diff --git a/presentation/images/charged_current.pdf b/presentation/images/charged_current.pdf new file mode 100755 index 0000000..c8c6ac4 Binary files /dev/null and b/presentation/images/charged_current.pdf differ diff --git a/presentation/images/neutral_current.pdf b/presentation/images/neutral_current.pdf new file mode 100755 index 0000000..af458fa Binary files /dev/null and b/presentation/images/neutral_current.pdf differ diff --git a/presentation/images/neutrino_sources.png b/presentation/images/neutrino_sources.png new file mode 100644 index 0000000..257d121 Binary files /dev/null and b/presentation/images/neutrino_sources.png differ diff --git a/presentation/images/prinicipal_idea_neutrino_telescope.png b/presentation/images/prinicipal_idea_neutrino_telescope.png new file mode 100755 index 0000000..077efeb Binary files /dev/null and b/presentation/images/prinicipal_idea_neutrino_telescope.png differ diff --git a/presentation/seminar.tex b/presentation/seminar.tex index b5abae0..31eea9c 100644 --- a/presentation/seminar.tex +++ b/presentation/seminar.tex @@ -8,7 +8,7 @@ \hspace{1em}% \insertframenumber } -\title{Multi-messenger observations of a flaring Blazar} +\title{{\small Neutrino} \\ Multi-Messenger Astrophysics \\ on a Blazar} \date{\today} \author{E.T. de Boone} @@ -24,71 +24,124 @@ \end{frame} + \begin{frame} \frametitle{Multi-Messenger Astrophysics} \begin{table} \centering \begin{tabular}{r|c|c|c|c|c} - & EM & CR & GW & $\nu$ & year \\ + \textbf{Event} & \textbf{EM} & \textbf{CR} & \textbf{GW} & \textbf{$\nu$} & \textbf{Date} \\ \hline Solar Flare & yes & yes & & & 1940 \\ \hline + \onslide<2-> Supernova & yes & & pred & yes & 1987 \\ \hline + \onslide<3-> NS merger & yes & & yes & pred & aug 2017 \\ \hline - Blazar & yes & & & yes & sep 2017 \\ + \onslide<4-> + Blazar & yes & pred & & yes & sep 2017 \\ \end{tabular} \end{table} \end{frame} \note{ + Optical very old, + new fields in last hundred years + Importance and History of Multi Messenger Astrophysics + + Solar Flare in 1940 + + SN1987A in Large Magellanic Cloud in 1987 + - 25 neutrinos at 3 observatories + - confirmed model core-collapse ( neutrinos carry 99\% Energy ) + - Nobel Prize 2002 + + NS merger + - big in the news + + + Blazar + - not so big in the news + - what we will talk about } - -\section{Instruments and Observations} -\subsection{Neutrinos} +\section{Neutrino Basics} \begin{frame} - \frametitle{Basics} + \frametitle{Neutrino Basics} \begin{itemize} \item Neutrino interacts in atmosphere, ice or water - \item<2-> Charged particle gets into the ice or water and emit Cherenkov photons - \item<3-> Cherenkov photons detected by DOMs in the matter + \item<3-> Charged particle gets into the ice or water + \item<4-> Cherenkov photons detected by DOMs in the matter \end{itemize} + \onslide<1-2> + \begin{figure} + \centering + \onslide<1-2> + \includegraphics[width=0.4\textwidth]{images/charged_current.pdf} + \quad\quad + \onslide<2> + \includegraphics[width=0.4\textwidth]{images/neutral_current.pdf} + \end{figure} + \onslide<4-> + \begin{figure} + \vspace*{-3cm} + \centering + \includegraphics[width=0.5\textwidth]{images/prinicipal_idea_neutrino_telescope.png} + \end{figure} \end{frame} \note{ - Observatories: IceCube, ANTARES, KM3NET Interactions Charged Current vs Neutral Current + NC: energy deposition into electron, + neutrino flies off + + CC: nu_mu on e goes to nu_e with mu + + Cherenkov Digital-Optical Modules +} + +\begin{frame} + \frametitle{Astrophysical vs Atmospheric Neutrino} + \begin{figure} + \centering + \includegraphics[width=0.9\textwidth]{images/neutrino_sources.png} + %{\tiny \href{https://doi.org/10.1140/epjh/e2012-30014-2}{10.1140/epjh/e2012-30014-2}} + \end{figure} +\end{frame} +\note{ + Distinction Atmospheric vs Astrophysical + + Observatories: + ranges: IceCube, ANTARES, KM3NET Types of events - Tracklike vs Showerlike + Tracklike vs Showerlike + through-going muons } + + + +\section{IceCube-170922A} \begin{frame} - \frametitle{event IC-170922A} - \begin{columns}[t] - \begin{column}{0.6\textwidth} - \begin{itemize} - \item Muon detected - \item Energy deposited $~23.7$ TeV - \end{itemize} - \begin{itemize} - \item Muon neutrino - \item Energy $~290$ TeV - \item Spatial Resolution $< 1^\circ$ - \item - \end{itemize} - \end{column} - \begin{column}{0.3\textwidth} - \begin{figure} - \includegraphics[width=\textwidth]{images/IC-170922A-event_display.png} - \end{figure} - \end{column} - \end{columns} + \frametitle{IceCube-170922A} + \begin{figure} + \includegraphics[width=\textwidth]{images/IC-170922A-event_display.png} + \end{figure} + \pause + + \begin{itemize} + \item Muon detected + \item Energy deposited $~23.7$ TeV + \item Muon neutrino + \item Energy $0.3$ PeV + \item Spatial Resolution $< 1^\circ$ + \end{itemize} \end{frame} \note{ Muon detection @@ -107,42 +160,28 @@ } - -\subsection{Gamma Rays} \begin{frame} - \frametitle{Instruments} + \frametitle{Blazar TXS 0506+056} + \begin{figure} + \centering + \includegraphics[width=0.45\textwidth]{images/IC-170922A-positioning-FermiLAT.png} + \includegraphics[width=0.45\textwidth]{images/IC-170922A-positioning-MAGIC.png} + \end{figure} \begin{itemize} - \item FermiLAT - \item AGILE + \item $\gamma$-ray blazar TXS 0506+056 within $0.1^\circ$ of IC event \end{itemize} \end{frame} \note{ - FermiLAT on Fermi satellite + Space based observatories + - all-sky survey + - - AGILE - - italian spacecraft -} - -\begin{frame} - \frametitle{Observations} - \begin{columns}[t] - \begin{column}{0.7\textwidth} - \begin{itemize} - \item $\gamma$-ray blazar TXS 0506+056 - \end{itemize} - \end{column} - \begin{column}{0.3\textwidth} - \begin{figure} - \centering - \includegraphics[width=\textwidth]{images/IC-170922A-positioning-FermiLAT.png} - \end{figure} - \end{column} - \end{columns} -\end{frame} -\note{ position 0.1 grad from best-fitting direction what is blazar + - AGN + - has jet + - jet pointed at us study triggered redshift measurement @@ -152,16 +191,89 @@ -> usual, only studied because of neutrino } -\subsection{Very High Energy Gamma Rays} \begin{frame} - \frametitle{Instruments} + \frametitle{VHE Gamma Ray} \begin{itemize} \item Imaging Atmospheric Cherenkov Telescope \item Water Cherenkov Telescope \end{itemize} \end{frame} +\begin{frame} + \frametitle{Further Observations} + \begin{figure} + \centering + \includegraphics[width=1\textwidth]{images/TXS0506+056-observations.png} + \end{figure} +\end{frame} +\note{ + also x-ray upto radio + introduce experiments (VHE, gamma, x-ray, optical, radio) + dates: + left panel: 22 Aug 2008 to 6 Sept 2017 + right panel: 6 Sept 2017 to 22 Sept 2017 + +} + + +\begin{frame} + \frametitle{Broadband Spectrum of TXS 0506+056} + \begin{figure} + \centering + \includegraphics[width=1\textwidth]{images/TXS0506+056-broadband-spectrum-distribution.png} + \end{figure} +\end{frame} +\note{ + observations within 14 days of IC-170922A + + UL is upper limit + + double bump structure + - characteristic of non-thermal emission + + redshift measurement from optical data + +} + + + +\begin{frame} + \frametitle{Chance Coincidence and Archival Data} + + \begin{itemize} + \item $3\sigma$ non-random coincidence + \pause + \item neutrino in 2014 for TXS 0506+056 + \end{itemize} + +\end{frame} +\note{ + IC-170922A not enough for science + - neutrino production models + - neutrino to gamma + + real-time alert system since Apr 2016 + + 41 archival events also tested + + neutrino 2014 + - identification for Blazar + - lower energy +} + + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\begin{frame} + \frametitle{Recap} + \begin{itemize} + \item Neutrino Astronomy is quite difficult + \pause + \item First Neutrino-induced Multi Messenger event + \pause + \item Blazar TXS 0506+056 identified as source for neutrino's + \end{itemize} +\end{frame} \end{document}