Input interpretation
Ir-174 (iridium-174) | Se-70 (selenium-70)
Decay properties
| Ir-174 | Se-70 half-life | 7.9 s (6.4 to 9.4 s) | 41.17 min (40.76 to 41.45 min) mean lifetime | 11 s (10.5 to 12.3 s) | 59.33 min (58.8 to 59.78 min) decay constant | 0.091 per second | 2.809×10^-4 per second specific activity | 3.1×10^8 TBq/g | 2.419×10^6 TBq/g width | 5.8×10^-17 eV | 1.85×10^-19 eV decay modes | β^+ (positron emission) | α (alpha emission) | β^+ (positron emission) final decay products | Yb-170 (100%) | Er-166 (0.005%) | Yb-174 (0%) | Ge-70 (100%)
Decay modes
Ir-174
decay mode | β^+ (positron emission) branching ratio | 99.5% Q-value | 8.1054 MeV (megaelectronvolts) daughter nuclide | Os-174 decay mode | α (alpha emission) branching ratio | 0.5% Q-value | 5.6241 MeV (megaelectronvolts) daughter nuclide | Re-170
Se-70
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 1.2747 MeV (megaelectronvolts) daughter nuclide | As-70
Radiation shielding
Radiation shielding
Decay chain
Ir-174
Decay chain Ir-174
Se-70
Decay chain Se-70
Mass properties
| Ir-174 | Se-70 atomic number (Z) | 77 | 34 mass number (A) | 174 | 70 neutron number | 97 | 36 atomic mass | 173.966861045 u (unified atomic mass units) | 69.933390644 u (unified atomic mass units) mass excess | -30.868738 MeV (megaelectronvolts) | -62.046216 MeV (megaelectronvolts) binding energy per nucleon | 7.902513 MeV (megaelectronvolts) | 8.577695 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ir-174 | Se-70 spin parity J^π | 3^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
Quantum properties