First Results on the Search for Lepton Number Violating Neutrinoless Double Beta Decay with the LEGEND-200 Experiment

H. Acharya, N. Ackermann, M. Agostini +256

The LEGEND collaboration is searching for neutrinoless double beta ($0\nu \beta \beta$) decay by operating high-purity germanium detectors enriched in ${}^{76}$Ge in a low-background liquid argo…