Input interpretation
Y-76 (yttrium-76) | Fe-51 (iron-51)
Decay properties
| Y-76 | Fe-51 half-life | 200 ns (1.99×10^-7 to ∞ s) | 305 ms (299.7 to 310.6 ms) mean lifetime | 289 ns (2.85×10^-7 to ∞ s) | 440 ms (432.5 to 447.6 ms) decay constant | 3.47×10^6 per second | 2.27 per second specific activity | 2.75×10^16 TBq/g | 2.69×10^10 TBq/g width | 1.58×10^-9 eV | 1.5×10^-15 eV decay modes | β^+ (positron emission) | p (proton emission) | β^+ (positron emission) final decay products | As-75 (0) | Ge-72 (0) | Ge-74 (0) | Se-74 (0) | Se-76 (0) | V-51 (100%)
Decay modes
Y-76
decay mode | β^+ (positron emission) Q-value | 14.518 MeV (megaelectronvolts) daughter nuclide | Sr-76 decay mode | p (proton emission) Q-value | 629 keV (kiloelectronvolts) daughter nuclide | Sr-75
Fe-51
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 6.9968 MeV (megaelectronvolts) daughter nuclide | Mn-51
Radiation shielding
Radiation shielding
Decay chain
Y-76
Decay chain Y-76
Fe-51
Decay chain Fe-51
Mass properties
| Y-76 | Fe-51 atomic number (Z) | 39 | 26 mass number (A) | 76 | 51 neutron number | 37 | 25 atomic mass | 75.95845 u (unified atomic mass units) | 50.956819538 u (unified atomic mass units) mass excess | -38.704 MeV (megaelectronvolts) | -40.222341 MeV (megaelectronvolts) binding energy per nucleon | 8.179 MeV (megaelectronvolts) | 8.461147 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Fe-51 spin parity J^π | 5/2^- (atomic fermion)
Quantum properties