Input interpretation
Rb-89 (rubidium-89) | Sc-47 (scandium-47)
Decay properties
| Rb-89 | Sc-47 half-life | 15.15 min (15.028 to 15.272 min) | 80.3806 h (80.3653 to 80.3964 h) mean lifetime | 21.85 min (21.682 to 22.031 min) | 115.964 h (115.943 to 115.987 h) decay constant | 7.628×10^-4 per second | 2.39538×10^-6 per second specific activity | 5.166×10^6 TBq/g | 30723.3 TBq/g width | 5.019×10^-19 eV | 1.5767×10^-21 eV decay modes | β^- (electron emission) | β^- (electron emission) final decay products | Y-89 (100%) | Ti-47 (100%)
Decay modes
Rb-89
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 4.49664 MeV (megaelectronvolts) daughter nuclide | Sr-89
Sc-47
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 600.27 keV (kiloelectronvolts) daughter nuclide | Ti-47
Radiation shielding
| Rb-89 | Sc-47 lead | 2.97 mm | 375 µm portland concrete | 11.5 mm | 1.17 mm water | 22.9 mm | 2.27 mm air | 19.4 m | 201 cm
Decay chain
Rb-89
Decay chain Rb-89
Sc-47
Decay chain Sc-47
Mass properties
| Rb-89 | Sc-47 atomic number (Z) | 37 | 21 mass number (A) | 89 | 47 neutron number | 52 | 26 atomic mass | 88.912278016 u (unified atomic mass units) | 46.952407508 u (unified atomic mass units) mass excess | -81.712502 MeV (megaelectronvolts) | -44.332121 MeV (megaelectronvolts) binding energy per nucleon | 8.66419 MeV (megaelectronvolts) | 8.664995 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Rb-89 | Sc-47 spin parity J^π | 3/2^- (atomic boson) | 7/2^- (atomic boson) magnetic moment | (unknown) | 5.34 μ_N electric quadrupole moment | (unknown) | -0.22 eb (electron barns)
Quantum properties