First Background Results from LEGEND-200
ORAL
Abstract
The Large Enriched Germanium Experiment for Neutrinoless double-beta Decay (LEGEND) is designed to search for neutrinoless double-beta decay (0νββ) in the 76Ge isotope. The first phase, LEGEND-200, aims for a discovery sensitivity at a half life of 1027 years and requires a reduction of backgrounds by a factor of 2.5 with respect to previous experiments. The performance of LEGEND-200 is critical for the design and development of the subsequent phase, LEGEND-1000. LEGEND-200 has currently been operating with 101 detectors (142 kg) installed into the array, with low-background data-taking having started in early 2023. In this talk we will cover the performance of background rejection techniques and will present results from the first months of LEGEND-200 data-taking.
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Presenters
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Erin Engelhardt
Authors
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Erin Engelhardt