| 1 |
claudioc |
1.1 |
\subsection{W+Jets MC Modelling Validation from CR1}
|
| 2 |
|
|
\label{sec:cr1}
|
| 3 |
|
|
|
| 4 |
|
|
|
| 5 |
|
|
The estimate of the uncertainty on this background is based on CR1,
|
| 6 |
burkett |
1.2 |
defined by applying the full signal selection, including the isolated track veto, but requiring 0 b-tags
|
| 7 |
|
|
(CSV medium working point as described in Sec.~\ref{sec:selection}).
|
| 8 |
claudioc |
1.1 |
The sample is dominanted by \wjets\ and is thus used to validate the MC modelling of this background.
|
| 9 |
|
|
|
| 10 |
|
|
In Table~\ref{tab:cr1mtsf} we show the amount that we need to scale the Wjets MC
|
| 11 |
|
|
by in order to have agreement between data and Monte Carlo in the $M_T$ peak
|
| 12 |
burkett |
1.2 |
region, defined as $60 < M_T < 100$ GeV. These scale factors are not terribly
|
| 13 |
vimartin |
1.4 |
important, but it is reassuring that they are not too different from
|
| 14 |
|
|
1. [UPDATE WITH TRIGGER EFFICIENCIES]
|
| 15 |
claudioc |
1.1 |
|
| 16 |
|
|
|
| 17 |
|
|
\begin{table}[!h]
|
| 18 |
|
|
\begin{center}
|
| 19 |
vimartin |
1.3 |
\begin{tabular}{l||c||c|c|c|c|c}
|
| 20 |
claudioc |
1.1 |
\hline
|
| 21 |
vimartin |
1.3 |
Sample & CR1PRESEL & CR1A & CR1B & CR1C & CR1D & CR1E\\
|
| 22 |
claudioc |
1.1 |
\hline
|
| 23 |
|
|
\hline
|
| 24 |
vimartin |
1.3 |
Muon \mt-SF & $0.75 \pm 0.01$ & $0.77 \pm 0.02$ & $0.78 \pm 0.03$ & $0.79 \pm 0.05$ & $0.88 \pm 0.08$ & $0.91 \pm 0.12$ \\
|
| 25 |
claudioc |
1.1 |
\hline
|
| 26 |
|
|
\hline
|
| 27 |
vimartin |
1.3 |
Electron \mt-SF & $0.84 \pm 0.02$ & $0.83 \pm 0.03$ & $0.80 \pm 0.04$ & $0.78 \pm 0.06$ & $0.76 \pm 0.09$ & $0.73 \pm 0.12$ \\
|
| 28 |
claudioc |
1.1 |
\hline
|
| 29 |
|
|
\end{tabular}
|
| 30 |
|
|
\caption{ \mt\ peak Data/MC scale factors applied to the single lepton
|
| 31 |
|
|
samples and \ttdl. The raw MC is used for backgrounds from rare
|
| 32 |
|
|
processes. CR1PRESEL refers to a sample with $\met>50$ GeV.
|
| 33 |
|
|
The uncertainties are statistical only.
|
| 34 |
|
|
\label{tab:cr1mtsf}}
|
| 35 |
|
|
\end{center}
|
| 36 |
|
|
\end{table}
|
| 37 |
|
|
|
| 38 |
|
|
|
| 39 |
|
|
In Table~\ref{tab:cr1yields} we compare the data and MC yields in the four $M_T$ signal regions
|
| 40 |
|
|
and in a looser control region. We also derive the data/MC scale factors
|
| 41 |
|
|
$SFR^{e}_{wjet}$ and $SFR^{\mu}_{wjet}$. The underlying \met\ and $M_T$ distributions
|
| 42 |
|
|
are shown in Fig.~\ref{fig:cr1met} and~\ref{fig:cr1mtrest}
|
| 43 |
|
|
|
| 44 |
|
|
\begin{table}[!h]
|
| 45 |
|
|
\begin{center}
|
| 46 |
vimartin |
1.3 |
{\footnotesize
|
| 47 |
|
|
\begin{tabular}{l||c||c|c|c|c|c}
|
| 48 |
claudioc |
1.1 |
\hline
|
| 49 |
vimartin |
1.3 |
Sample & CR1PRESEL & CR1A & CR1B & CR1C & CR1D & CR1E\\
|
| 50 |
claudioc |
1.1 |
\hline
|
| 51 |
|
|
\hline
|
| 52 |
vimartin |
1.3 |
Muon MC & $481 \pm 20$ & $176 \pm 5$ & $121 \pm 4$ & $42 \pm 2$ & $18 \pm 2$ & $9 \pm 1$ \\
|
| 53 |
|
|
Muon Data & $629$ & $238$ & $139$ & $45$ & $12$ & $8$ \\
|
| 54 |
claudioc |
1.1 |
\hline
|
| 55 |
vimartin |
1.3 |
Muon Data/MC SF: ($SFR^{\mu}_{wjet}$) & $1.31 \pm 0.08$ & $1.35 \pm 0.10$ & $1.15 \pm 0.11$ & $1.06 \pm 0.17$ & $0.68 \pm 0.21$ & $0.92 \pm 0.35$ \\
|
| 56 |
claudioc |
1.1 |
\hline
|
| 57 |
|
|
\hline
|
| 58 |
vimartin |
1.3 |
Electron MC & $322 \pm 7$ & $119 \pm 4$ & $81 \pm 3$ & $30 \pm 2$ & $13 \pm 1$ & $5 \pm 1$ \\
|
| 59 |
|
|
Electron Data & $487$ & $181$ & $103$ & $38$ & $16$ & $6$ \\
|
| 60 |
claudioc |
1.1 |
\hline
|
| 61 |
vimartin |
1.3 |
Electron Data/MC SF: ($SFR^e_{wjet}$) & $1.51 \pm 0.08$ & $1.53 \pm 0.13$ & $1.28 \pm 0.14$ & $1.25 \pm 0.22$ & $1.25 \pm 0.34$ & $1.26 \pm 0.56$ \\
|
| 62 |
claudioc |
1.1 |
\hline
|
| 63 |
vimartin |
1.3 |
\end{tabular}}
|
| 64 |
claudioc |
1.1 |
\caption{ Yields in \mt\ tail comparing the MC prediction (after
|
| 65 |
|
|
applying SFs) to data. CR1PRESEL refers to a sample with $\met>50$
|
| 66 |
|
|
GeV and $\mt>150$ GeV.
|
| 67 |
vimartin |
1.3 |
The uncertainties are statistical only.
|
| 68 |
claudioc |
1.1 |
\label{tab:cr1yields}}
|
| 69 |
|
|
\end{center}
|
| 70 |
|
|
\end{table}
|
| 71 |
|
|
|
| 72 |
|
|
|
| 73 |
|
|
\begin{figure}[hbt]
|
| 74 |
|
|
\begin{center}
|
| 75 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/met_met50_leadmuo_nj4.pdf}%
|
| 76 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/met_met50_leadele_nj4.pdf}
|
| 77 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met100_leadmuo_nj4.pdf}%
|
| 78 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met100_leadele_nj4.pdf}
|
| 79 |
|
|
\caption{
|
| 80 |
|
|
Comparison of the \met\ (top) and \mt\ for $\met>100$ (bottom) distributions in data vs. MC for events
|
| 81 |
|
|
with a leading muon (left) and leading electron (right)
|
| 82 |
|
|
satisfying the requirements of CR1.
|
| 83 |
|
|
\label{fig:cr1met}
|
| 84 |
|
|
}
|
| 85 |
|
|
\end{center}
|
| 86 |
|
|
\end{figure}
|
| 87 |
|
|
|
| 88 |
|
|
|
| 89 |
|
|
\begin{figure}[hbt]
|
| 90 |
|
|
\begin{center}
|
| 91 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met150_leadmuo_nj4.pdf}%
|
| 92 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met150_leadele_nj4.pdf}
|
| 93 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met200_leadmuo_nj4.pdf}%
|
| 94 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met200_leadele_nj4.pdf}
|
| 95 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met250_leadmuo_nj4.pdf}%
|
| 96 |
|
|
\includegraphics[width=0.5\linewidth]{plots/CR1plots/mt_met250_leadele_nj4.pdf}
|
| 97 |
|
|
\caption{
|
| 98 |
|
|
Comparison of the \mt\ distribution in data vs. MC for events
|
| 99 |
|
|
with a leading muon (left) and leading electron (right)
|
| 100 |
|
|
satisfying the requirements of CR1. The \met\ requirements used are
|
| 101 |
|
|
150 GeV (top), 200 GeV (middle) and 250 GeV (bottom).
|
| 102 |
|
|
\label{fig:cr1mtrest}
|
| 103 |
|
|
}
|
| 104 |
|
|
\end{center}
|
| 105 |
|
|
\end{figure}
|
| 106 |
|
|
|
| 107 |
|
|
\clearpage |
