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Presentations / Kstmumu / REGP_bckMC_01_10_2013 / group_meeting.tex
@mchrzasz mchrzasz on 10 Oct 2013 10 KB update before changing laptops
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% see the macros.tex file for definitions
\include{macros }

% title slide definition
\title{Simulation of the background for analyses with ew-penguin.}
%\subtitle{a bias report}
\author{ Marcin Chrz\k{a}szcz$^{1,2}$ ,  Nicola Serra$^{1}$ }
\institute[UTH, IFJ]
{
 %\begin{tiny}
$ ^1$ University of Zurich , $ ^2$ Institute of Nuclear Physics, Krakow,  
 %\end{tiny}smallsmall
}
  

\date{ \begin{small} $2^{nd}$ October 2013 \end{small}}

%--------------------------------------------------------------------
%                           Introduction
%--------------------------------------------------------------------

\begin{document}




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%--------------------------------------------------------------------
%                          OUTLINE
%--------------------------------------------------------------------




\section[Outline]{}
\begin{frame}
\tableofcontents
\end{frame}




%-------------------------------------------------------------------
%                          Introduction
%-------------------------------------------------------------------
%
% Set the background for the rest of the slides.
% Insert infoline
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 {\includegraphics[width=\paperwidth,height=\paperheight]{slide_bg}}
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\title{Update on analysis}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}\frametitle{Reminder}

\begin{enumerate}
\item Last week we proposed a general MC production for all EW penguin.
\item Production would consist of two samples:striped and non-stripped.
\item Striped one would be used for bck studies.
\item Non-stripped one would be used for developing a MVA for future stripping.
\item There was few questions asked which we want to answer. 
\end{enumerate}

\href{https://indico.cern.ch/materialDisplay.py?contribId=4&materialId=slides&confId=238951}{Link to previous presentation.}



	\textref {M.Chrz\k{a}szcz, N.Serra 2013}


\end{frame}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{MC vs Data}
\begin{frame}\frametitle{MC vs Data}

\begin{columns}
\column{1.7in}
Signal\\
\includegraphics[scale=0.15]{kstmumu/plot_signal.png}
\column{1.7in}
MC bck\\
\includegraphics[scale=0.15]{kstmumu/plot_mc_bck.png}
\column{1.7in}
Data\\
\includegraphics[scale=0.15]{kstmumu/plot_data.png}



\end{columns}

	\textref {M.Chrz\k{a}szcz, N.Serra 2013}

\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
\section{Dimuon bck importance}
\begin{frame}\frametitle{Dimuon bck importance}
\begin{enumerate}

\item Is our background really 2 muons?
\begin{itemize}
\item After stripping:
\item $0.96$ has 2 muons.
\item $0.999$ has at least one real muon.
\item Perfect :)
\end{itemize}
\end{enumerate}

	\textref {M.Chrz\k{a}szcz, N.Serra 2013}

\end{frame}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
\begin{frame}\frametitle{Cuts summary}
\only<1>{
		\begin{center}
  \begin{tabular}{ | c | c || l | c |}
    \hline
    \multicolumn{4}{|c| }{DiMuon MC} \\
    \hline
    \multicolumn{2}{|c|| }{$\tau \to 3 \mu$} & \multicolumn{2}{|c| }{EW} \\ \hline \hline
    $p_{t\mu}$ & $>290MeV$ & $p_{t\mu}$ & $>120MeV$ \\ \hline
    $p_{\mu}$ & $>2.9GeV$ & $p_{\mu}$ & $>2.9GeV$ \\    \hline
   $M(\mu\mu) $&$<4.5GeV$ & $m(\mu\mu)$ & $<5.1GeV$\\  \hline  
  DOCA$(\mu\mu)$ & $<0.35mm$ & DOCA$(\mu\mu)$ & $<0.45mm$\\ \hline
  \end{tabular}
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\only<2>
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\begin{columns}
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Cut on $Pt$ over $99\%$ efficient!

}

	\textref {M.Chrz\k{a}szcz, N.Serra 2013}

\end{frame}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}\frametitle{Gain using MC cuts}

\begin{enumerate}
\item Back-of-the-envelope calculation
\item Based on  $\tau \to 3\mu$ sample.
\item $8\times$ the speed of production(compared to single dimuon)
\item $\mathcal{O}(10^{3} )$ gain compared to inclusive bb. 
\end{enumerate}

	\textref {M.Chrz\k{a}szcz, N.Serra 2013}


\end{frame}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}\frametitle{Conclusions}

\begin{enumerate}
\item Modifications to cuts is still possible. Let us know.
\item We ask for comment/suggestions.
\item Hope this sample will be useful for other analysis as for $\PKstar \mu \mu$.
\item We hope this can move forward quickly to put our hands on this sample :)
\end{enumerate}

	\textref {M.Chrz\k{a}szcz, N.Serra 2013}


\end{frame}




\end{document}