decay modes of Bi-197 vs Tl-179

Bi-197 Tl-179 | decay modes

Bi-197 | β^+ (positron emission) | α (alpha emission) Tl-179 | α (alpha emission) | β^+ (positron emission)

| Bi-197 | Tl-179 half-life | 9.33 min (8.65 to 9.95 min) | 420 ms (310 to 530 ms) mean lifetime | 13.5 min (12.6 to 14.2 min) | 606 ms (410 to 800 ms) decay constant | 0.00123 per second | 1.65 per second specific activity | 3.77×10^6 TBq/g | 5.55×10^9 TBq/g width | 8.2×10^-19 eV | 7.53×10^-16 eV decay modes | β^+ (positron emission) | α (alpha emission) | α (alpha emission) | β^+ (positron emission) final decay products | Au-197 (100%) | Ir-193 (1×10^-4%) | Os-189 (1×10^-11%) | Hf-179 (11%) | Yb-171 (10%) | Lu-175 (3.1%) | Er-167 (0.2%) | Hf-178 (0.04%) | Yb-170 (0.003%) | Dy-163 (7×10^-5%) | Er-166 (8×10^-9%) | Tb-159 (7×10^-11%) | Eu-151 (0%) | Gd-155 (0%) | Nd-143 (0%) | Yb-174 (0%)

decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 4.0389 MeV (megaelectronvolts) daughter nuclide | Pb-197 decay mode | α (alpha emission) branching ratio | 1×10^-4% Q-value | 5.206 MeV (megaelectronvolts) daughter nuclide | Tl-193

decay mode | α (alpha emission) branching ratio | 70% Q-value | 6.71767 MeV (megaelectronvolts) daughter nuclide | Au-175 decay mode | β^+ (positron emission) branching ratio | 30% Q-value | 7.599 MeV (megaelectronvolts) daughter nuclide | Hg-179