Input interpretation
Al-24 (aluminum-24) | Br-77 (bromine-77)
Decay properties
| Al-24 | Br-77 half-life | 2.053 s (2.0488 to 2.0572 s) | 57.0361 h (57.0295 to 57.0425 h) mean lifetime | 2.962 s (2.9559 to 2.9678 s) | 82.2861 h (82.2761 to 82.295 h) decay constant | 0.3376 per second | 3.37576×10^-6 per second specific activity | 8.471×10^9 TBq/g | 26428.6 TBq/g width | 2.222×10^-16 eV | 2.222×10^-21 eV decay modes | β^+ (positron emission) | β^+α (positron + delayed α) | β^+p (positron + delayed proton) | β^+ (positron emission) final decay products | Mg-24 (100%) | Ne-20 (0.035%) | Na-23 (0.0016%) | Se-77 (100%)
Decay modes
Al-24
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 12.85442 MeV (megaelectronvolts) daughter nuclide | Mg-24 decay mode | β^+α (positron + delayed α) branching ratio | 0.035% daughter nuclide | Ne-20 decay mode | β^+p (positron + delayed proton) branching ratio | 0.0016% daughter nuclide | Na-23
Br-77
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 342.48 keV (kiloelectronvolts) daughter nuclide | Se-77
Radiation shielding
Radiation shielding
Decay chain
Al-24
Decay chain Al-24
Br-77
Decay chain Br-77
Mass properties
| Al-24 | Br-77 atomic number (Z) | 13 | 35 mass number (A) | 24 | 77 neutron number | 11 | 42 atomic mass | 23.999938865 u (unified atomic mass units) | 76.921379082 u (unified atomic mass units) mass excess | -0.056946 MeV (megaelectronvolts) | -73.234914 MeV (megaelectronvolts) binding energy per nucleon | 7.649919 MeV (megaelectronvolts) | 8.666808 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Al-24 | Br-77 spin parity J^π | 4^+ (atomic fermion) | 3/2^- (atomic boson) magnetic moment | (unknown) | 0.92 μ_N
Quantum properties