Input interpretation
Be-15 (beryllium-15) | Sr-97 (strontium-97)
Decay properties
| Be-15 | Sr-97 half-life | 200 ns (0 to 230 ns) | 429 ms (423.4 to 434.6 ms) mean lifetime | 289 ns (-6.675×10^-299 to 289 ns) | 619 ms (611.1 to 626.8 ms) decay constant | 3.46×10^6 per second | 1.62 per second specific activity | 1.38×10^17 TBq/g | 1×10^10 TBq/g width | 2.28×10^-9 eV | 1.06×10^-15 eV decay modes | n (neutron emission) | β^- (electron emission) | β^-n (electron + delayed neutron) final decay products | Be-9 (0) | B-11 (0) | C-12 (0) | C-13 (0) | He-4 (0) | Li-7 (0) | N-14 (0) | Mo-97 (100%) | Mo-96 (0.11%)
Decay modes
Be-15
decay mode | n (neutron emission) Q-value | 1.772 MeV (megaelectronvolts) daughter nuclide | Be-14
Sr-97
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 7.4696 MeV (megaelectronvolts) daughter nuclide | Y-97 decay mode | β^-n (electron + delayed neutron) branching ratio | 5×10^-4 Q-value | 1.4873 MeV (megaelectronvolts) daughter nuclide | Y-96
Radiation shielding
| Be-15 lead | 4.4 mm portland concrete | 18.7 mm water | 37.7 mm air | 31.3 m
Decay chain
Be-15
Decay chain Be-15
Sr-97
Decay chain Sr-97
Mass properties
| Be-15 | Sr-97 atomic number (Z) | 4 | 38 mass number (A) | 15 | 97 neutron number | 11 | 59 atomic mass | 15.05346 u (unified atomic mass units) | 96.926152923 u (unified atomic mass units) mass excess | 49.798 MeV (megaelectronvolts) | -68.788109 MeV (megaelectronvolts) binding energy per nucleon | 4.543 MeV (megaelectronvolts) | 8.473987 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Sr-97 spin parity J^π | 1/2^+ (atomic fermion) magnetic moment | -0.4983 μ_N
Quantum properties