Input interpretation
Al-33 | daughter nuclides
Result
Si-33 | Si-32
Decay properties
| Si-33 | Si-32 half-life | 6.11 s (5.82 to 6.4 s) | 153 yr (130 to 176 yr) mean lifetime | 8.81 s (8.4 to 9.3 s) | 221 yr (187 to 254 yr) decay constant | 0.113 per second | 1.44×10^-10 per second specific activity | 2.07×10^9 TBq/g | 2.71 TBq/g width | 5.18×10^-17 eV | 6.55×10^-26 eV decay modes | β^- (electron emission) | β^- (electron emission) final decay products | S-33 (100%) | S-32 (100%)
Decay modes
decay mode | β^- (electron emission) branching ratio | 92% Q-value | 11.9633 MeV (megaelectronvolts) daughter nuclide | Si-33 decay mode | β^-n (electron + delayed neutron) branching ratio | 8.5% Q-value | 7.4802 MeV (megaelectronvolts) daughter nuclide | Si-32
Si-33
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 5.8448 MeV (megaelectronvolts) daughter nuclide | P-33
Si-32
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 224.311 keV (kiloelectronvolts) daughter nuclide | P-32
Radiation shielding
| Si-33 | Si-32 lead | 3.66 mm | 96.1 µm portland concrete | 14.8 mm | 280 µm water | 29.7 mm | 538 µm air | 24.9 m | 47.8 cm
Decay chain
Si-33
Decay chain Si-33
Si-32
Decay chain Si-32
Mass properties
| Si-33 | Si-32 atomic number (Z) | 14 | 14 mass number (A) | 33 | 32 neutron number | 19 | 18 atomic mass | 32.97800022 u (unified atomic mass units) | 31.974148082 u (unified atomic mass units) mass excess | -20.492662 MeV (megaelectronvolts) | -24.080907 MeV (megaelectronvolts) binding energy per nucleon | 8.360402 MeV (megaelectronvolts) | 8.481569 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Si-33 | Si-32 spin parity J^π | 3/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
Quantum properties