Review Article
Present Status and Future Perspectives of the NEXT Experiment
Table 1
Experimental parameters of the three xenon-based double beta decay experiments: (a) total mass of 136Xe, ; (b) isotope enrichment fraction , meaning the fraction of the mass enriched in the relevant isotope for ; (c) total efficiency, , defined as the percentage of the total mass actually used as source times the signal detection efficiency, which depends on the fraction of signal that escapes detection; (d) energy resolution, , at the value of 136Xe; and (e) background rate, , in the region of interest around expressed in counts/(keV·kg·y) (shortened as ckky) [28].
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