46 |
|
\label{tab:hlteff} |
47 |
|
\end{table} |
48 |
|
|
49 |
+ |
|
50 |
+ |
\begin{figure}[tbp] |
51 |
+ |
\begin{center} |
52 |
+ |
\scalebox{0.7}{\includegraphics{figs/mu_isol.eps}} |
53 |
+ |
\caption{Muon isolation variables for the muon associated |
54 |
+ |
to the \W-boson decay in $2e1\mu$ events: the left plot |
55 |
+ |
shows the sum of calorimetric energy in a $\Delta R=0.3$ cone |
56 |
+ |
around the muon candidate; the right plot shows the sum of |
57 |
+ |
transverse momenta of tracks within a $\Delta R = 0.25$ cone around |
58 |
+ |
the muon candidate. The normalization of signal and background |
59 |
+ |
distributions is arbitrary. |
60 |
+ |
} |
61 |
+ |
\label{fig:mu_isol} |
62 |
+ |
\end{center} |
63 |
+ |
\end{figure} |
64 |
+ |
|
65 |
+ |
\begin{figure}[tb] |
66 |
+ |
\begin{center} |
67 |
+ |
\scalebox{0.6}{\includegraphics{figs/mu_SIP.eps}} |
68 |
+ |
\caption{ |
69 |
+ |
Muon impact parameter significance distribution |
70 |
+ |
in $2e1\mu$ events. The normalization of signal and background |
71 |
+ |
distributions is arbitrary. |
72 |
+ |
} |
73 |
+ |
\label{fig:mu_SIP} |
74 |
+ |
\end{center} |
75 |
+ |
\end{figure} |
76 |
+ |
|
77 |
+ |
|
78 |
|
\subsection{Lepton identification} |
79 |
|
\label{sec:leptonId} |
80 |
|
|
105 |
|
and not for electrons. For electrons, a significant fraction of the |
106 |
|
background comes from fake electrons and not from heavy quark decays, |
107 |
|
and a cut on the impact parameter significance shows no improvement |
108 |
< |
in significance there. |
108 |
> |
in significance there, as can be seen in Figure~\ref{fig:wl_IP_SvsCut}. |
109 |
|
|
110 |
+ |
\begin{figure}[p] |
111 |
+ |
\begin{center} |
112 |
+ |
\scalebox{0.6}{\includegraphics{figs/wl_IP_eff.eps}} |
113 |
+ |
\caption{Efficiency for signal and background as a function |
114 |
+ |
of the cut value on the \W-boson lepton impact parameter |
115 |
+ |
significance. All other cuts but the cut on this variable |
116 |
+ |
are applied. |
117 |
+ |
% Only events with 81.1 GeV $< M_Z < $ 101.1 \gev |
118 |
+ |
% are considered. |
119 |
+ |
} |
120 |
+ |
\label{fig:wl_IP_eff} |
121 |
+ |
\end{center} |
122 |
+ |
%\end{figure} |
123 |
+ |
|
124 |
+ |
%\begin{figure}[bt] |
125 |
+ |
\begin{center} |
126 |
+ |
\scalebox{0.6}{\includegraphics{figs/wl_IP_SvsCut.eps}} |
127 |
+ |
\caption{Signal significance as a function of the cut value on |
128 |
+ |
the \W-boson lepton impact parameter significance. All other cuts but |
129 |
+ |
the cut on this variable are applied. |
130 |
+ |
% Only events with 81.1 GeV $< M_Z < $ 101.1 \gev are considered. |
131 |
+ |
} |
132 |
+ |
\label{fig:wl_IP_SvsCut} |
133 |
+ |
\end{center} |
134 |
+ |
\end{figure} |
135 |
|
|
136 |
|
|
137 |
|
\begin{table}[tbp] |