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T: Fachverband Teilchenphysik
T 14: Detectors 3 (muon detectors)
T 14.7: Vortrag
Montag, 4. März 2024, 17:30–17:45, Geb. 30.23: 3/1
Plans for a neutron tagger for LEGEND-1000 — •Eric Esch for the LEGEND collaboration — University Tuebingen
The Large Enriched Germanium Experiment for Neutrinoless ββ Decay (LEGEND) is a ton-scale experimental program designed to probe the neutrinoless ββ (0νββ) decay of 76Ge with a discovery sensitivity at half-life of more than 1028 years. To reach such a sensitivity, the background goal is less than 10−5 cts/(keV·kg·yr). Previous Monte Carlo studies for the GERDA experiment at LNGS identified the delayed decays of 77Ge and its metastable state 77mGe as dominant cosmogenic background. In addressing the cosmogenic production of radioactive isotopes the potential implementation of a neutron detection system is explored. This neutron tagger will be integrated into the Water-Cherenkov-Veto. The design as well as the effects of Gadolinium on the detection efficiency is optimized using Monte Carlo simulations..
Keywords: LEGEND; Neutrontagger; Myonveto; Ge77; 0vbb