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Revision: 1.1
Committed: Sat May 26 04:17:32 2012 UTC (12 years, 11 months ago) by claudioc
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# User Rev Content
1 claudioc 1.1 \section{Information for model testing}
2     \label{sec:outreach}
3    
4     Our
5     results can be used to confront models of new physics
6     in an approximate way by generator-level studies
7     that compare the expected number of events with the
8     upper limits from Table~\ref{tab:SR}.
9     The ``receipe'' to be used is given
10     in Ref.~\cite{Chatrchyan:2012qka}, and will not
11     be repeated here. The \MET~~and $H_T$ turn on curves
12     in this analysis are consistent with those of Ref.~\cite{Chatrchyan:2012qka}.
13     On the other hand the lepton and btag efficiency curves
14     of Fig.~\ref{fig:efficiencies} are slightly different because
15     of changes in the underlying selections.
16    
17     Lepton efficiencies in Fig.~\ref{fig:efficiencies}
18     are parametrized as
19    
20     \begin{eqnarray}
21     \epsilon = \epsilon_{\rm \infty} {\rm erf}\left ( \frac{\pt - 20~{\rm GeV}}{\sigma} \right)
22     + \epsilon_{20} \left( 1.- {\rm erf}\left ( \frac{\pt - 20~{\rm GeV}}{\sigma} \right) \right),
23     \label{eq:lepeffFitF}
24     \end{eqnarray}
25    
26     \noindent with $\epsilon_{\rm \infty} = 0.58$ (0.66),
27     $\epsilon_{20} = 0.22$ (0.47), $\sigma = 12$ GeV (26 GeV) for electrons
28     (muons).
29    
30     The parametrization of the simulated b-tagging efficiency,
31     also shown in Fig.~\ref{fig:efficiencies},
32     is $\epsilon = 0.65$ for $90 < \pt < 170$ GeV; at higher
33     (lower) $\pt$ it decreases linearly with a slope of 0.0007 (0.0038) GeV$^{-1}$.
34    
35    
36    
37