Sensitivity and discovery potential of the proposed nEXO experiment to neutrinoless double- decay
Physical Review C, 2018•APS
The next-generation Enriched Xenon Observatory (nEXO) is a proposed experiment to
search for neutrinoless double-β (0 ν β β) decay in Xe 136 with a target half-life sensitivity of
approximately 10 28 yr using 5× 10 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 Xe 136 mass, the monolithic and
homogeneous configuration of the active medium, and the multiparameter measurements of …
search for neutrinoless double-β (0 ν β β) decay in Xe 136 with a target half-life sensitivity of
approximately 10 28 yr using 5× 10 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 Xe 136 mass, the monolithic and
homogeneous configuration of the active medium, and the multiparameter measurements of …
The next-generation Enriched Xenon Observatory (nEXO) is a proposed experiment to search for neutrinoless double- () decay in with a target half-life sensitivity of approximately yr using 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 mass, the monolithic and homogeneous configuration of the active medium, and the multiparameter 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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