90-Th-229
- Atomic Mass: 229.0317553 ± 0.0000031 amu
- Excess Mass: 29579.904 ± 2.925 keV
- Binding Energy: 1748341.213 ± 2.941 keV
- Beta Decay Energy: B- -310.431 ± 8.827 keV
- Spin: 5/2+
- Half life: 7880 Y ( 1.5228 % )
- Mode of decay: Alpha to Ra-225
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Possible parent nuclides:
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Beta from Ac-229
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Electron capture from Pa-229
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Alpha from U-233
Total Cross Section
- at 0.0253 eV = 104.1 b
- Maxwell avg. at 0.0253 eV = 96.24 b
- at 14 MeV = 6.192 b
- Fission spectrum avg. = 7.604 b
- g-factor = 1.0434
Elastic Scattering Cross Section
- at 0.0253 eV = 9.932 b
- Maxwell avg. at 0.0253 eV = 9.875 b
- at 14 MeV = 3.144 b
- Fission spectrum avg. = 5.127 b
- g-factor = 1.1220
Total Inelastic Cross Section
- at 14 MeV = 584.7 mb
- Fission spectrum avg. = 1.738 b
(n,2n) Cross Section
- at 14 MeV = 302.6 mb
- Fission spectrum avg. = 48.79 mb
(n,3n) Cross Section
- at 14 MeV = 110.2 mb
- Fission spectrum avg. = 20.66 micro barn
Total Fission Cross Section
- at 0.0253 eV = 30.81 b
- Maxwell avg. at 0.0253 eV = 27.78 b
- Resonance integral = 443.7 b
- at 14 MeV = 2.050 b
- Fission spectrum avg. = 479.9 mb
- g-factor = 1.0174
(n,4n) Cross Section
- Fission spectrum avg. = 0.04169 micro barn
Radiative Capture Cross Section
- at 0.0253 eV = 63.34 b
- Maxwell avg. at 0.0253 eV = 58.58 b
- Resonance integral = 1236 b
- at 14 MeV = 7.848 micro barn
- Fission spectrum avg. = 204.6 mb
- g-factor = 1.0436
Element Th