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Observed (solid line) and expected (dashed line) 95 % CL upper limit on the ratio of the product of production cross section and branching ratio to the SM expectation for the Higgs boson obtained using the asymptotic CLS technique [91, 92] in the WW→ℓνℓν channel. The 68 % (1σ) and 95 % (2σ) CL ranges of expectation for the background-only model are also shown with green and yellow bands, respectively. The horizontal solid line at unity indicates the SM expectation (Color figure online)
