Presentation: Evening before
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2019-20/presentation/images/km3net-orca-significance-nmh.jpg
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2019-20/presentation/images/km3net-orca-significance-nmh.jpg
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2019-20/presentation/images/neutrino-oscillation.jpg
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@ -191,14 +191,14 @@
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\section{Detector Design}
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\section{Detector Design}
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\begin{frame}
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\begin{frame}
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\frametitle{Detector Design}
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\frametitle{Detector Design}
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\note[item]{ Old design => Markov 1960 multiple predecessors }
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\note[item]{ compare with IceCube, ANTARES, DUMAND }
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\pause
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\pause
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\begin{figure}
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\begin{figure}
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\includegraphics[width=0.8\textwidth]{images/principal-idea-neutrino-telescope-icecube-with-text.png}
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\includegraphics[width=0.8\textwidth]{images/principal-idea-neutrino-telescope-icecube-with-text.png}
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\end{figure}
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\end{figure}
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\end{frame}
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\end{frame}
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\note[itemize]{
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\note[itemize]{
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\item Old design => Markov 1960 multiple predecessors
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\item compare with IceCube, ANTARES, DUMAND
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\bigskip
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\bigskip
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\item Cherenkov light
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\item Cherenkov light
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\item Digital-Optical Module
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\item Digital-Optical Module
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@ -267,6 +267,7 @@
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\note[itemize]
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\note[itemize]
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{
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{
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\item PMT: gain $10^6$
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\item PMT: gain $10^6$
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\item PMT: compare amount with IceCube: 1:31
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\item Acoustics: resolution to 20 cm $\mapsto$ 1 ns
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\item Acoustics: resolution to 20 cm $\mapsto$ 1 ns
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}
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}
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@ -292,6 +293,10 @@
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\end{figure}
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\end{figure}
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\end{columns}
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\end{columns}
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\end{frame}
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\end{frame}
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\note[itemize]
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{
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\item DOM uplink 1Gbps
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}
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% Calibration
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% Calibration
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%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%
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@ -305,6 +310,11 @@
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\end{itemize}
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\end{itemize}
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\end{itemize}
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\end{itemize}
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\end{frame}
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\end{frame}
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\note[itemize]
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{
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\item 8ns data
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\item $1\mathrm{ns} \times c = 30\mathrm{cm}$ $\mapsto$ $\Delta x \approx 2.40\mathrm{m}$
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}
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%%
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%%
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\begin{frame}
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\begin{frame}
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@ -352,6 +362,7 @@
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\item comparison of timings on the same string
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\item comparison of timings on the same string
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\item Acoustics: position calibration
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\item Acoustics: position calibration
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}
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}
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%%
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%%
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\begin{frame}
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\begin{frame}
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\frametitle{Background Effects}
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\frametitle{Background Effects}
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@ -367,16 +378,24 @@
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\item bioluminescence: marine sciences, effect of upto 10\%
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\item bioluminescence: marine sciences, effect of upto 10\%
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\item
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\item
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}
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}
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% Events
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% Events
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%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{frame}
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\begin{frame}
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\frametitle{Event Triggers}
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\frametitle{Event Triggers}
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\begin{columns}
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\column{0.6\textwidth}
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Multiple Triggers
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Multiple Triggers
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\begin{itemize}
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\begin{itemize}
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\item L0: 0.3 photo-electrons in PMT (in DOM)
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\item L0: 0.3 photo-electrons in PMT (in DOM)
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\item L1: 2 hits in separate PMTs within 25ns
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\item L1: 2 hits in separate PMTs within 25ns
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\item L2: use orientation of PMTs
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\item L2: use orientation of PMTs
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\end{itemize}
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\end{itemize}
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\column{0.4\textwidth}
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\begin{figure}
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\includegraphics[width=\textwidth]{images/Neutrino-candidate-in-KM3NeT-ORCA6.jpg}
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\end{figure}
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\end{columns}
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\end{frame}
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\end{frame}
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\note[itemize]
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\note[itemize]
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{
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{
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@ -386,6 +405,23 @@
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\item study gives relative time offset mostly 10 ns.
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\item study gives relative time offset mostly 10 ns.
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\end{itemize}
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\end{itemize}
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\item L2: halves the remaining hits
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\item L2: halves the remaining hits
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\item Causality: $25\mathrm{ns} \mapsto 7.5\mathrm{m}$
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}
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%%
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\begin{frame}
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\frametitle{Event Triggers: Muon Tracks and Showers}
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\begin{figure}
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\includegraphics[width=\textwidth]{images/km3net-track-length-estimation.png}
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\end{figure}
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\end{frame}
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\note[itemize]
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{
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\item Various Trigger Algorithms
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\item Muon track
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\item directional filter $\sim 10^\circ$ $\mapsto$ 200 directions cover $4\pi$
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\item shower events
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}
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}
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%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%
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@ -406,7 +442,8 @@
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\begin{columns}
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\begin{columns}
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\column{.4\textwidth}
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\column{.4\textwidth}
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\begin{itemize}
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\begin{itemize}
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\item
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\item 1 Building Block
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\item dense packing $\mapsto$ sensitivity GeV to TeV
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\end{itemize}
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\end{itemize}
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\column{.6\textwidth}
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\column{.6\textwidth}
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\begin{figure}
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\begin{figure}
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@ -416,6 +453,10 @@
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\end{frame}
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\end{frame}
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\note[itemize]
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\note[itemize]
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{
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{
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\item depth: 2500m
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\item height: 150m
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\item width: \textit{see frame}
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\item instrumented volume: 8 Million tonnes of water
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\item horizontal distance 20m
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\item horizontal distance 20m
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\item vertical distance 6m
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\item vertical distance 6m
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}
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}
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\end{figure}
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\end{figure}
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\end{frame}
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\end{frame}
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\subsection{Neutrino Mass Hierarchy}
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%\subsection{Neutrino Mass Hierarchy}
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\begin{frame}
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\frametitle{Neutrino Mass Hierarchy}
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\begin{figure}
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\includegraphics[width=\textwidth]{images/neutrino-mass-hierarchies.png}
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\end{figure}
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\end{frame}
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%%
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%%
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\begin{frame}
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\begin{frame}
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\frametitle{Neutrino Oscillations}
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\frametitle{Neutrino Oscillations}
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\begin{center}
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\begin{itemize}
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\item Pontecorvo - Maki - Nakagawa - Sakata matrix
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\item 3 angles, 1 phase
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\end{itemize}
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\begin{figure}
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\includegraphics[width=.8\textwidth]{images/neutrino-oscillation.jpg}
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\end{figure}
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\end{center}
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\end{frame}
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\end{frame}
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\note[itemize]
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\note[itemize]
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{
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{
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\item solar neutrino puzzle
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\item
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\item mass eigenstates $\neq$ flavour eigenstates, mass squared diff
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\item mass eigenstates $\neq$ flavour eigenstates, mass squared diff
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}
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}
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%%
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%%
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\begin{frame}
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\begin{frame}
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\frametitle{Neutrino Oscillations in Matter}
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\frametitle{Neutrino Mass Hierarchy}
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\begin{figure}
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\includegraphics[width=\textwidth]{images/neutrino-mass-hierarchies.png}
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\end{figure}
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\end{frame}
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\end{frame}
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\note[itemize]
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\note[itemize]
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{
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{
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\item $\sigma(\nu N) \approx 2\sigma(\bar{\nu} N)$
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\item $\sigma(\nu N) \approx 2\sigma(\bar{\nu} N)$
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}
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}
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%%
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\begin{frame}
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\includegraphics[width=\textwidth]{images/km3net-orca-significance-nmh.jpg}
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\end{frame}
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%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%
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%% ARCA
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%% ARCA
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\frametitle{IceCube and Expected Signal}
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\frametitle{IceCube and Expected Signal}
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\begin{itemize}
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\begin{itemize}
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\item Signals from 10 TeV to above 1 PeV
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\item Signals from 10 TeV to above 1 PeV
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\item 54 events with reconstructed energy above 30TeV (2016)
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\item 54 events with reconstructed energy above 30TeV (2016, IceCube)
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\end{itemize}
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\end{itemize}
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\pause
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\pause
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\begin{figure}
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\begin{figure}
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