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\section{Data \& Simulation}\label{section:Samples}
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We analyze $4.7\rm~fb^{-1}$ of 2011 data in this analysis. We select events from the \verb|DoubleElectron| and \verb|DoubleMuon| datasets that pass the lowest-threshold, unprescaled double-lepton trigger available in a given run. The triggers used and the run ranges we consider are listed in Tables~\ref{tab:dataele} and~\ref{tab:datamu}.
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%-------------------------------------------------
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\begin{table}[htb]
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\begin{center}
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\begin{tabular}{c|c|c}
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{\bf Era } & {\bf Runs } & {\bf Trigger} \\
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\hline
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\tiny{\verb|Run2011A-10May2011-v1|} & $x-x$ & \tiny{\verb|Ele17_CaloIdL_CaloIsoVL_Ele8_CaloIdL_CaloIsoVL|}\\
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\tiny{\verb|Run2011A-PromptReco-v4|} & $x-x$ & \tiny{\verb|Ele17_CaloIdL_CaloIsoVL_Ele8_CaloIdL_CaloIsoVL|}\\
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\tiny{\verb|Run2011A-05Aug2011-v1|} & $x-x$ & \tiny{\verb|Ele17_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL_Ele8_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL|}\\
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\tiny{\verb|Run2011A-03Oct2011-v1|} & $x-x$ & \tiny{\verb|Ele17_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL_Ele8_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL|}\\
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\tiny{\verb|Run2011B-PromptReco-v1|} & $x-x$ & \tiny{\verb|Ele17_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL_Ele8_CaloIdT_TrkIdVL_CaloIsoVL_TrkIsoVL|}\\
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\hline
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\end{tabular}
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\caption{ DoubleElectron Data Samples \& Triggers.}}\label{tab:dataele}
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\end{center}
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\end{table}
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\begin{table}[htb]
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\begin{center}
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\begin{tabular}{c|c|c}
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{\bf Era } & {\bf Runs } & {\bf Trigger} \\
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\hline
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\tiny{\verb|Run2011A-10May2011-v1|} & $x-x$ & \tiny{\verb| trigger |} \\
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\tiny{\verb|Run2011A-PromptReco-v4|} & $x-x$ & \tiny{\verb| trigger |} \\
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\tiny{\verb|Run2011A-05Aug2011-v1|} & $x-x$ & \tiny{\verb| trigger |} \\
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\tiny{\verb|Run2011A-PromptReco-v6|} & $x-x$ & \tiny{\verb| trigger |} \\
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\hline
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\end{tabular}
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\caption{ DoubleMuon Data Samples \& Trigger.}}\label{tab:datamu}
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\end{center}
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\end{table}
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%-------------------------------------------------
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The first and second rows of Table~\ref{tab:MC} list samples of Monte Carlo (MC) events used for signal extraction and background estimation. We employ $17$ sets of simulated Higgs samples corresponding to mass hypotheses between $115\rm~GeV/c^{2}$ and $600\rm~GeV/c^{2}$. Higgs cross sections, branching ratios and their uncertainties are taken from the CERN Yellow Report~\cite{Yello}. The last row of Table~\ref{tab:MC} lists MC samples that we use to cross-check data-driven background estimates and to estaimte shapes when sufficient data is lacking. All samples in Table~\ref{tab:MC} were produced with \verb|S4_START42_V11| conditions as part of the \verb|Summer11| campaign. We reweight events from all samples to the vertex multiplicity distribution measured in data.
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%-------------------------------------------------
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\begin{table}[htb]
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\begin{center}
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\begin{tabular}{c|c|c}
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\hline
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{\bf Process} & {\bf Sample Name} & {\bf $\sigma\rm~(pb)$ } \\
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\hline
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$gg\rightarrow H$ & \verb|GluGluToHToZZTo4L_M-(*)_7TeV-powheg-pythia6| & $X-Y$ \\
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$VV\rightarrow H$ & \verb|VBF_ToHToZZTo4L_M-(*)_7TeV-powheg-pythia6| & $X-Y$ \\
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$WH, ZH, t\bar{t}H$ & \verb|WH_ZH_TTH_HToZZTo4L_M-120_7TeV-pythia6| & $X-Y$ \\
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\hline
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$q\bar{q}\rightarrow ZZ^{*}\rightarrow 2e2\mu$ & \verb|ZZTo2e2mu_7TeV-powheg-pythia6| & $0.02442$ \\
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$q\bar{q}\rightarrow ZZ^{*}\rightarrow 4e$ & \verb|ZZTo4e_7TeV-powheg-pythia6| & $0.01105$ \\
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$q\bar{q}\rightarrow ZZ^{*}\rightarrow 4\mu$ & \verb|ZZTo4mu_7TeV-powheg-pythia6| & $0.01105$ \\
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$gg\rightarrow ZZ \rightarrow 4e(4\mu)$ & \verb|GluGluToZZTo4L_7TeV-gg2zz-pythia6| & $0.00465$ \\
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$gg\rightarrow ZZ \rightarrow 2e2\mu$ & \verb|GluGluToZZTo2L2L_7TeV-gg2zz-pythia6| & $0.00929$ \\
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$WZ\rightarrow 3\ell$ & \verb|WZJetsTo3LNu_TuneZ2_7TeV-madgraph-tauola| & $0.59558$ \\
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$Z\gamma\rightarrow ee\gamma$ & \verb|ZGToEEG_TuneZ2_7TeV-madgraph| & $42.7$ \\
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$Z\gamma\rightarrow \mu\mu\gamma$ & \verb|ZGToMuMuG_TuneZ2_7TeV-madgraph| & $42.0$ \\
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$Z\gamma\rightarrow \tau\tau\gamma$ & \verb|ZGToTauTauG_TuneZ2_7TeV-madgraph-tauola| & $42.7$ \\
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\hline
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$t\bar{t}\rightarrow 2\ell 2\nu 2b$ & \verb|TTTo2L2Nu2B_7TeV-powheg-pythia6| & $16.5$ \\
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$Zb\bar{b}\rightarrow 2\ell 2b$ & \verb|ZbbToLL_M-50_TuneZ2_7TeV-madgraph-pythia6_tauola| & $23.5$ \\
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$Z + jets$ & \verb|DYJetsToLL_TuneZ2_M-50_7TeV-madgraph-tauola| & $3048$ \\
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$W + jets$ & \verb|WJetsToLNu_TuneZ2_7TeV-madgraph-tauola| & $31314$ \\
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\hline
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\end{tabular}
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\caption{{\bf MC Samples \& Cross Sections.}\label{tab:MC}}
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\end{center}
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\end{table}
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