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T: Fachverband Teilchenphysik

T 82: Neutrino physics 9

T 82.5: Vortrag

Donnerstag, 7. März 2024, 17:00–17:15, Geb. 20.30: 2.058

EoS: A Pathfinder Experiment for Low Energy Neutrino Physics with the Hybrid Detector THEIA — •Hans Theodor Josef Steiger — Physik-Department, Technische Universität München, James-Franck-Str. 1, 85748 Garching, Germany — Johannes Gutenberg University Mainz, Cluster of Excellence PRISMA+, Staudingerweg 9, 55128 Mainz, Germany

Future ktonne-scale, scintillation-based neutrino detectors, such as THEIA, plan to exploit new and yet to be developed technologies to simultaneously measure Cherenkov and scintillation signals in order to provide a rich and broad physics program. These hybrid detectors will be based on fast timing photodetectors, novel target materials, such as water-based liquid scintillator (WbLS), and spectral sorting. Besides a brief overview on THEIA*s program for low energy astroparticle and particle physics this talk focuses on a currently realized demonstrator experiment, called EOS. This novel detector with an approximately 4-tonne target fiducial volume is under construction at the UC Berkeley and LBNL (Lawrence Berkeley National Laboratory). The detector will provide a test bed for these emerging technologies required for hybrid Cherenkov/Scintillation detectors. Furthermore, EOS will deploy calibration sources to verify the optical models of WbLS and other liquid scintillators with slow light emission, to enable an extrapolation to ktonne-scale detectors. After achieving these goals, EOS can be moved near a nuclear reactor or in a particle test-beam to demonstrate neutrino event reconstruction or detailed event characterization within these novel detectors.

Keywords: EoS Detector; Novel Scintillation Media (WbLS); Scintillation/Cherenkov Separation; Future Neutrino Detectors; THEIA