Input interpretation
Be-13 (beryllium-13) | No-259 (nobelium-259)
Decay properties
| Be-13 | No-259 half-life | 2.7 zs (-4 to 27 zs) | 58 min (52.77 to 63.23 min) mean lifetime | 3.9 zs (-10 to 60 zs) | 83 min (76.13 to 91.23 min) decay constant | 2.6×10^20 per second | 2×10^-4 per second specific activity | 1.2×10^31 TBq/g | 460000 TBq/g width | 120 keV | 1.3×10^-19 eV decay modes | n (neutron emission) | α (alpha emission) | ϵ (electron capture) | SF (spontaneous fission) final decay products | B-11 (0) | C-12 (0) | He-4 (0) | Pb-207 (70%) | Tl-205 (6×10^-10) | Pb-206 (5×10^-12) | Pb-208 (7×10^-15)
Decay modes
Be-13
decay mode | n (neutron emission) Q-value | 100 keV (kiloelectronvolts) daughter nuclide | Be-12
No-259
decay mode | α (alpha emission) branching ratio | 75% Q-value | 7.885 MeV (megaelectronvolts) daughter nuclide | Fm-255 decay mode | ϵ (electron capture) branching ratio | 25% Q-value | 486 keV (kiloelectronvolts) daughter nuclide | Md-259 decay mode | SF (spontaneous fission) branching ratio | 10%
Radiation shielding
Radiation shielding
Decay chain
Be-13
Decay chain Be-13
No-259
Decay chain No-259
Mass properties
| Be-13 | No-259 atomic number (Z) | 4 | 102 mass number (A) | 13 | 259 neutron number | 9 | 157 atomic mass | 13.035693007 u (unified atomic mass units) | 259.101031 u (unified atomic mass units) mass excess | 33.247823 MeV (megaelectronvolts) | 94.109 MeV (megaelectronvolts) binding energy per nucleon | 5.27307 MeV (megaelectronvolts) | 7.4 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Be-13 | No-259 spin parity J^π | 1/2^- (atomic fermion) | 9/2^+ (atomic fermion)
Quantum properties