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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

A search for the standard model Higgs boson in the H to ZZ to 2l 2nu decay channel, where l = e or mu, in pp collisions at a center-of-mass energy of 7 TeV is presented. The data were collected at the LHC, with the CMS detector, and…

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

Measurements of the total and differential cross sections of Higgs boson production are performed using 20.3 fb$^{-1}$ of $pp$ collisions produced by the Large Hadron Collider at a center-of-mass energy of $\sqrt{s} = 8$ TeV and recorded by…

High Energy Physics - Experiment · Physics 2015-12-22 ATLAS Collaboration

We propose a new method to measure various physical parameters, using characteristic weight functions. This method requires only lepton energy distribution and ideally it does not depend on the velocity of the parent particle. We…

High Energy Physics - Phenomenology · Physics 2013-09-11 S. Kawabata , Y. Shimizu , Y. Sumino , H. Yokoya

The potential of a linear e+e- collider operated at a centre-of-mass energy of 350 GeV is studied for the measurement of the Higgs boson mass. An integrated luminosity of 500 fb-1 is assumed. For Higgs boson masses of 120, 150 and 180 GeV…

High Energy Physics - Experiment · Physics 2015-06-25 P. Garcia-Abia , W. Lohmann , A. Raspereza

Production of the Standard Model Higgs-boson at the Photon Collider at TESLA is studied for the Higgs-boson masses above 150 GeV. Simulation of signal and background processes takes into account realistic luminosity spectra and detector…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. Niezurawski , A. F. Zarnecki , M. Krawczyk

This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110 < m(H) < 130 GeV produced in association with a W or Z boson and decaying to bb. Three decay channels are…

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

Constraints are presented on the total width of the recently discovered Higgs boson, Gamma[H], using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an electron or muon pair,…

High Energy Physics - Experiment · Physics 2014-07-29 CMS Collaboration

It is expected that hadron collider measurements of the Higgs boson mass using the decay h -> W^+W^-, followed by the leptonic decay of each W-boson, will be performed by fitting the shape of a distribution which is sensitive to the Higgs…

High Energy Physics - Phenomenology · Physics 2010-04-15 Alan J. Barr , Ben Gripaios , Christopher Gorham Lester

A comprehensive set of studies has been conducted to measure the fiducial differential cross sections of Higgs boson production by the ATLAS and CMS experiments. These analyses are based on proton-proton collision data collected by both…

High Energy Physics - Experiment · Physics 2024-07-08 Abdollah Mohammadi

The high-precision measurement of Higgs boson properties is one of the primary goals of the Circular Electron Positron Collider (CEPC). The measurements of $H\to b\bar{b}/c\bar{c}/gg$ decay branching fraction in the CEPC experiment is…

High Energy Physics - Experiment · Physics 2019-12-02 Yu Bai , Chunhui Chen , Yuquan Fang , Gang Li , Manqi Ruan , Jingyuan Shi , Bo Wang , Panyu Kong , Boyang Lan , Zhanfeng Liu

Techniques and strategies for discovering and measuring the properties of Higgs bosons via $s$-channel production at a $\mu^+\mu^-$ collider, and the associated requirements for the machine and detector, are discussed in detail. The unique…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , M. S. Berger , J. F. Gunion , T. Han

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

A search for the Standard Model Higgs boson in the H -> WW(*) -> l nu l nu (l = e, mu) decay mode is presented. The search is performed using proton-proton collision data corresponding to an integrated luminosity of 4.7 /fb at a…

High Energy Physics - Experiment · Physics 2012-09-04 ATLAS Collaboration

A search for the Higgs boson decaying to two oppositely charged muons is presented using data recorded by the CMS experiment at the CERN LHC in 2016 at a center-of-mass energy $\sqrt{s} =$ 13 TeV, corresponding to an integrated luminosity…

High Energy Physics - Experiment · Physics 2019-01-23 CMS Collaboration

After many years of searches, the Higgs boson was observed by the ATLAS and CMS collaborations in July 2012. Since then, its properties have been measured using primarily the bosonic decay channels: $H \to \gamma\gamma $, $H \to Z Z$, $H…

High Energy Physics - Experiment · Physics 2018-10-02 Zhijun Liang

The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=7$ TeV…

High Energy Physics - Experiment · Physics 2015-12-22 ATLAS Collaboration

Differential measurements of Higgs boson production in the $\tau$-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), $VH$ and $t\bar{t}H$ associated production modes, with particular focus on the VBF…

High Energy Physics - Experiment · Physics 2025-03-10 ATLAS Collaboration

This paper describes a measurement of fiducial and differential cross sections of gluon-fusion Higgs boson production in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ channel, using 20.3 fb$^{-1}$ of proton-proton collision data.…

High Energy Physics - Experiment · Physics 2016-09-12 ATLAS Collaboration

Since the discovery of the Higgs boson in 2012, detailed studies of its properties have been ongoing. Besides its mass, its width - related to its lifetime - is an important parameter. One way to determine this quantity is by measuring its…

High Energy Physics - Experiment · Physics 2022-11-09 CMS Collaboration