Input interpretation
Zr-89 (zirconium-89) | Po-200 (polonium-200)
Decay properties
| Zr-89 | Po-200 half-life | 78.42 h (78.2878 to 78.5316 h) | 11.5 min (11.38 to 11.62 min) mean lifetime | 113.1 h (112.9 to 113.301 h) | 16.6 min (16.43 to 16.74 min) decay constant | 2.456×10^-6 per second | 0.00101 per second specific activity | 16630 TBq/g | 3.03×10^6 TBq/g width | 1.616×10^-21 eV | 6.61×10^-19 eV decay modes | β^+ (positron emission) | β^+ (positron emission) | α (alpha emission) final decay products | Y-89 (100%) | Hg-200 (89%) | Hg-196 (11.1%) | Pt-192 (3.3×10^-8) | Os-188 (1.3×10^-15) | Os-184 (3×10^-22) | Hf-176 (0) | Hf-180 (0) | Pt-196 (0) | W-180 (0) | W-184 (0)
Decay modes
Zr-89
decay mode | β^+ (positron emission) branching ratio | 100% Q-value | 1.81066 MeV (megaelectronvolts) daughter nuclide | Y-89
Po-200
decay mode | β^+ (positron emission) branching ratio | 88.9% Q-value | 2.3934 MeV (megaelectronvolts) daughter nuclide | Bi-200 decay mode | α (alpha emission) branching ratio | 11.1% Q-value | 5.98135 MeV (megaelectronvolts) daughter nuclide | Pb-196
Radiation shielding
Radiation shielding
Decay chain
Zr-89
Decay chain Zr-89
Po-200
Decay chain Po-200
Mass properties
| Zr-89 | Po-200 atomic number (Z) | 40 | 84 mass number (A) | 89 | 200 neutron number | 49 | 116 atomic mass | 88.9088895 u (unified atomic mass units) | 199.981798604 u (unified atomic mass units) mass excess | -84.868884 MeV (megaelectronvolts) | -16.954491 MeV (megaelectronvolts) binding energy per nucleon | 8.673284 MeV (megaelectronvolts) | 7.827504 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Zr-89 | Po-200 spin parity J^π | 9/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
Quantum properties