Input interpretation
Au-172 (gold-172)
Decay properties
half-life | 6.3 ms (milliseconds) (3.9 to 8.7 ms) mean lifetime | 9.1 ms (milliseconds) (6 to 13 ms) decay constant | 110 per second specific activity | 3.9×10^11 TBq/g (terabecquerels per gram) width | 5×10^-14 eV (electronvolts) decay modes | α (alpha emission) | p (proton emission) final decay products | Dy-163 (2%) | Tb-159 (0.1%) | Eu-151 (0.03%) | Nd-143 (0.01%) | Gd-155 (0.006%) | Ce-140 (0%) | Dy-156 (0%) | Dy-160 (0%) | Er-167 (0%) | Gd-156 (0%) | Sm-144 (0%) | Sm-152 (0%) | Yb-171 (0%)
Decay modes
decay mode | α (alpha emission) branching ratio | 98% Q-value | 7.0338 MeV (megaelectronvolts) daughter nuclide | Ir-168 decay mode | p (proton emission) branching ratio | 2% Q-value | 899 keV (kiloelectronvolts) daughter nuclide | Pt-171
Decay chain
Decay chain
Mass properties
atomic number (Z) | 79 mass number (A) | 172 neutron number | 93 atomic mass | 171.990035 u (unified atomic mass units) mass excess | -9.282 MeV (megaelectronvolts) binding energy per nucleon | 7.766 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes