Input interpretation
Dy-143 (dysprosium-143)
Decay properties
half-life | 3.2 seconds (2 to 4.4 s) mean lifetime | 4.6 seconds (2 to 7 s) decay constant | 0.22 per second specific activity | 9.1×10^8 TBq/g (terabecquerels per gram) width | 9.9×10^-17 eV (electronvolts) decay modes | β^+ (positron emission) | β^+p (positron + delayed proton) final decay products | Nd-143 (100%) | La-139 (0%) | Nd-142 (0%)
Decay modes
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 7.09 MeV (megaelectronvolts) daughter nuclide | Tb-143 decay mode | β^+p (positron + delayed proton) daughter nuclide | Gd-142
Decay chain
Decay chain
Mass properties
atomic number (Z) | 66 mass number (A) | 143 neutron number | 77 atomic mass | 142.94383 u (unified atomic mass units) mass excess | -52.322 MeV (megaelectronvolts) binding energy per nucleon | 8.076 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1/2^+ (atomic fermion)
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 66.7 keV (kiloelectronvolts) | 1/2^+ | (unknown) | (unknown) 250.9 keV (kiloelectronvolts) | 3/2^- | (unknown) | (unknown) 310.7 keV (kiloelectronvolts) | 11/2^- | (unknown) | (unknown) 433.3 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 471.8 keV (kiloelectronvolts) | 7/2^- | (unknown) | (unknown) 693.6 keV (kiloelectronvolts) | 11/2^- | (unknown) | (unknown) 805.9 keV (kiloelectronvolts) | 15/2^- | (unknown) | (unknown) 845.5 keV (kiloelectronvolts) | 11/2^- | (unknown) | (unknown) 923.1 keV (kiloelectronvolts) | (unknown) | (unknown) | (unknown) 1010.6 keV (kiloelectronvolts) | 13/2^- | (unknown) | (unknown)