Bulletin of the American Physical Society
2024 APS April Meeting
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session G15: Neutrino Physics
10:45 AM–12:33 PM,
Thursday, April 4, 2024
SAFE Credit Union Convention Center
Room: Ballroom B6-7, Floor 2
Sponsoring
Units:
DNP DPF
Chair: Danielle Schaper, Los Alamos National Laboratory
Abstract: G15.00002 : Status of the LEGEND-200 Experiment*
10:57 AM–11:09 AM
Presenter:
Sam Borden
(University of Washington)
Author:
Sam Borden
(University of Washington)
Collaboration:
LEGEND
Observation of neutrinoless double-beta (0νββ) decay would show that the neutrino mass not only breaks lepton number conservation, but also B-L, the last remaining accidental symmetry of the Standard Model. LEGEND is searching for 0νββ decay in 76Ge using an array of enriched high-purity germanium detectors. In order to reach its target discovery sensitivity, LEGEND uses ultra-low background materials, pulse shape discrimination, and a liquid argon scintillation detector as an active veto. LEGEND-200, the first phase of the LEGEND program, is currently taking data at LNGS. This talk will summarize LEGEND-200 from its construction to its initial performance.
*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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