Input interpretation
Tb-157 | decay modes
Result
ϵ (electron capture)
Decay properties
half-life | 70 years (63.1 to 79.4 yr) mean lifetime | 100 years (88 to 114 yr) decay constant | 3.1×10^-10 per second specific activity | 1.2 TBq/g (terabecquerels per gram) width | 2×10^-25 eV (electronvolts) decay modes | ϵ (electron capture) final decay products | Gd-157 (100%)
Decay mode
decay mode | ϵ (electron capture) Q-value | 60.052 keV (kiloelectronvolts) daughter nuclide | Gd-157