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\author{ {Marcin Chrzaszcz} (CERN)}
\institute{UZH}
\title[Follow up questions]{Follow up questions}
\begin{document}
\tikzstyle{every picture}+=[remember picture]
{
\setbeamertemplate{sidebar right}{\llap{\includegraphics[width=\paperwidth,height=\paperheight]{bubble2}}}
\begin{frame}[c]%{\phantom{title page}}
\begin{center}
\begin{center}
\begin{columns}
\begin{column}{0.75\textwidth}
\flushright \bfseries \Huge {Follow up questions}
\end{column}
\begin{column}{0.02\textwidth}
{~}
\end{column}
\begin{column}{0.23\textwidth}
% \hspace*{-1.cm}
\vspace*{-3mm}
\includegraphics[width=0.6\textwidth]{lhcb-logo}
\end{column}
\end{columns}
\end{center}
\quad
\vspace{3em}
\begin{columns}
\begin{column}{0.99\textwidth}
J.~Albrecht$^1$, J.~Bhom$^2$, M.~Chrzaszcz$^{4}$, G.Meier$^{1}$,
%V.~Gligorov$^{5}$,
T~.Momb\"acher$^{1}$, M.~Pikies$^{2}$, F.~Polci$^{5}$, S.~Reichert$^{1}$, N.~Serra$^{3}$
\bigskip\\
$^1$ Dortmund , $^2$ Krakow, $^3$ Z\"{u}rich, $^4$CERN, $^5$LPNHE
\end{column}
%\begin{column}{0.53\textwidth}
%\includegraphics[height=1.3cm]{uzh-transp}
%\end{column}
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\vspace{5em}
% \footnotesize\textcolor{gray}{With N. Serra, B. Storaci\\Thanks to the theory support from M. Shaposhnikov, D. Gorbunov}\normalsize\\
\vspace{0.5em}
\textcolor{normal text.fg!50!Comment}{$\PB \to \PK e \mu$ RC meeting, April 24, 2019}
\end{center}
\end{frame}
}
\begin{frame}\frametitle{Reminder}
\ARROW In the last meeting 3 things were requested:
\begin{enumerate}
\item Increase the systematic due to VTX $\chi^2$ reweighing.\\ {\color{ForestGreen} Done, nothing changed due to rounding precision.}
\pause
\item Tackle the large weight problems.
\item Provide a better efficiency maps.
\end{enumerate}
\end{frame}
\begin{frame}\frametitle{The problem of efficiency maps}
\ARROW After we divide the 2 histograms we have large weights on the edges:
\includegraphics[angle=-90,width=0.75\textwidth]{{images/B2Kemu_weights}.pdf}
\end{frame}
\begin{frame}\frametitle{The (NOT)solution}
\ARROW Apply cuts: $m_{Ke}>0.6~\GeV$ and $m_{e\mu}>0.2~\GeV$
\includegraphics[angle=-90,width=0.75\textwidth]{{images/B2Kemu_weights_my1}.pdf}
\ARROW Not really solving the problem...
\end{frame}
\begin{frame}\frametitle{The (NOT)solution 2}
\ARROW Apply cuts: $m_{Ke}>1.0~\GeV$ and $m_{e\mu}>1.0~\GeV$
\includegraphics[angle=-90,width=0.75\textwidth]{{images/B2Kemu_weights_my2}.pdf}
\ARROW Not really solving the problem...
\end{frame}
\begin{frame}\frametitle{The (NOT)solution 3}
\ARROW Apply cuts: $m_{Ke}>1.0~\GeV$ and $m_{e\mu}>1.0~\GeV$ and $m_{K\mu}>0.7~\GeV$
\includegraphics[angle=-90,width=0.75\textwidth]{{images/B2Kemu_weights_my3}.pdf}
\ARROW Not really solving the problem...
\end{frame}
\begin{frame}\frametitle{The (NOT)solution 3}
\ARROW Apply cuts: $m_{Ke}>1.0~\GeV$ and $m_{e\mu}>1.0~\GeV$ and $m_{K\mu}>1.5~\GeV$
\includegraphics[angle=-90,width=0.75\textwidth]{{images/B2Kemu_weights_my4}.pdf}
\ARROW Not really solving the problem...
\end{frame}
\begin{frame}\frametitle{The (NOT)solution}
\ARROW No matter what you do you will not avoid this problem, due to geometry.
\end{frame}
\begin{frame}\frametitle{The solution}
\ARROW We determine the change induced by the weight cut on the BALL sample (0.5\%, by counting the candidates on the unweighted simulation)\\
\ARROW We determine the change induced by the weight cut on the PHSP sample (0.2\%, by determining the sum of weights with and w/o including the large weights)\\
\ARROW The larger number is conservatively assigned as systematic uncertainty\\
\end{frame}
\begin{frame}\frametitle{Lucky mistake}
\ARROW During this we noticed that the large weights have not been removed in the efficiency calculation but only in the plots.\\
\ARROW We therefore propose to leave them in, as we checked their effect is 0.2-0.5\%.
\end{frame}
\begin{frame}
\begin{center}
\begin{Huge}
Efficiency maps
\end{Huge}
\end{center}
\end{frame}
\begin{frame}\frametitle{Efficiency maps}
\begin{alertblock}{}
\includegraphics[angle=-90,width=0.49\textwidth]{{images/dalitz_KeSS_Run1_total1}.pdf}
\includegraphics[angle=-90,width=0.49\textwidth]{{images/dalitz_KmuSS_Run1_total1}.pdf}
\end{alertblock}
\end{frame}
\begin{frame}
\begin{table}[h]
\begin{center}\begin{tabular}{lc}
\hline \hline
mass swap & mass region vetoed \\
\hline \hline
\multirow{2}{*}{$K$ with $\mu$ mass} & $3000<m_{K^-\mu^+}<3200$\\
& $3630<m_{K^-\mu^+}<3740$\\
\hline
\multirow{2}{*}{ $e$ with $\mu$ mass} & $2950<m_{e^-\mu^+}<3200$\\
& $3630<m_{e^-\mu^+}<3740$\\
\hline
\multirow{2}{*}{$K$ with $e$ mass} & $3000<m_{K^+ e^-}<3200$\\
& $3630<m_{K^+ e^-}<3740$\\
\hline
\multirow{2}{*}{$\mu$ with $e$ mass} & $3000<m_{\mu^+ e^-}<3200$\\
& $3630<m_{\mu^+ e^-}<3740$\\
\hline \hline
\end{tabular}\end{center}
\label{tab:charmonium_vetoes_signal}
\end{table}
\begin{exampleblock}{~}
The problem with this is that the mass hypothesis are not the same as in the Dalitz plane so the efficiency of this cuts is not 0.
\end{exampleblock}
\end{frame}
\begin{frame}{Illustration}
\begin{columns}
\column{0.5\textwidth}
No veto
\column{0.5\textwidth}
Single veto
\end{columns}
\includegraphics[angle=-90,width=0.49\textwidth]{images/FULL.pdf}
\includegraphics[angle=-90,width=0.49\textwidth]{images/ONECUT.pdf}
\end{frame}
\begin{frame}{Illustration}
\begin{columns}
\column{0.5\textwidth}
No veto
\column{0.5\textwidth}
All vetos
\end{columns}
\includegraphics[angle=-90,width=0.49\textwidth]{images/FULL.pdf}
\includegraphics[angle=-90,width=0.49\textwidth]{images/ALLCUT.pdf}\\
\ARROW The non-zero bins in the veto areas of the maps are not binning effects but genuine due to the mass hypothesis swap.
\ARROW The choice of the binning becomes an editorial one (next slide)
\end{frame}
\begin{frame}{Proposed solution}
\ARROW To make the plots nicer we proposed to enlarge the bins:
\begin{alertblock}{Old plots:}
\includegraphics[angle=-90,width=0.35\textwidth]{{images/dalitz_KeSS_Run1_total1}.pdf}
\includegraphics[angle=-90,width=0.35\textwidth]{{images/dalitz_KmuSS_Run1_total1}.pdf}
\end{alertblock}
\begin{exampleblock}{New plots:}
\includegraphics[angle=-90,width=0.35\textwidth]{{images/dalitz_KeSS_Run1_total}.pdf}
\includegraphics[angle=-90,width=0.35\textwidth]{{images/dalitz_KmuSS_Run1_total}.pdf}
\end{exampleblock}
\end{frame}
\begin{frame}{Proposed solution}
\begin{exampleblock}{New plots:}
\includegraphics[angle=-90,width=0.49\textwidth]{{images/dalitz_KeSS_Run1_total}.pdf}
\includegraphics[angle=-90,width=0.49\textwidth]{{images/dalitz_KmuSS_Run1_total}.pdf}
\end{exampleblock}
\ARROW Since we have handful of events the coarse binning is ok.
\end{frame}
\backupbegin
\begin{frame}\frametitle{Backup}
\topline
\end{frame}
\begin{frame}{Illustration}
\includegraphics[angle=-90,width=0.9\textwidth]{images/projection.pdf}
\end{frame}
\backupend
\end{document}
Marcin Chrzaszcz