scholarly journals Measurement of the Higgs boson coupling properties in the diphoton and $ZZ$ decay channels using the ATLAS detector

2017 ◽  
Author(s):  
Ruchi Gupta ◽  
Keyword(s):  
Higgs Boson ◽  
Atlas Detector ◽  
Decay Channels ◽  
Boson Coupling

scholarly journals Measurement of cross sections and couplings of the Higgs Boson in bosonic decay channels with the ATLAS detector

2018 ◽  
Vol 182 ◽  
pp. 02013
Author(s):  
Nikita Belyaev
Keyword(s):  
Higgs Boson ◽  
Cross Sections ◽  
Hadron Collider ◽  
Atlas Detector ◽  
Atlas Collaboration ◽  
Standard Model Higgs Boson ◽  
Centre Of Mass ◽  
Mass Energy ◽  
Decay Channels ◽  
The Standard Model

After the discovery of the Higgs boson, the measurement of its properties are of particular importance. In this paper, measurement of the cross sections and couplings of the Higgs boson in bosonic decay channels with the ATLAS detector are presented. Previous measurements of the spin and parity of this new particle, as well as the investigation of its couplings to other SM particles, revealed no significant deviations from the corresponding predictions for the Standard Model Higgs boson. In the years 2015-2017, the centre-of-mass energy √s and the integrated luminosity of the Large Hadron Collider was increased up to 13 TeV and 36.1 fb-1, respectively. With this improvements of the LHC, the properties of recently discovered Higgs boson can be studied in more details. In this paper, latest updates on cross sections and couplings analyses of the Higgs Boson are presented. The discussion will focus on the recent results obtained by the ATLAS collaboration in γγ and 4l Higgs boson decay channels as well as their combination.

scholarly journals Measurement of the Higgs Boson Mass in the H → ZZ∗→ 4ℓ and H → γγ Channels with s = 13TeV pp Collisions Using the ATLAS Detector

2018 ◽  
Vol 46 ◽  
pp. 1860052
Author(s):  
N. Bruscino
Keyword(s):  
Higgs Boson ◽  
Hadron Collider ◽  
Center Of Mass ◽  
Atlas Detector ◽  
Boson Mass ◽  
Proton Collision ◽  
Proton Proton ◽  
Decay Channels ◽  
Mass Distributions ◽  
Center Of Mass Energy

The mass of the Higgs boson is measured in the [Formula: see text] and in the [Formula: see text] decay channels with [Formula: see text]fb[Formula: see text] of proton-proton collision data from the Large Hadron Collider at a center-of-mass energy of [Formula: see text] TeV recorded by the ATLAS detector in 2015 and 2016. The measured value in the [Formula: see text] channel is [Formula: see text]GeV, while the measured value in the [Formula: see text] channel is [Formula: see text]GeV. The two results have a compatibility of [Formula: see text]. The combined measurement from a simultaneous fit to the invariant mass distributions in the two channels is [Formula: see text]GeV.

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