\documentclass[xcolor=svgnames]{beamer} \usepackage[utf8]{inputenc} \usepackage[english]{babel} \usepackage{polski} %\usepackage{amssymb,amsmath} %\usepackage[latin1]{inputenc} %\usepackage{amsmath} %\newcommand\abs[1]{\left|#1\right|} \usepackage{amsmath} \newcommand\abs[1]{\left|#1\right|} \usepackage{hepnicenames} \usepackage{hepunits} \usepackage{color} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5 \definecolor{mygreen}{cmyk}{0.82,0.11,1,0.25} \usetheme{Sybila} \title[$\PBzero \to \PKstar \mu\mu$ update]{$\PBzero \to \PKstar \mu\mu$ update} \author{Marcin Chrz\k{a}szcz$^{1}$} \institute{$^1$~University of Zurich} \date{\today} \begin{document} % --------------------------- SLIDE -------------------------------------------- \frame[plain]{\titlepage} \author{Marcin Chrz\k{a}szcz{~}} \institute{(UZH)} % ------------------------------------------------------------------------------ % --------------------------- SLIDE -------------------------------------------- \begin{frame}\frametitle{Reminder} \begin{itemize} \item Last time I show you how to get the $P_x$ distributions by simulating the bifurcated Gaussian. \item Now how to get the mean and error on this distribution. \end{itemize} \end{frame} \begin{frame}\frametitle{Basics} \begin{itemize} \item We cannot just take the expected $S_x$ and expected $F_l$ and calculate: $P_x =\dfrac{S_x}{\sqrt{F_l(1-F_l)}}$ to get expected $P_x$. \item This will work only for Gaussian distributions(but not for bifurcated). \item Proposal: Fit a parabola in range $[-0.5 \rm{RMS}, 0.5\rm{RMS}]$ \item Get the most probable value. \end{itemize} \begin{columns} \column{2.5in} \includegraphics[width=0.95\textwidth]{images/P1.pdf} \column{2.5in} \includegraphics[width=0.95\textwidth]{images/P5.pdf} \end{columns} \end{frame} \begin{frame}\frametitle{Confidence interval} \begin{small} \begin{itemize} \item Now just need to find the $68.27\%$ interval. \item Draw a horizontal line $y=y_{max} \times 0.9$ \item Iterate among all bins and select bins with events that have $y_{i~bin}>y$. \item Find $y_{68}$ for which $68.27\%$ have the property$\sum y_{i~bin>y_{68}}=0.6827 $ \item Find the two spots where the $y_{68}$ line crosses the distribution. \item With current statistics I have $\mathcal{O}(10^{-4})$ error on the input $S_x$ and $\mathcal{O}(10^{-3})$ on output $P_x$. \end{itemize} \end{small} \begin{columns} \column{2.5in} \includegraphics[width=0.95\textwidth]{images/P1.pdf} \column{2.5in} \includegraphics[width=0.95\textwidth]{images/P5.pdf} \end{columns} \end{frame} \begin{frame}\frametitle{Systematics} \begin{small} \begin{itemize} \item To access systematics due to unfolding procedure we use the higher($+2$) order acceptance correction function on high statistics MC. \item I noticed that some of the weights ($1/eff$) are super large ($>100$) or even negative which fucks up our distributions and creates larger systematics then it should be. \item Repeated this study rejecting this events. \end{itemize} \end{small} \begin{tiny} \begin{tabular}{|c|c|c|c|c|c|c|c|c|} $q^2$ & $F_l$ & $S_3$ & $S_4$ & $S_5$ & $S_6$ & $S_7$ & $S_8$ & $S_9$ \\ \hline 0 & 0.0022 & 0.005 & 0.0003 & 0.0077 & 0.0066 & 0.0080 & 0.0002 & 0.0032 \\ 1 & 0.0048 & 0.001 & 0.0014 & 0.0051 & 0.0088 & 0.0036 & 0.0048 & 0.0003 \\ 2 & 0.0004 & 0.0001 & 0.00013 & 0.0056 & 0.0046 & 0.0014 & 0.0003 & 0.0022 \\ 3 & 0.0002 & 0.0012 & 0.0007 & 0.0017 & 0.0001 & 0.0016 & 0.0011 & 0.0021 \\ 4 & 0.002 & 0.0004 & 0.0005 & 0.0015 & 0.0003 & 0.0009 & 0.0002 & 0.0010 \\ 5 & 0.006 & 0.0011 & 0.0007 & 0.0026 & 0.0014 & 0.0016 & 0.0015 & 0.0004 \\ 6 & 0.008 & 0.0019 & 0.0008 & 0.0024 & 0.0029 & 0.0033 & 0.0019 & 0.0000 \\ 7 & 0.0062 & 0.0015 & 0.0002 & 0.0011 & 0.0036 & 0.0028 & 0.0016 & 0.0005 \\ 8 & 0.0035 & 0.0037 & 0.0017 & 0.0046 & 0.0037 & 0.0005 & 0.0040 & 0.0040 \\ 9 & 0.005 & 0.0001 & 0.0004 & 0.0010 & 0.0009 & 0.0050 & 0.0043 & 0.0033 \\ 10 & 0.0011 & 0.0044 & 0.002 & 0.0060 & 0.0059 & 0.0101 & 0.0000 & 0.0012 \\ 11 & 0.0021 & 0.0018 & 0.0001 & 0.0020 & 0.0004 & 0.0052 & 0.0082 & 0.0059 \\ \end{tabular} \end{tiny} \end{frame} \begin{frame}\frametitle{The end} \begin{itemize} \item If we all agree with thouse procedure would like to put them in the note \item Keep on working on other systematics. \end{itemize} \end{frame} \end{document}