Input interpretation
Pt-201 (platinum-201) | Nb-98 (niobium-98)
Decay properties
| Pt-201 | Nb-98 half-life | 150 s (142 to 158 s) | 2.86 s (2.6 to 2.923 s) mean lifetime | 220 s (206 to 227 s) | 4.13 s (4.037 to 4.215 s) decay constant | 0.00455 per second | 0.242 per second specific activity | 1.36×10^7 TBq/g | 1.49×10^9 TBq/g width | 3×10^-18 eV | 1.6×10^-16 eV decay modes | β^- (electron emission) | β^- (electron emission) final decay products | Hg-201 (100%) | Mo-98 (100%) | Ru-98 (0%)
Decay modes
Pt-201
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 2.66 MeV (megaelectronvolts) daughter nuclide | Au-201
Nb-98
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 4.58318 MeV (megaelectronvolts) daughter nuclide | Mo-98
Radiation shielding
| Pt-201 | Nb-98 lead | 1.88 mm | 3.02 mm portland concrete | 6.77 mm | 11.7 mm water | 13.3 mm | 23.4 mm air | 11.5 m | 19.8 m
Decay chain
Pt-201
Decay chain Pt-201
Nb-98
Decay chain Nb-98
Mass properties
| Pt-201 | Nb-98 atomic number (Z) | 78 | 41 mass number (A) | 201 | 98 neutron number | 123 | 57 atomic mass | 200.974512868 u (unified atomic mass units) | 97.910328412 u (unified atomic mass units) mass excess | -23.741111 MeV (megaelectronvolts) | -83.528547 MeV (megaelectronvolts) binding energy per nucleon | 7.885835 MeV (megaelectronvolts) | 8.596341 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
| Pt-201 | Nb-98 spin parity J^π | 5/2^- (atomic fermion) | 1^+ (atomic fermion)
Quantum properties