Abstract
Higgs boson production in association with heavy quarks is one of the most important discovery channels for Higgs particles in the Standard Model and its super-symmetric extension at the LHC pp collider. We review the status of the Higgs boson studies, with particular emphasis on the case bbh and tth production. We present results for the total cross section at Large Hadron Collider (LHC) in both single and double parton scattering mechanism.
Highlights
In the simplest version of the Standard Model (SM) of particle physics, the breaking of the electroweak symmetry introduces a single physical scalar particle, the Higgs boson, which couples to both gauge boson and fermions
The Standard Model precision fits are consistent with a light boson. Both the Fermilab and the CERN Large Hadron Collider will focus on the search of light Higgs boson, below the W-pair threshold, a Higgs boson mainly decays hadronically into bb pairs
Double Scattering Mechanism σ rate of production cross section in double parton scattering mechanism is rather very small comparing with the rate of production in single parton scattering, but still in case of any change in the center of mass energy or luminosity of the collider may the effect be more clear in any calculation for the search of Higgs boson
Summary
In the simplest version of the Standard Model (SM) of particle physics, the breaking of the electroweak symmetry introduces a single physical scalar particle, the Higgs boson, which couples to both gauge boson and fermions. ATLAS [9] and CMS [10] collaborations announced about the discovery of a new scalar particle at the Large Hadron Collider (LHC), which is most likely the Standard Model (SM) Higgs boson, with the mass measured mh 125.3 0.4 GeV. At present stage all quantitative prediction for this much more structured interaction process are unavoidably pretty uncertain, the large cross sections foreseen at the LHC is, in our opinion, a strong motivation to make an attempt of giving a few quantitative indications on the production rate of associated Higgs with heavy quark pairs through multiparton interaction at the LHC, comparing with the rate to be expected by the more conventional single parton scattering mechanism
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