Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 75: Neutrino Physics without Accelerators 6
T 75.1: Gruppenbericht
Mittwoch, 23. März 2022, 16:15–16:35, T-H34
Overview of LEGEND and the Commissioning Status of LEGEND-200 — •Patrick Krause for the LEGEND collaboration — Physik-Department, Technische Universität München, Garching
The discovery that neutrinos are Majorana fermions would have profound implications for particle physics and cosmology. The Majorana character of neutrinos would make neutrinoless double-beta (0νββ) decay, a matter-creating process without the balancing emission of antimatter, possible. The LEGEND Collaboration pursues a phased, 76Ge-based double-beta decay experimental program with discovery potential covering the inverted hierarchy. The first phase, LEGEND-200, will have a discovery potential of 1027 years and a background index of 0.6 cts/(ROI t yr). The second phase, LEGEND-1000, will deploy 1000 kg of enriched germanium and will have a discovery sensitivity beyond 1028 years. This talk will give an overview of LEGEND and will report on the currently ongoing commissioning work in LEGEND-200. This research is supported in part by the BMBF through the Verbundforschung 05A2020, the MPG, the DFG through the Excellence Cluster ORIGINS and the SFB1258, and the through the ERC Advanced Grant 786430 - GemX