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Projected sensitivity of the LUX-ZEPLIN experiment to the 0νββ decay of 136Xe

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Original languageEnglish
Article number014602
Number of pages13
JournalPhysical Review C
Issue number1
Publication statusPublished - 6 Jul 2020


The LUX-ZEPLIN (LZ) experiment will enable a neutrinoless double beta decay search in parallel to the main science goal of discovering dark matter particle interactions. We report the expected LZ sensitivity to 136Xe neutrinoless double beta decay, taking advantage of the signicant (>600 kg) 136Xe mass contained within the active volume of LZ without isotopic enrichment. After 1000 live-days, the median exclusion sensitivity to the half-life of 136Xe is projected to be 1.061026 years (90% condence level), similar to existing constraints. We also report the expected sensitivity of a possible subsequent dedicated exposure using 90% enrichment with 136Xe at 1.06x1027 years.

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  • nucl-ex

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