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Presentations / tau23mu_lhcb / 27_10_2013 / group_meeting.tex
  1. % This program can be redistributed and/or modified under the terms
  2. % of the GNU Public License, version 3.
  3. %
  4. % Seth Brown, Ph.D.
  5. % sethbrown@drbunsen.org
  6. %
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  143.  
  144. % see the macros.tex file for definitions
  145. \include{macros }
  146.  
  147. % title slide definition
  148. \title{Stuff made at midnight }
  149. %\subtitle{a bias report}
  150. \author{ Marcin Chrz\k{a}szcz$^{1,2}$ , Nicola Serra$^{1}$ }
  151. \institute[UTH, IFJ]
  152. {
  153. %\begin{tiny}
  154. $ ^1$ University of Zurich , $ ^2$ Institute of Nuclear Physics, Krakow,
  155. %\end{tiny}smallsmall
  156. }
  157.  
  158. \date{ \today}
  159.  
  160. %--------------------------------------------------------------------
  161. % Introduction
  162. %--------------------------------------------------------------------
  163.  
  164. \begin{document}
  165.  
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  181. % \hspace{0.5cm}
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  192.  
  193. %--------------------------------------------------------------------
  194. % OUTLINE
  195. %--------------------------------------------------------------------
  196.  
  197.  
  198.  
  199.  
  200. \section[Outline]{}
  201. \begin{frame}
  202. \tableofcontents
  203. \end{frame}
  204.  
  205.  
  206. %-------------------------------------------------------------------
  207. % Introduction
  208. %-------------------------------------------------------------------
  209. %
  210. % Set the background for the rest of the slides.
  211. % Insert infoline
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  213. {\includegraphics[width=\paperwidth,height=\paperheight]{slide_bg}}
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  215.  
  216. \title{Update on analysis}
  217.  
  218.  
  219. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  220. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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  225. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%2>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  226.  
  227. \section{PID + GeoMVA}
  228. \begin{frame}\frametitle{PID + GeoMVA}
  229. {~}\\
  230. Let's make a rough estimate using MC. This looks promising but doesn't tell the whole story.
  231.  
  232.  
  233. \includegraphics[scale=0.36]{pidmva/ROCPID.png}
  234.  
  235.  
  236. \textref {M.Chrz\k{a}szcz, N.Serra 2013}
  237. \end{frame}
  238.  
  239. %\section{Work done so far}
  240. \begin{frame}\frametitle{PID + GeoMVA}
  241. {~}\\
  242. \begin{itemize}
  243. \item Since doing this on data is beyond one week let's make a rule of thumb on MC.
  244. \item Let's say we are sensitive to bins: $PID>0.43+GeoMVA>0.35$
  245. \item On MC signal efficiency is arround $11\%$.
  246. \item Lets see what happens there.
  247. \item What is the date for MVA to be finish?
  248. \end{itemize}
  249.  
  250.  
  251. \textref {M.Chrz\k{a}szcz, N.Serra 2013}
  252. \end{frame}
  253. \begin{frame}\frametitle{PID + GeoMVA}
  254. {~}\\
  255.  
  256. \includegraphics[scale=0.30]{pidmva/comparison2.png}\\
  257. Looks like at least $10\%$ is achievable. Calibration is also doable(need to check statistics).
  258.  
  259.  
  260. \textref {M.Chrz\k{a}szcz, N.Serra 2013}
  261. \end{frame}
  262. \begin{frame}\frametitle{PID + GeoMVA Conclusions}
  263. {~}\\
  264. \begin{itemize}
  265. \item MC bck statistics are not enough to give a definite answer.
  266. \item Need to look at data =(
  267. \item The plan is to have two MVA with and without PID.
  268. \item The extra work is minimal and we can easily gain.
  269. \end{itemize}
  270.  
  271. \textref {M.Chrz\k{a}szcz, N.Serra 2013}
  272. \end{frame}
  273.  
  274. \begin{frame}\frametitle{$\tau \to 3 \mu$ specifics}
  275. {~}
  276.  
  277.  
  278. \only<1>
  279. {
  280. In case of $\tau \to 3 \mu$ we want different isolation parameters for different kinds of decays:
  281. \begin{itemize}
  282. \item $D \to \tau$
  283. \item $Ds \to \tau$
  284. \item $B \to D \to \tau$
  285. \item $B \to Ds \to \tau$
  286. \item $B \to \tau$
  287. \end{itemize}
  288. }
  289. \only<2>
  290. {
  291. \begin{enumerate}
  292.  
  293. \item Does it make any sense to make my life so complicated?
  294. \item YES!
  295. \item Example: $B \to \tau$ is in $99 \%$ $B \to D \tau X$.
  296. \item This means we if you have D and tau close to each other track from D can go to $\tau$ etc.
  297. \item In their approach this truck would be considered non-isolating which is nonsense because it forms a bck candidate!
  298. \item From first looks the problem can be reduced to 3 chains: $B \to \tau$,
  299. $B \to Dx \to \tau$, $D \to \tau$.
  300. \end{enumerate}
  301. }
  302. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
  303.  
  304.  
  305.  
  306. \only<3>
  307. {
  308.  
  309. \begin{columns}
  310. \column{2.5in}
  311.  
  312. \includegraphics[scale=0.21]{tmva_tau23mu/mva_BDT.png}
  313.  
  314.  
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  316.  
  317. \includegraphics[scale=0.21]{tmva_tau23mu/rejBvsS.png}
  318. \end{columns}
  319.  
  320.  
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  323.  
  324. \includegraphics[scale=0.21]{tmva_tau23mu/mva_BDT_21513000.png}
  325.  
  326.  
  327. \column{2.5in}
  328.  
  329. \includegraphics[scale=0.21]{tmva_tau23mu/rejBvsS_21513000.png}
  330. \end{columns}
  331.  
  332.  
  333.  
  334.  
  335.  
  336. }
  337.  
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  343.  
  344. \end{frame}
  345.  
  346.  
  347.  
  348.  
  349. \end{document}