Input interpretation
Tl-189 | decay modes
Result
β^+ (positron emission)
Decay properties
half-life | 140 seconds (124 to 152 s) mean lifetime | 200 seconds (180 to 218 s) decay constant | 0.005 per second specific activity | 1.6×10^7 TBq/g (terabecquerels per gram) width | 3.3×10^-18 eV (electronvolts) decay modes | β^+ (positron emission) final decay products | Os-189 (100%) | Re-185 (6×10^-5%) | Ta-181 (1.5×10^-9%)
Decay mode
decay mode | β^+ (positron emission) Q-value | 4.0064 MeV (megaelectronvolts) daughter nuclide | Hg-189