Abstract

We present an evaluation of the CMS expected 95% C.L. exclusion limits in early Standard Model (SM) Higgs boson searches. The results are based on a statistical combinations of multiple recent Monte-Carlo analyses: H ! WW � ! 2l2ν and H ! ZZ � ! 4l decay channels, where l stands for e or μ. We show that these two channels alone should allow for excluding the Standard Model Higgs boson in the mass range of 140-230 GeV by the time when CMS collects 1 fb 1 of data at a center-of-mass energy of 14 TeV. We also give an estimate of how the change of the LHC center-of-mass collision energy from 14 to 10 TeV would impact the Higgs boson exclusion limits.

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