Input interpretation
F-24 (fluorine-24) | Eu-148 (europium-148)
Decay properties
| F-24 | Eu-148 half-life | 390 ms (310 to 470 ms) | 54.5 days (53.94 to 55.06 days) mean lifetime | 563 ms (440 to 690 ms) | 78.6 days (77.84 to 79.43 days) decay constant | 1.78 per second | 1.47×10^-7 per second specific activity | 4.46×10^10 TBq/g | 600 TBq/g width | 8.11×10^-16 eV | 9.69×10^-23 eV decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) | β^+ (positron emission) | α (alpha emission) final decay products | Mg-24 (90%) | Na-23 (5.9%) | Ce-140 (100%)
Decay modes
F-24
decay mode | β^- (electron emission) branching ratio | 94% Q-value | 13.511 MeV (megaelectronvolts) daughter nuclide | Ne-24 decay mode | β^-n (electron + delayed neutron) branching ratio | 5.9% Q-value | 4.6423 MeV (megaelectronvolts) daughter nuclide | Ne-23
Eu-148
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 2.0175 MeV (megaelectronvolts) daughter nuclide | Sm-148 decay mode | α (alpha emission) branching ratio | 9.4×10^-9 Q-value | 2.6937 MeV (megaelectronvolts) daughter nuclide | Pm-144
Radiation shielding
Radiation shielding
Decay chain
F-24
Decay chain F-24
Eu-148
Decay chain Eu-148
Mass properties
| F-24 | Eu-148 atomic number (Z) | 9 | 63 mass number (A) | 24 | 148 neutron number | 15 | 85 atomic mass | 24.008115485 u (unified atomic mass units) | 147.918085895 u (unified atomic mass units) mass excess | 7.559527 MeV (megaelectronvolts) | -76.302498 MeV (megaelectronvolts) binding energy per nucleon | 7.462957 MeV (megaelectronvolts) | 8.253849 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Eu-148 spin parity J^π | 5^- (atomic fermion) magnetic moment | 2.34 μ_N electric quadrupole moment | 0.35 eb (electron barns)
Quantum properties