Input interpretation
Al-31 Nb-109 | decay modes
Results
Al-31 | β^- (electron emission) | β^-n (electron + delayed neutron) Nb-109 | β^- (electron emission) | β^-n (electron + delayed neutron)
Decay properties
| Al-31 | Nb-109 half-life | 644 ms (618 to 670.1 ms) | 190 ms (159.7 to 220.3 ms) mean lifetime | 929 ms (0.8923 to 0.9659 s) | 274 ms (230.6 to 317.7 ms) decay constant | 1.08 per second | 3.65 per second specific activity | 2.09×10^10 TBq/g | 2.02×10^10 TBq/g width | 7.08×10^-16 eV | 2.4×10^-15 eV decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | P-31 (100%) | Si-30 (1.6%) | Ag-109 (70%) | Pd-108 (31%)
Decay modes
Al-31
decay mode | β^- (electron emission) branching ratio | 98% Q-value | 7.9954 MeV (megaelectronvolts) daughter nuclide | Si-31 decay mode | β^-n (electron + delayed neutron) branching ratio | 1.6% Q-value | 1.408 MeV (megaelectronvolts) daughter nuclide | Si-30
Nb-109
decay mode | β^- (electron emission) branching ratio | 69% Q-value | 9.147 MeV (megaelectronvolts) daughter nuclide | Mo-109 decay mode | β^-n (electron + delayed neutron) branching ratio | 31% Q-value | 5.134 MeV (megaelectronvolts) daughter nuclide | Mo-108