Research Article

Constraints on Light Neutrino Parameters Derived from the Study of Neutrinoless Double Beta Decay

Table 2

Majorana neutrino mass parameters together with the other components of the decay halftimes: the values, the experimental lifetime limits, the phase space factors, and the nuclear matrix elements.

[MeV] [yr] [yr−1] [eV]

4.272>5.8 1022 [48] 0.81–0.90<[15.0–16.7]
2.039>2.1 1025 [49] 2.81–6.16<[0.37–0.82]
2.995>3.6 1023 [50] 2.64–4.99<[1.70–3.21]
3.350>9.2 1021 [51] 2.19–5.65<[6.59–17.0]
3.034>1.1 1024 [50] 3.93–6.07<[0.64–0.99]
2.814>1.7 1023 [52] 3.29–4.79<[2.00–2.92]
2.527>2.8 1024 [53] 2.65–5.13<[0.50–0.97]
2.458>1.6 1025 [54] 2.19–4.20<[0.25–0.48]
3.371>1.8 1022 [55] 1.71–3.16<[4.84–8.95]