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\noindent This insures that $K_3 M_3/(M_2 + K_3 M_3 + K_4 M_4) = N_3 / |
| 135 |
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(N_2+N_3+N_4)$ and similarly for the $\geq 4$ jet bin. |
| 136 |
|
|
| 137 |
< |
Table~\ref{tab:njetskfactors} also shows the values of $K_3$ and $K_4$ when the \met\ cut in the control sample definition is changed from 50 GeV to 100 GeV and 150 GeV. |
| 137 |
> |
Table~\ref{tab:njetskfactors} also shows the values of $K_3$ and $K_4$ for different values of the \met\ cut in the control sample definition. |
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% These values of $K_3$ and $K_4$ are not used in the analysis, but |
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This demonstrates that there is no statistically significant dependence of $K_3$ and $K_4$ on the \met\ cut. |
| 140 |
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|
| 157 |
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\begin{table}[!ht] |
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\begin{center} |
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{\footnotesize |
| 160 |
< |
\begin{tabular}{l|c|c|c} |
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< |
\cline{2-4} |
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< |
& \multicolumn{3}{c}{ \met\ cut for data/MC scale factors} \\ |
| 160 |
> |
\begin{tabular}{l|c|c|c|c|c|c} |
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> |
\cline{2-7} |
| 162 |
> |
& \multicolumn{6}{c}{ \met\ cut for data/MC scale factors} \\ |
| 163 |
|
\hline |
| 164 |
< |
Jet Multiplicity Sample & 50 GeV & 100 GeV & 150 GeV \\ |
| 164 |
> |
Sample & 50 GeV & 100 GeV & 150 GeV & 200 GeV & 250 GeV & 300 GeV \\ |
| 165 |
|
\hline |
| 166 |
|
\hline |
| 167 |
< |
N jets $= 3$ (sensitive to $\ttbar+1$ extra jet from radiation) |
| 168 |
< |
& $K_3 = 0.98 \pm 0.02$ & $K_3 = 1.01 \pm 0.03$ & $K_3 = 1.00 \pm 0.08$ \\ |
| 169 |
< |
N jets $\ge4$ (sensitive to $\ttbar+\ge2$ extra jets from radiation) |
| 170 |
< |
& $K_4 = 0.94 \pm 0.02$ & $K_4 = 0.93 \pm 0.04$ & $K_4 = 1.00 \pm 0.08$ \\ |
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> |
N jets $= 3$ |
| 168 |
> |
& $K_3 = 0.98 \pm 0.02$ & $K_3 = 1.01 \pm 0.03$ & $K_3 = 1.00 \pm 0.08$ & $K_3 = 1.03 \pm 0.18$ & $K_3 = 1.29 \pm 0.51$ & $K_3 = 1.58 \pm 1.23$ \\ |
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> |
N jets $\ge4$ |
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> |
& $K_4 = 0.94 \pm 0.02$ & $K_4 = 0.93 \pm 0.04$ & $K_4 = 1.00 \pm 0.08$ & $K_4 = 1.07 \pm 0.18$ & $K_4 = 1.30 \pm 0.48$ & $K_4 = 1.65 \pm 1.19$ \\ |
| 171 |
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\hline |
| 172 |
|
\end{tabular}} |
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\caption{Data/MC scale factors used to account for differences in the |
| 174 |
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fraction of events with additional hard jets from radiation in |
| 175 |
< |
\ttll\ events. The values derived with the 100 GeV \met\ cut are applied |
| 175 |
> |
\ttll\ events. |
| 176 |
> |
The N jets $= 3$ scale factor, $K_3$, is sensitive to $\ttbar+1$ extra jet from radiation, while |
| 177 |
> |
the N jets $\ge4$ scale factor, $K_4$, is sensitive to $\ttbar+\ge2$ extra jets from radiation. |
| 178 |
> |
The values derived with the 100 GeV \met\ cut are applied |
| 179 |
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to the \ttll\ MC throughout the analysis. \label{tab:njetskfactors}} |
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\end{center} |
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\end{table} |
