Input interpretation
Mn-48 (manganese-48) | At-194 (astatine-194)
Decay properties
| Mn-48 | At-194 half-life | 158.1 ms (155.88 to 160.32 ms) | 40 ms mean lifetime | 228.1 ms (224.89 to 231.29 ms) | 58 ms decay constant | 4.384 per second | 17 per second specific activity | 5.504×10^10 TBq/g | 5.4×10^10 TBq/g width | 2.886×10^-15 eV | 1.1×10^-14 eV decay modes | β^+ (positron emission) | β^+p (positron + delayed proton) | β^+α (positron + delayed α) | α (alpha emission) | β^+ (positron emission) final decay products | Ti-48 (100%) | Ti-47 (0.28%) | Ca-44 (6×10^-4%) | Hf-178 (0%) | Os-190 (0%) | Pt-194 (0%) | W-182 (0%)
Decay modes
Mn-48
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 12.474 MeV (megaelectronvolts) daughter nuclide | Cr-48 decay mode | β^+p (positron + delayed proton) branching ratio | 0.28% daughter nuclide | V-47 decay mode | β^+α (positron + delayed α) branching ratio | 6×10^-4% daughter nuclide | Ti-44
At-194
decay mode | α (alpha emission) branching ratio | 100% Q-value | 7.2905 MeV (megaelectronvolts) daughter nuclide | Bi-190 decay mode | β^+ (positron emission) Q-value | 8.795 MeV (megaelectronvolts) daughter nuclide | Po-194
Radiation shielding
| Mn-48 lead | 24.6 µm water | 67.5 µm air | 61.5 mm
Decay chain
Mn-48
Decay chain Mn-48
At-194
Decay chain At-194
Mass properties
| Mn-48 | At-194 atomic number (Z) | 25 | 85 mass number (A) | 48 | 194 neutron number | 23 | 109 atomic mass | 47.96852 u (unified atomic mass units) | 193.998725085 u (unified atomic mass units) mass excess | -29.323431 MeV (megaelectronvolts) | -1.187575 MeV (megaelectronvolts) binding energy per nucleon | 8.27475 MeV (megaelectronvolts) | 7.734658 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Mn-48 | At-194 spin parity J^π | 4^+ (atomic fermion) | 3^+ (atomic fermion)
Quantum properties