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WW scattering is an important process to study electroweak symmetry breakingin the Standard Model at the LHC, in which the Higgs mechanism or other newphysics processes must intervene to preserve the unitarity of the process below1 TeV. This channel is expected to be one of the most sensitive to determinewhether the Higgs boson exists. In this paper, the final state with two samesign Ws is studied, with a simulated sample corresponding to the integratedluminosity of 60 fb$^{-1}$ in pp collision at $\sqrt{s}=$10 TeV. Twoobservables, the invariant mass of $\mu\mu$ from W decays and the azimuthalangle difference between the two $\mu$s, are utilized to distinguish the Higgsboson existence scenario from the Higgs boson absence scenario. A good signalsignificance for the two cases can be achieved. If we define the separationpower of the analysis as the distance, in the log-likelihood plane, ofpseudo-experiments outcomes in the two cases, with the total statisticsexpected from the ATLAS and CMS experiments at the nominal centre-of-massenergy of 14 TeV, the separation power will be at the level of 4 $\sigma$.

Same Sign WW Scattering Process as a Probe of Higgs Boson in pp Collision at $\sqrt{s}$ = 10 TeV