| 12 |
|
from $W$-decays, which is reconstructed as \met in the |
| 13 |
|
detector. |
| 14 |
|
|
| 15 |
< |
in 30 pb$^{-1}$ we expect $\approx$ 1 SM event in |
| 15 |
> |
In 30 pb$^{-1}$ we expect $\approx$ 1 SM event in |
| 16 |
|
the signal region. The expectations from the LMO |
| 17 |
< |
and LM1 SUSY benchmark points are {\color{red} XX} and |
| 18 |
< |
{\color{red} XX} events respectively. |
| 17 |
> |
and LM1 SUSY benchmark points are 15.1 and |
| 18 |
> |
6.0 events respectively. {\color{red} I took these |
| 19 |
> |
numbers from the twiki, rescaling from 11.06 to 30/pb. |
| 20 |
> |
They seem too large...are they really right?} |
| 21 |
|
|
| 22 |
|
|
| 23 |
|
\subsection{ABCD method} |
| 40 |
|
|
| 41 |
|
\begin{figure}[bt] |
| 42 |
|
\begin{center} |
| 43 |
< |
\includegraphics[width=0.75\linewidth]{abcdMC.jpg} |
| 43 |
> |
\includegraphics[width=0.5\linewidth, angle=90]{abcdMC.pdf} |
| 44 |
|
\caption{\label{fig:abcdMC}\protect Distributions of SumJetPt |
| 45 |
|
vs. MET$/\sqrt{\rm SumJetPt}$ for SM Monte Carlo. Here we also |
| 46 |
< |
show our choice of ABCD regions. {\color{red} We need a better |
| 47 |
< |
picture with the letters A-B-C-D and with the numerical values |
| 46 |
< |
of the boundaries clearly indicated.}} |
| 46 |
> |
show our choice of ABCD regions. {\color{red} Derek, I |
| 47 |
> |
do not know if this is SM or $t\bar{t}$ only.}} |
| 48 |
|
\end{center} |
| 49 |
|
\end{figure} |
| 50 |
|
|
| 54 |
|
in the four regions for the SM Monte Carlo, as well as the BG |
| 55 |
|
prediction AC/B are given in Table~\ref{tab:abcdMC} for an integrated |
| 56 |
|
luminosity of 30 pb$^{-1}$. The ABCD method is accurate |
| 57 |
< |
to about 10\%. |
| 57 |
> |
to about 10\%. {\color{red} Avi wants some statement about stability |
| 58 |
> |
wrt changes in regions. I am not sure that we have done it and |
| 59 |
> |
I am not sure it is necessary (Claudio).} |
| 60 |
|
|
| 61 |
|
\begin{table}[htb] |
| 62 |
|
\begin{center} |
| 65 |
|
\begin{tabular}{|l|c|c|c|c||c|} |
| 66 |
|
\hline |
| 67 |
|
Sample & A & B & C & D & AC/D \\ \hline |
| 68 |
< |
ttdil & 6.4 & 28.4 & 4.2 & 1.0 & 0.9 \\ |
| 69 |
< |
Zjets & 0.0 & 1.3 & 0.2 & 0.0 & 0.0 \\ |
| 70 |
< |
Other SM & 0.6 & 2.1 & 0.2 & 0.1 & 0.0 \\ \hline |
| 71 |
< |
total MC & 7.0 & 31.8 & 4.5 & 1.1 & 1.0 \\ \hline |
| 68 |
> |
ttdil & 6.9 & 28.6 & 4.2 & 1.0 & 1.0 \\ |
| 69 |
> |
Zjets & 0.0 & 1.3 & 0.1 & 0.1 & 0.0 \\ |
| 70 |
> |
Other SM & 0.5 & 2.0 & 0.1 & 0.1 & 0.0 \\ \hline |
| 71 |
> |
total MC & 7.4 & 31.9 & 4.4 & 1.2 & 1.0 \\ \hline |
| 72 |
|
\end{tabular} |
| 73 |
|
\end{center} |
| 74 |
|
\end{table} |
| 196 |
|
with $P_T(\ell \ell) = \met$, an excess of ev ents would be seen |
| 197 |
|
in the ABCD method but not in the $P_T(\ell \ell)$ method. |
| 198 |
|
|
| 199 |
+ |
|
| 200 |
|
The LM points are benchmarks for SUSY analyses at CMS. The effects |
| 201 |
|
of signal contaminations for a couple such points are summarized |
| 202 |
|
in Table~\ref{tab:sigcontABCD} and~\ref{tab:sigcontPT}. |
