Abstract
The results on the standard model Higgs boson in tau pair decay using 25 fb–1 of pp collision data at 7 and 8 TeV center-of-mass energies collected by the CMS detector at the LHC has been presented. A direct evidence of the Higgs-lepton coupling is established with the tau pair decay mode. Searches for Higgs bosons decaying to tau leptons in scenarios beyond the standard model such as supersymmetry within the minimal extension of the model has also been reported.
Highlights
The ATLAS and CMS collaborations 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 minimal supersymmetric extension of the standard model (MSSM), outlays the introduction of 2 Higgs doublets leading to 5 physical Higgs bosons after electroweak symmetry breaking, where, h and H are the CP-even scalar bosons, A is the CP-odd pseudoscalar boson collectively denoted as Φ and H+ and H− are the charged Higgs bosons
If the discovered Higgs boson is the low mass Higgs within MSSM, the search for its heavy partners gains a lot of interest in the tau pair decay mode which has a branching fraction around 10% enhanced at all masses
Summary
The ATLAS and CMS collaborations 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 observation of a Higgs boson around mass of 125 GeV in the high resolution boson decay channels motivates the search in major fermion decay modes as decays of the Higgs boson to tau pairs and bottom quark pairs have significantly large branching fraction in this mass regime. If the discovered Higgs boson is the low mass Higgs within MSSM, the search for its heavy partners gains a lot of interest in the tau pair decay mode which has a branching fraction around 10% enhanced at all masses.
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