Input interpretation
Ta-170 (tantalum-170) | Hf-173 (hafnium-173)
Decay properties
| Ta-170 | Hf-173 half-life | 6.77 min (6.69 to 6.83 min) | 24 h (23.492 to 23.708 h) mean lifetime | 9.75 min (9.659 to 9.847 min) | 34.2 h (33.7 to 34.21 h) decay constant | 0.00171 per second | 8.13×10^-6 per second specific activity | 6.06×10^6 TBq/g | 28300 TBq/g width | 1.12×10^-18 eV | 5.37×10^-21 eV decay modes | β^+ (positron emission) | β^+ (positron emission) final decay products | Yb-170 (100%) | Yb-173 (100%)
Decay modes
Ta-170
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 5.094 MeV (megaelectronvolts) daughter nuclide | Hf-170
Hf-173
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 451.8 keV (kiloelectronvolts) daughter nuclide | Lu-173
Radiation shielding
Radiation shielding
Decay chain
Ta-170
Decay chain Ta-170
Hf-173
Decay chain Hf-173
Mass properties
| Ta-170 | Hf-173 atomic number (Z) | 73 | 72 mass number (A) | 170 | 173 neutron number | 97 | 101 atomic mass | 169.946175 u (unified atomic mass units) | 172.940513 u (unified atomic mass units) mass excess | -50.137665 MeV (megaelectronvolts) | -55.411784 MeV (megaelectronvolts) binding energy per nucleon | 8.030296 MeV (megaelectronvolts) | 8.066016 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Ta-170 | Hf-173 spin parity J^π | 3^+ (atomic fermion) | 1/2^- (atomic fermion)
Quantum properties