrated luminosity of pbar-p collision data taken at sqrt{s} = 1.96 TeV. Limits on the Higgs boson production rate are obtained…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

As one of the key properties of the Higgs boson, the Higgs total width is sensitive to global profile of the Higgs boson couplings, and thus new physics would modify the Higgs width. We investigate the total width in various new physics…

High Energy Physics - Phenomenology · Physics 2023-01-25 Qing-Hong Cao , Hao-Lin Li , Ling-Xiao Xu , Jiang-Hao Yu

Higgs boson production at the LHC within the Standard Model and its minimal supersymmetric extension is reviewed. The predictions for decay rates and production cross sections are updated by choosing the present value of the top quark mass…

High Energy Physics - Phenomenology · Physics 2016-10-26 Michael Spira

Searches for invisible Higgs decays at the Large Hadron Collider constrain dark matter Higgs-portal models, where dark matter interacts with the Standard Model fields via the Higgs boson. While these searches complement dark matter…

High Energy Physics - Phenomenology · Physics 2017-11-08 Martin Hoferichter , Philipp Klos , Javier Menéndez , Achim Schwenk

The data collected by the OPAL experiment at sqrts=183 GeV were used to search for Higgs bosons which are predicted by the Standard Model and various extensions, such as general models with two Higgs field doublets and the Minimal…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , G. Abbiendi et al

A summary of the Higgs boson searches by the ATLAS and CMS collabrations using 1 f b-1 of LHC data is presented, concentrating on the Standard Model Higgs boson. Both experiments have the sensitivity to exclude at 95% CL a Standard Model…

High Energy Physics - Experiment · Physics 2012-01-24 William Murray