Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session C12: Minisymposium: Low Energy Neutrinos I: Neutrinoless Double-Beta Decay I
7:00 PM–10:00 PM,
Tuesday, November 28, 2023
Hilton Waikoloa Village
Room: Kona 5
Chair: Vincente Guiseppe, Oak Ridge National Lab
Abstract: C12.00006 : Acquiring First Data with LEGEND-200*
8:30 PM–8:45 PM
Presenter:
Brady Bos
(University of North Carolina at Chapel Hill)
Author:
Brady Bos
(University of North Carolina at Chapel Hill)
Collaboration:
LEGEND
The Large Enriched Germanium Experiment for Neutrinoless double-beta Decay (LEGEND) is searching for neutrinoless double-beta decay (0νββ) using high purity 76Ge detectors. With 101 detectors (142 kg) installed, LEGEND-200 is operating and has been taking low-background data since early 2023. LEGEND-200 aims for a discovery sensitivity at a half life of 1027 years and represents an increase in 76Ge material by a factor of ∼6 with respect to the previous generation of Ge experiments. The performance of LEGEND-200 is critical for the design and development of the subsequent tonne-scale phase, LEGEND-1000. The installation, commissioning and initial operation of the LEGEND-200 array will be the primary focus of this talk. Details about the experimental setup and the data acquired up to this point will be discussed as well.
*This work is supported by the U.S. DOE and the NSF, the LANL, ORNL and LBNL LDRD programs; the European ERC and Horizon programs; the German DFG, BMBF, and MPG; the Italian INFN; the Polish NCN and MNiSW; the Czech MEYS; the Slovak SRDA; the Swiss SNF; the UK STFC; the Russian RFBR; the Canadian NSERC and CFI; the LNGS, SNOLAB, and SURF facilities.
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