Neutrinoless Double β⁺/EC Decays

Table 1

Auxiliary factors of (36) computed for the nuclei under discussion by using 𝑔_𝐴 = 1.00−1.25 and the UCOM short-range correlations. The results for 92Mo and 136Ce are taken from [30] with 𝑔_𝐴=1.261.

Nucleus	State	𝐶^𝛽+𝛽+	𝐶^𝛽+EC
78Kr	0^+gs	(9.4−16) × 10^26	(3.9−6.5) × 10^26
	0^+1	—	(1.7−4.8) × 10^31
92Mo	0^+gs	—	6.7×10^29
96Ru	0^+gs	(5.9−6.7) × 10^27	(5.0−5.7) × 10^26
	0^+1	—	(1.0−7.6) × 10^28
	0^+2	—	(3.4−7.3) × 10^29
106Cd	0^+gs	(1.9−2.2) × 10^27	(1.3−1.5) × 10^26
	0^+1	—	(9.8−12.2) × 10^28
124Xe	0^+gs	(2.1−6.9) × 10^27	(1.1−3.7) × 10^26
	0^+1	—	>5.3 × 10^31
130Ba	0^+gs	(5.3−15.9) × 10^27	(5.6−16.9) × 10^25
	0^+1	—	—
136Ce	0^+gs	2.7×10^29	4.0×10^26