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\title[Recent BaBar results on CP violation in B-meson decays]{ Recent BaBar results on CP violation in B-meson decays}        
\author{Marcin Chrz\k{a}szcz$^{1}$ \\ \footnotesize{on behalf of the BaBar collaboration}}   
\institute{$^1$~University of Zurich \\{~}\\  Deep-Inelastic Scattering 2015 }              
\date{\today}                                                                               
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\author{Marcin Chrz\k{a}szcz}                                                               
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\institute{~(UZH)}                                                                          



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\begin{frame}\frametitle{Fast reminder}

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\begin{itemize}
\item HBT interferometry can be used to study the diameters of source.
\item For indistinguishable particles the phenomena is know as Bose-Einstein Correlations(BEC).
\item BEC correlations occur as enhancement of same particles in the low $Q$ region.
\item We already observed the effects.
\item For now I want to make BEC for pions, kaons are for future(less statistics).
\item Use 2011 sample.
\end{itemize}
\begin{equation}
m =a  b \PB
\end{equation}

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