Fig. 1.

(Top) Distributions of m _ℓℓ in the 0-jet different-flavor category of the WW→ℓνℓν channel for data (points with error bars), for the main backgrounds (stacked histograms), and for a SM Higgs boson signal with m _H=500 GeV. The standard preselection is applied. (Bottom) BDT-classifier distributions for signal and background events for a SM Higgs boson with m _H=500 GeV and for the main backgrounds in the 0-jet different-flavor category after requiring \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$80 < m_{\mathrm{T}} ^{\ell\ell , E_{\mathrm{T}}^{\text{miss}} } < 500~\mbox {GeV}$\end{document} and m _ℓℓ<500 GeV