Experiment | Isotope | T1/20vββ (y) | mββ (eV) |
---|---|---|---|
GERDA [57] | 76Ge | > 2.1 · 1025 | < (0.2 – 0.4) |
NEMO-3 [58] | 100Mo | > 1.1 · 1024 | < (0.3 – 0.8) |
CUORICINO [59] | 130Te | > 2.8 · 1024 | < (0.30 – 0.71) |
EXO-200 [60] | 136Xe | > 1.1 · 1025 | < (0.19 – 0.45) |
KamLAND-Zen [61] | 136Xe | > 1.9 · 1025 | < (0.12 – 0.25) * |