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T: Fachverband Teilchenphysik
T 22: Neutrino Physics II
T 22.9: Vortrag
Dienstag, 17. März 2026, 18:15–18:30, AudiMax
Development of a Novel Te-doped Liquid Scintillator with Slow Light Emission for 0νββ-Decay Searches in a Hybrid Neutrino Detector — •Hans Th. J. Steiger1, M. Beretta2, M. Böhles3, A. Garfagnini4, A. Gavrikov4, P. Lombardi2, K. Loo5, E. Pasini4, B. Rasera4, A. Serafini4, K. Walter1, and M. Wurm3 — 1Technical University of Munich, TUM School of Natural Sciences, Garching, Germany — 2INFN, Sezione di Milano e Università degli Studi di Milano, Dipartimento di Fisica, Italy — 3Institute for Physics, Johannes Gutenberg University Mainz, Mainz, Germany Mainz, Germany — 4Dipartimento di Fisica e Astronomia dell' Universita di Padova and INFN Sezione di Padova, Padova, Italy — 5University of Jyväskylä, Department of Physics, Jyväskylä, Finland
It is a long-standing paradigm that organic scintillators allow excellent energy resolution but no directional reconstruction. Here we show the foundation for overcoming this by scintillators with slow light emission, paving the way for hybrid detectors that combine the advantages of Cherenkov and scintillation detectors. In such slow liquid scintillators, it is possible to reconstruct directional and topological information from Cherenkov light, while the high light yield of an organic scintillator ensures excellent energy resolution and low thresholds necessary for many applications in neutrino and particle physics such as the search for the 0νββ decay. We also developed a novel loading technique for these scintillators with 130Te and show studies of fundamental properties of these scintillators and the novel dopant. This work is supported by the Clusters of Excellence PRISMA+ and ORIGINS.
Keywords: Liquid Scintillation Detectors; Hybrid Detectors