Input interpretation
Tm-164 (thulium-164) | Np-234 (neptunium-234)
Decay properties
| Tm-164 | Np-234 half-life | 120 s (113 to 128 s) | 110 h (102 to 109 h) mean lifetime | 170 s (163 to 183 s) | 6.4 days (6.14 to 6.56 days) decay constant | 0.00588 per second | 1.8×10^-6 per second specific activity | 2.16×10^7 TBq/g | 4700 TBq/g width | 3.8×10^-18 eV | 1.2×10^-21 eV decay modes | ϵ (electron capture) | e^+ (positron emission) | β^+ (positron emission) final decay products | Er-164 (100%) | Dy-160 (0) | Dy-164 (0) | Pb-206 (100%) | Tl-205 (1.9×10^-8) | Pb-208 (2.6×10^-11) | W-184 (9×10^-14) | Hf-180 (0)
Decay modes
Tm-164
decay mode | ϵ (electron capture) branching ratio | 61% Q-value | 4.0611 MeV (megaelectronvolts) daughter nuclide | Er-164 decay mode | e^+ (positron emission) branching ratio | 39% daughter nuclide | Er-164
Np-234
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 787.65 keV (kiloelectronvolts) daughter nuclide | U-234
Radiation shielding
Radiation shielding
Decay chain
Tm-164
Decay chain Tm-164
Np-234
Decay chain Np-234
Mass properties
| Tm-164 | Np-234 atomic number (Z) | 69 | 93 mass number (A) | 164 | 234 neutron number | 95 | 141 atomic mass | 163.93356 u (unified atomic mass units) | 234.042895038 u (unified atomic mass units) mass excess | -61.888462 MeV (megaelectronvolts) | 39.956471 MeV (megaelectronvolts) binding energy per nucleon | 8.119528 MeV (megaelectronvolts) | 7.58963 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Tm-164 | Np-234 spin parity J^π | 1^+ (atomic fermion) | 0^+ (atomic fermion) magnetic moment | 2.37 μ_N | 0 μ_N electric quadrupole moment | 0.71 eb (electron barns) | (unknown)
Quantum properties