Input interpretation
Ho-174 (holmium-174) | Hf-175 (hafnium-175)
Decay properties
| Ho-174 | Hf-175 half-life | 8 s | 69 days (67.2 to 72.9 days) mean lifetime | 10 s | 100 days (97.1 to 110 days) decay constant | 0.1 per second | 1.1×10^-7 per second specific activity | 3.5×10^8 TBq/g | 400 TBq/g width | 6×10^-17 eV | 7.5×10^-23 eV decay modes | β^- (electron emission) | ϵ (electron capture) final decay products | Yb-174 (0%) | Lu-175 (100%)
Decay modes
Ho-174
decay mode | β^- (electron emission) Q-value | 6.446 MeV (megaelectronvolts) daughter nuclide | Er-174
Hf-175
decay mode | ϵ (electron capture) branching ratio | 100% Q-value | 686.85 keV (kiloelectronvolts) daughter nuclide | Lu-175
Radiation shielding
Radiation shielding
Decay chain
Ho-174
Decay chain Ho-174
Hf-175
Decay chain Hf-175
Mass properties
| Ho-174 | Hf-175 atomic number (Z) | 67 | 72 mass number (A) | 174 | 175 neutron number | 107 | 103 atomic mass | 173.95115 u (unified atomic mass units) | 174.941509181 u (unified atomic mass units) mass excess | -45.503 MeV (megaelectronvolts) | -54.483847 MeV (megaelectronvolts) binding energy per nucleon | 8.032 MeV (megaelectronvolts) | 8.060774 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Hf-175 spin parity J^π | 5/2^- (atomic fermion) magnetic moment | 0.539 μ_N electric quadrupole moment | 2.8 eb (electron barns)
Quantum properties