Neutrino Properties on the Basis of Neutrinoless
0νββLMN 0+g.s.→ 0+g.s 2νββ 0+g.s.→ 0+g.s Feynman diagrams at the quark level for: two-neutrino double beta decay (allowed in SM) neutrinoless double beta decay LNM- light Majorana neutrino mechanism (beyond SM) (A,Z) -> (A,Z+2) + 2 e- + {2ν} 46Ca, 48Ca, 70Zn, 76Ge, 80Se, 82Se, 86Kr, 94Zr, 96Zr, 98Mo, 100Mo, 104Ru, 110Pd, 114Cd, 116Cd, 122Sn, 124Sn, 128Te, 130Te, 134Xe, 136Xe, 142Ce, 146Nd, 148Nd, 150Nd, 154Sm, 160Gd, 170Er, 176Yb, 186W, 192Os, 198Pt, 204Hg, 216Po, 220Rn, 222Rn, 226Ra, 232Th, 238U, 244Pu, 248Cm, 254Cf, 256Cf, 260Fm The following known nuclides with A ≤ 260 are theoretically capable of double beta decay, where the red color is the isotopes in which the double beta rate has been measured experimentally, and the black color has yet to be measured experimentally: The following known nuclides with A ≤ 260 are theoretically capable of double electron capture, where the red color is the isotopes for which the double electron capture rate has been measured, and the black color has not yet been measured experimentally: 36Ar, 40Ca, 50Cr, 54Fe, 58Ni, 64Zn, 74Se, 78Kr, 84Sr, 92Mo, 96Ru, 102Pd, 106Cd, 108Cd, 112Sn, 120Te, 124Xe, 126Xe, 130Ba, 132Ba, 136Ce, 138Ce, 144Sm, 148Gd, 150Gd, 152Gd, 154Dy, 156Dy, 158Dy, 162Er, 164Er, 168Yb, 174Hf, 180W, 184Os, 190Pt, 196Hg, 212Rn, 214Rn, 218Ra, 224Th, 230U, 236Pu, 242Cm, 252Fm, 258No NDBDecayers ECEC