Input interpretation
![Ac-233 | daughter nuclides](../image_source/82f727c844bf2079437d69f3dfa8be2e.png)
Ac-233 | daughter nuclides
Result
![Th-233](../image_source/cb9c788259cec250de1633c321273e46.png)
Th-233
Decay properties
![half-life | 21.83 minutes (21.73 to 21.93 min) mean lifetime | 31.49 minutes (31.31 to 31.68 min) decay constant | 5.292×10^-4 per second specific activity | 1.368×10^6 TBq/g (terabecquerels per gram) width | 2.414×10^-19 eV (electronvolts) decay modes | β^- (electron emission) final decay products | Tl-205 (100%) | Pb-207 (7×10^-12)](../image_source/2d48a669de882c1005260240a06864d3.png)
half-life | 21.83 minutes (21.73 to 21.93 min) mean lifetime | 31.49 minutes (31.31 to 31.68 min) decay constant | 5.292×10^-4 per second specific activity | 1.368×10^6 TBq/g (terabecquerels per gram) width | 2.414×10^-19 eV (electronvolts) decay modes | β^- (electron emission) final decay products | Tl-205 (100%) | Pb-207 (7×10^-12)
Decay mode
![decay mode | β^- (electron emission) Q-value | 2.765 MeV (megaelectronvolts) daughter nuclide | Th-233](../image_source/425456dad2e6a5a34f0800719093737b.png)
decay mode | β^- (electron emission) Q-value | 2.765 MeV (megaelectronvolts) daughter nuclide | Th-233
![decay mode | β^- (electron emission) Q-value | 1.24314 MeV (megaelectronvolts) daughter nuclide | Pa-233](../image_source/48e61b149f17527eccb4960f667c0641.png)
decay mode | β^- (electron emission) Q-value | 1.24314 MeV (megaelectronvolts) daughter nuclide | Pa-233
Radiation shielding
![lead | 880 µm portland concrete | 2.92 mm water | 5.68 mm air | 4.99 m](../image_source/5a77b05c4617fb37402acc153da436f5.png)
lead | 880 µm portland concrete | 2.92 mm water | 5.68 mm air | 4.99 m
Decay chain
![Decay chain](../image_source/19987486ef3558b4fe40c9625dfba578.png)
Decay chain
Mass properties
![atomic number (Z) | 90 mass number (A) | 233 neutron number | 143 atomic mass | 233.041581843 u (unified atomic mass units) mass excess | 38.733238 MeV (megaelectronvolts) binding energy per nucleon | 7.602886 MeV (megaelectronvolts)](../image_source/9ea017ac159896c493d00ab14767f876.png)
atomic number (Z) | 90 mass number (A) | 233 neutron number | 143 atomic mass | 233.041581843 u (unified atomic mass units) mass excess | 38.733238 MeV (megaelectronvolts) binding energy per nucleon | 7.602886 MeV (megaelectronvolts)
![Mass properties](../image_source/a07ad4354bbb2169ade16d66d40aaa0a.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/af95015f1c0027142bf4aa0625f2bdf1.png)
Nearby isotopes
Quantum properties
![spin parity J^π | 1/2^+ (atomic fermion)](../image_source/aa29c2330f0b510ea9179b5eb286bee7.png)
spin parity J^π | 1/2^+ (atomic fermion)
![Quantum properties](../image_source/ba036d2ab5d8ce593c09cb66117f4b49.png)
Quantum properties
Excitations
![E_level | spin parity J^π | half-life τ_1/2 | width Δ 6.04 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 6.06 keV (kiloelectronvolts) | 7/2^- | (unknown) | (unknown) 16.86 keV (kiloelectronvolts) | 3/2^+ | (unknown) | (unknown) 50.38 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 54.546 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 93.62 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 107.34 keV (kiloelectronvolts) | 9/2^+ | (unknown) | (unknown) 144.1 keV (kiloelectronvolts) | 11/2^- | (unknown) | (unknown) 158 keV (kiloelectronvolts) | 9/2^+ | (unknown) | (unknown) 178 keV (kiloelectronvolts) | 11/2^+ | (unknown) | (unknown)](../image_source/a536c3bf0d9e079d0a2c424dc8174546.png)
E_level | spin parity J^π | half-life τ_1/2 | width Δ 6.04 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 6.06 keV (kiloelectronvolts) | 7/2^- | (unknown) | (unknown) 16.86 keV (kiloelectronvolts) | 3/2^+ | (unknown) | (unknown) 50.38 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 54.546 keV (kiloelectronvolts) | 5/2^+ | (unknown) | (unknown) 93.62 keV (kiloelectronvolts) | 7/2^+ | (unknown) | (unknown) 107.34 keV (kiloelectronvolts) | 9/2^+ | (unknown) | (unknown) 144.1 keV (kiloelectronvolts) | 11/2^- | (unknown) | (unknown) 158 keV (kiloelectronvolts) | 9/2^+ | (unknown) | (unknown) 178 keV (kiloelectronvolts) | 11/2^+ | (unknown) | (unknown)