Input interpretation
Be-16 (beryllium-16) | Pm-147 (promethium-147)
Decay properties
| Be-16 | Pm-147 half-life | 200 ns (0 to 230 ns) | 2.6234 yr (2.6228 to 2.624 yr) mean lifetime | 289 ns (-6.675×10^-299 to 289 ns) | 3.7848 yr (3.7835 to 3.786 yr) decay constant | 3.46×10^6 per second | 8.3783×10^-9 per second specific activity | 1.3×10^17 TBq/g | 34.343 TBq/g width | 2.28×10^-9 eV | 3.8222×10^-24 eV decay modes | 2n (two-neutron emission) | β^- (electron emission) final decay products | Be-9 (0) | B-11 (0) | C-12 (0) | C-13 (0) | He-4 (0) | Li-7 (0) | N-14 (0) | Nd-143 (100%)
Decay modes
Be-16
decay mode | 2n (two-neutron emission) Q-value | 1.581 MeV (megaelectronvolts) daughter nuclide | Be-14
Pm-147
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 224.139 keV (kiloelectronvolts) daughter nuclide | Sm-147
Radiation shielding
| Be-16 lead | 96 µm portland concrete | 280 µm water | 537 µm air | 47.7 cm
Decay chain
Be-16
Decay chain Be-16
Pm-147
Decay chain Pm-147
Mass properties
| Be-16 | Pm-147 atomic number (Z) | 4 | 61 mass number (A) | 16 | 147 neutron number | 12 | 86 atomic mass | 16.06192 u (unified atomic mass units) | 146.915138545 u (unified atomic mass units) mass excess | 57.678 MeV (megaelectronvolts) | -79.047936 MeV (megaelectronvolts) binding energy per nucleon | 4.271 MeV (megaelectronvolts) | 8.284411 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Be-16 | Pm-147 spin parity J^π | 0^+ (atomic boson) | 7/2^+ (atomic boson) magnetic moment | 0 μ_N | 2.58 μ_N electric quadrupole moment | (unknown) | 0.74 eb (electron barns)
Quantum properties