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Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
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arxiv 2410.19016 v2 pith:L3M3FHAA submitted 2024-10-23 physics.ins-det hep-exnucl-ex
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abstract
The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter space down to the so-called neutrino fog. In this work we show that, based on the performance of currently operating detectors using the same technology and a realistic reduction of radioactivity in detector materials, such an experiment will also be able to competitively search for neutrinoless double beta decay in $^{136}$Xe using a natural-abundance xenon target. XLZD can reach a 3$\sigma$ discovery potential half-life of 5.7$\times$10$^{27}$ yr (and a 90% CL exclusion of 1.3$\times$10$^{28}$ yr) with 10 years of data taking, corresponding to a Majorana mass range of 7.3-31.3 meV (4.8-20.5 meV). XLZD will thus exclude the inverted neutrino mass ordering parameter space and will start to probe the normal ordering region for most of the nuclear matrix elements commonly considered by the community.
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Cited by 3 Pith papers
Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record
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HydroX, a light dark matter search with hydrogen-doped liquid xenon time projection chambers
hep-ex 2025-05 conditional novelty 7.0 of 10
HydroX, a proposed hydrogen-doped liquid xenon TPC, projects sensitivity to sub-GeV dark matter through enhanced proton-recoil signals in a large xenon detector.
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Sensitivity of neutrinoless double beta decays from a combined analysis of ground and excited states
hep-ph 2025-08 unverdicted novelty 5.0 of 10
Combined analysis of 0νββ decays to ground and excited states can significantly enhance experimental sensitivity depending on NME predictions.
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Community Report from the 2025 SNOLAB Future Projects Workshop
hep-ex 2025-07 unverdicted novelty 1.0 of 10
A community report summarizes proposed future experiments and infrastructure needs for SNOLAB over the next 15 years.
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