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scaled to the number of $t\bar{t}$ events in the peak, the $t\bar{t}$ |
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BG goes down. |
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|
130 |
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\subsection{Scale factors for the tail-to-peak ratios for lepton + |
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\subsection{Tail-to-peak ratios for lepton + |
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jets top and W events} |
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< |
These tail-to-peak ratios are described in Section~\ref{sec:ttp}. |
133 |
< |
They are studied in CR1 and CR2. The studies are described |
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in Sections~\ref{sec:cr1} and~\ref{sec:cr2}), respectively, where |
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< |
we also give the uncertainty on the scale factors (see |
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Tables~\ref{tab:cr1yields} |
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and~\ref{tab:cr2yields}, scale factors $SFR_{wjet}$ and $SFR_{top}$). |
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> |
The tail-to-peak ratios $R_{top}$ and $R_{wjet}$ are described in Section~\ref{sec:ttp}. |
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> |
The data/MC scale factors are studied in CR1 and CR2 (Sections~\ref{sec:cr1} and~\ref{sec:cr2}). |
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> |
Only the scale factor for \wjets, $SFR_{wjet}$, is used, and its uncertainty is given in Table~\ref{tab:cr1yields}). This uncertainty affects both $R_{wjet}$ and $R_{top}$. |
135 |
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The additional systematic uncertainty on $R_{top}$ from the variation between optimistic and pessimistic scenarios is given in Section~\ref{sec:ttp}. |
136 |
> |
|
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|
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\subsection{Uncertainty on extra jet radiation for dilepton |
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background} |