ground state weak alpha-decay rates have been calculated from the decay half-life (tau in sec.) rate = ln(2)/tau All decay rates were calcualated from laboratory half-lives as given in Nuclear Wallet Cards (jan 2000) *** How to read this table. *** For each isotope (Z,A), we provide the alpha-decay rate (ad) OUT OF the isotope. example: sb107(ad) is the alpha-decay rate sb107(ad)In103 The isotope listed is the PARENT species for the decay. Where branching ratios for different modes of decay (b-, b+ec, and alpha-decay only) are known they are included in the calculation of the decay rate. Z A alpha-decay (s^-1) sb 107 1.51E-01 gs ad te 106 1.16E+04 gs ad te 107 1.57E+02 gs ad te 108 1.62E-01 gs ad te 109 5.88E-03 gs ad te 110 1.12E-06 gs ad i 108 1.75E+01 gs ad i 110 1.81E-01 gs ad i 111 2.77E-04 gs ad i 112 2.43E-06 gs ad i 113 3.47E-10 gs ad xe 110 3.47E+00 gs ad xe 111 9.37E-01 gs ad xe 112 2.16E-03 gs ad xe 113 2.53E-05 gs ad cs 112 1.39E+03 gs ad ba 114 1.61E+00 gs ad nd 144 9.60E-24 gs ad pm 145 3.73E-18 gs ad sm 146 2.13E-16 gs ad sm 147 2.07E-19 gs ad sm 148 3.14E-24 gs ad eu 147 7.32E-12 gs ad eu 148 1.38E-15 gs ad gd 148 2.95E-10 gs ad gd 149 3.72E-12 gs ad gd 150 1.23E-14 gs ad gd 151 5.18E-16 gs ad gd 152 2.04E-22 gs ad tb 149 7.81E-06 gs ad tb 151 1.04E-09 gs ad dy 150 5.80E-04 gs ad dy 151 3.61E-05 gs ad dy 152 8.09E-08 gs ad dy 153 2.83E-09 gs ad dy 154 7.33E-15 gs ad ho 151 4.33E-03 gs ad ho 152 5.14E-04 gs ad ho 153 2.87E-06 gs ad ho 154 1.96E-07 gs ad er 152 6.06E-02 gs ad er 153 9.90E-03 gs ad er 154 1.46E-05 gs ad er 155 4.36E-07 gs ad er 156 2.96E-11 gs ad tm 153 4.26E-01 gs ad tm 154 4.62E-02 gs ad tm 155 6.10E-04 gs ad tm 156 4.96E-06 gs ad yb 153 8.25E-02 gs ad yb 154 1.57E+00 gs ad yb 155 3.43E-01 gs ad yb 156 2.66E-03 gs ad yb 157 8.98E-05 gs ad yb 158 1.63E-07 gs ad lu 153 5.39E-01 gs ad lu 155 7.82E+00 gs ad lu 158 5.95E-04 gs ad lu 159 2.29E-05 gs ad hf 155 7.79E-01 gs ad hf 156 3.01E+01 gs ad hf 157 5.18E+00 gs ad hf 158 1.07E-01 gs ad hf 159 5.47E-02 gs ad hf 160 3.57E-04 gs ad hf 161 3.71E-04 gs ad hf 162 1.41E-06 gs ad hf 174 1.10E-23 gs ad ta 157 6.63E+01 gs ad ta 158 9.63E+00 gs ad ta 159 1.02E+00 gs ad ta 160 1.52E-01 gs ad ta 161 7.07E-03 gs ad ta 162 1.36E-04 gs ad ta 163 1.31E-04 gs ad w 158 7.70E+02 gs ad w 159 7.78E+01 gs ad w 160 6.63E+00 gs ad w 161 1.24E+00 gs ad w 162 2.30E-01 gs ad w 163 3.22E-02 gs ad w 164 3.00E-03 gs ad w 166 1.47E-05 gs ad w 167 1.39E-05 gs ad w 168 4.19E-07 gs ad re 160 7.90E+01 gs ad re 162 6.09E+00 gs ad re 163 5.69E-01 gs ad re 164 1.06E+00 gs ad re 165 6.93E-01 gs ad re 166 2.48E-01 gs ad re 167 1.17E-03 gs ad re 168 7.88E-06 gs ad re 169 8.56E-08 gs ad os 162 4.08E+02 gs ad os 163 1.26E+02 gs ad os 164 2.52E+01 gs ad os 166 2.27E+00 gs ad os 167 4.88E-01 gs ad os 168 1.32E-01 gs ad os 169 2.12E-02 gs ad os 170 1.14E-02 gs ad os 171 1.50E-03 gs ad os 172 3.97E-04 gs ad os 173 1.24E-04 gs ad os 174 3.15E-06 gs ad os 186 1.10E-23 gs ad ir 166 6.15E+01 gs ad ir 167 9.45E+00 gs ad ir 168 3.53E+03 gs ad ir 169 5.78E+02 gs ad ir 170 5.26E-01 gs ad ir 171 2.75E-01 gs ad ir 172 3.15E-03 gs ad ir 173 2.02E-02 gs ad ir 174 4.39E-04 gs ad ir 175 6.55E-04 gs ad ir 176 2.59E-03 gs ad ir 177 1.39E-05 gs ad pt 166 2.31E+03 gs ad pt 167 9.90E+02 gs ad pt 170 4.92E+01 gs ad pt 171 2.00E+01 gs ad pt 172 6.79E+00 gs ad pt 173 1.53E+00 gs ad pt 174 5.93E-01 gs ad pt 175 1.62E-01 gs ad pt 176 4.35E-02 gs ad pt 177 3.53E-03 gs ad pt 178 2.53E-03 gs ad pt 179 7.85E-05 gs ad pt 180 4.00E-05 gs ad pt 181 1.07E-05 gs ad pt 182 1.54E-06 gs ad pt 183 2.31E-08 gs ad pt 184 6.68E-09 gs ad pt 185 1.63E-04 gs ad pt 186 1.30E-10 gs ad pt 188 2.04E-13 gs ad pt 190 3.38E-20 gs ad au 173 3.26E+01 gs ad au 175 3.52E+00 gs ad au 176 6.42E-01 gs ad au 179 4.62E-02 gs ad au 181 1.37E-03 gs ad au 182 5.78E-05 gs ad au 183 8.91E-05 gs ad au 185 7.07E-06 gs ad au 186 8.64E-09 gs ad au 187 4.13E-08 gs ad hg 172 2.77E+03 gs ad hg 173 7.45E+02 gs ad hg 174 3.29E+02 gs ad hg 175 8.66E+01 gs ad hg 176 2.04E+01 gs ad hg 177 5.17E+00 gs ad hg 178 1.69E+00 gs ad hg 179 3.95E-01 gs ad hg 180 1.28E-01 gs ad hg 181 5.97E-02 gs ad hg 182 9.73E-03 gs ad hg 183 1.88E-02 gs ad hg 184 2.49E-04 gs ad hg 185 8.47E-04 gs ad hg 186 1.67E-06 gs ad hg 188 1.32E-09 gs ad tl 177 2.81E+01 gs ad tl 178 1.16E+01 gs ad tl 179 1.61E+00 gs ad tl 180 4.62E-01 gs ad tl 181 2.17E-01 gs ad tl 184 1.32E-03 gs ad tl 186 1.51E-06 gs ad pb 180 1.73E-01 gs ad pb 183 2.17E+00 gs ad pb 186 5.46E-02 gs ad pb 187 4.56E-02 gs ad pb 188 2.69E-03 gs ad pb 189 5.44E-05 gs ad pb 190 8.66E-05 gs ad pb 191 8.69E-07 gs ad pb 192 1.95E-07 gs ad pb 194 7.03E-11 gs ad pb 210 1.87E-17 gs ad bi 185 2.21E+03 gs ad bi 186 4.62E+01 gs ad bi 187 1.15E+01 gs ad bi 188 1.58E+01 gs ad bi 190 7.83E-02 gs ad bi 191 3.38E-02 gs ad bi 192 2.40E-03 gs ad bi 193 3.62E-04 gs ad bi 194 3.36E-05 gs ad bi 195 1.14E-06 gs ad bi 196 2.70E-08 gs ad bi 197 1.24E-09 gs ad bi 203 1.64E-12 gs ad bi 210 2.08E-12 gs ad bi 211 5.38E-03 gs ad bi 212 6.85E-05 gs ad bi 213 5.30E-06 gs ad bi 214 1.16E-07 gs ad po 190 2.74E+02 gs ad po 191 3.15E+01 gs ad po 192 2.08E+01 gs ad po 194 1.77E+00 gs ad po 195 1.12E-01 gs ad po 196 1.17E-01 gs ad po 197 3.63E-03 gs ad po 198 3.52E-03 gs ad po 199 1.89E-04 gs ad po 200 1.18E-04 gs ad po 201 1.21E-05 gs ad po 202 4.96E-06 gs ad po 203 3.46E-07 gs ad po 204 3.60E-07 gs ad po 205 4.64E-08 gs ad po 206 4.97E-08 gs ad po 207 6.64E-09 gs ad po 208 7.58E-09 gs ad po 209 2.14E-10 gs ad po 210 5.80E-08 gs ad po 211 1.34E+00 gs ad po 212 2.32E+06 gs ad po 213 1.90E+05 gs ad po 214 4.22E+03 gs ad po 215 3.89E+02 gs ad po 216 4.78E+00 gs ad po 218 3.73E-03 gs ad at 194 1.73E+01 gs ad at 199 8.66E-02 gs ad at 200 9.19E-03 gs ad at 201 5.53E-03 gs ad at 202 6.78E-04 gs ad at 203 4.84E-04 gs ad at 204 4.77E-05 gs ad at 205 4.41E-05 gs ad at 206 3.36E-06 gs ad at 207 9.20E-06 gs ad at 208 6.50E-07 gs ad at 209 1.46E-06 gs ad at 210 4.28E-08 gs ad at 211 1.12E-05 gs ad at 219 1.20E-02 gs ad at 220 2.49E-04 gs ad