Abstract
The results on the observation of the Higgs boson in decays to bosons and fermions have been reported from the LHC and Tevatron. A direct evidence of the Higgs-lepton coupling is established at the LHC with the tau pair decay mode and a direct indication of Higgs boson coupling to fermions is observed in decays to bottom quarks at the Tevatron. The measurements of the Higgs boson mass, coupling to vector bosons and fermions, spin and parity, decay width and production cross section have been reported.
Highlights
The ATLAS and CMS collaborations at the LHC in July 2012 came out with the observation of a Higgs boson [1, 2] using proton-proton collision data from the LHC at CERN corresponding to integrated luminosities of around 5 fb−1 at 7 TeV and 5 fb−1 at 8 TeV center-of-mass energies
The measurement of the combination of different Higgs boson decay channels using the full Run-I collision data sample recorded by the ATLAS experiment at the LHC for the channels H→γγ, H→ZZ∗→4, H→ WW∗ → ν ν, H→bband H→ττ have been presented [21]
A broad excess of events is observed at the LHC for the standard model (SM) Higgs boson search in the tau pair decay mode consistent with the 125 GeV Higgs boson signal from high resolution boson decay modes providing the first direct indication of the Higgs boson coupling to leptons
Summary
The ATLAS and CMS collaborations at the LHC in July 2012 came out with the observation of a Higgs boson [1, 2] using proton-proton collision data from the LHC at CERN corresponding to integrated luminosities of around 5 fb−1 at 7 TeV and 5 fb−1 at 8 TeV center-of-mass energies. The DØ and CDF experiments presented a combined result from the Tevatron using around 10 fb−1 of proton-antiproton collision data at 1.96 TeV showing an excess of events in the bottom quark decay mode in association with vector bosons which is compatible with the presence of the 125 GeV Higgs boson observed by ATLAS and CMS experiments at the LHC. The measurement of the properties of the discovered Higgs boson is crucial to understand the nature of the new particle and study its compatibility with the standard model. Direct constraints on the Higgs boson decay width with a high level precision of the order of 20 MeV and measurement of the Higgs boson fiducial and differential production cross sections have been reported from the LHC
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