Constraints on Heavy Neutrino and SUSY Parameters Derived from the Study of Neutrinoless Double Beta Decay

Table 4

Upper limits for Majorana neutrino mass parameters together with the other components of the 0𝜈𝛽𝛽 decay halftimes: the experimental lifetimes lower limits, the phase space factors, and the nuclear matrix elements.

	𝑇^0𝜈exp [yr]	𝐺^0𝜈 [yr^−1]	𝑀𝑁^0𝜈	𝑀𝜆^0𝜈′	𝑀𝑞^0𝜈	⟨𝜂𝑁⟩	⟨𝜂𝜆′⟩	⟨𝜂𝑞⟩
^48Ca*	5.8⋅10^22 [48]	2.46𝐸−14	70.3	548.2	70	2.42⋅10^−7	3.10⋅10^−8	2.42⋅10^−7
^48Ca^†	5.8⋅10^22 [48]	2.46𝐸−14	82.8	641.7	78.6	2.05⋅10^−7	2.64⋅10^−8	2.16⋅10^−7
^76Ge	2.1⋅10^25 [49]	2.37𝐸−15	199.2	1509.4	296.8	0.14⋅10^−7	0.19⋅10^−8	0.10⋅10^−7
^82Se	3.6⋅10^23 [50]	1.01𝐸−14	184.5	1393.5	268.1	0.58⋅10^−7	0.76⋅10^−8	0.40⋅10^−7

∗Denotes GXPF1A [51] effective interaction and ^†KB3G [52] effective interaction.