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Sensitivity and discovery potential of the proposed nEXO experiment to neutrinoless double beta decay

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arxiv 1710.05075 v2 pith:VY2OFHD6 submitted 2017-10-13 nucl-ex physics.ins-det

nEXO Collaboration: J.B. Albert , G. Anton , I.J. Arnquist , I. Badhrees , P.S. Barbeau , D. Beck , V. Belov , F. Bourque
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This is my paper · ORCID
classification nucl-exphysics.ins-det
keywords betasensitivitychamberdecaydoubleenrichedexperimentneutrinoless
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The next-generation Enriched Xenon Observatory (nEXO) is a proposed experiment to search for neutrinoless double beta ($0\nu\beta\beta$) decay in $^{136}$Xe with a target half-life sensitivity of approximately $10^{28}$ years using $5\times10^3$ kg of isotopically enriched liquid-xenon in a time projection chamber. This improvement of two orders of magnitude in sensitivity over current limits is obtained by a significant increase of the $^{136}$Xe mass, the monolithic and homogeneous configuration of the active medium, and the multi-parameter measurements of the interactions enabled by the time projection chamber. The detector concept and anticipated performance are presented based upon demonstrated realizable background rates.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Performance of FBK VUV-HD3 and HPK VUV4 SiPMs in the Light-only Liquid Xenon (LoLX) Detector

    physics.ins-det 2025-10 unverdicted novelty 5.0 of 10

    In-situ comparison in liquid xenon finds HPK VUV4 SiPMs detect 33–38% less scintillation light than FBK VUV-HD3 SiPMs, attributed to surface shadowing at oblique photon incidence.

  2. Titanium for rare-event searches: Hydrofluoric acid-free etching

    physics.ins-det 2025-08 conditional novelty 4.0 of 10

    Titanium can be etched with 40% sulfuric acid at 40°C, removing about 3.7 µm of surface material and eliminating visible surface contaminants, offering an HF-free preparation route for rare-event detector materials.

  3. Neutrinoless double beta decay rates and the $3 + 2$ scenario

    hep-ph 2025-05 conditional novelty 2.0 of 10

    A proceedings review of the author's prior EFT calculation of neutrinoless double beta decay and of a two-sterile-neutrino model, containing no new derivation.

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