Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 101: Niederenergie-Neutrinophysik 3

T 101.1: Group Report

Tuesday, March 5, 2013, 16:45–17:05, WIL-A317

The LENA neutrino observatory — •Dominikus Hellgartner, Simon Appel, German Beischler, Jill Kaindl, Timo Lewke, Quirin Meindl, Randolph Möllenberg, Lothar Oberauer, Patrick Pfahler, Ludwig Prade, Tobias Stempfle, Marc Tippmann, Jürgen Winter, and Vincenz Zimmer — for the LAGUNA-LENA working group — Technische Universität München, Physik Department E15, James Franck Straße, 85748 Garching

LENA (Low Energy Neutrino Astronomy) is a future 50 kt liquid scintillator detector. The project is currently in its design phase and is part of the European LAGUNA-LBNO design study.

Due to its low energy threshold, high energy resolution and good background discrimination capabilities, LENA features a very rich physics program for neutrinos with energies below 50 MeV. The high target mass will allow to study geoneutrinos and solar neutrinos with unreached statistics. Furthermore, in case of a supernova in our Galaxy, LENA will provide an energy, time and flavor resolved analysis of the neutrino pulse. It is also sensitive to the diffuse supernova neutrino background.

Additionally, LENA is big enough to study GeV neutrinos like atmospheric neutrinos or neutrinos from a long distance beam. Due to its large mass, LENA can also search for the proton decay.

This work was supported by the Maier-Leibniz-Laboratorium and by the DFG cluster of excellence ’Origin and Structure of the Universe’.