88-Ra-224
( Ra-224 is also called thorium X )
This nuclide is useful for level gauge.
- Atomic Mass: 224.0202020 ± 0.0000029 amu
- Excess Mass: 18818.043 ± 2.662 keV
- Binding Energy: 1720311.167 ± 2.680 keV
- Beta Decay Energy: B- -1403.231 ± 4.186 keV
- Spin: 0+
- Half life: 3.66 D ( 1.0929 % )
- Mode of decay: 12C
- Branch ratio: 4.3E-9
- Decay energy: 26.375 MeV
- Mode of decay: Alpha to Rn-220
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Possible parent nuclides:
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Beta from Fr-224
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Electron capture from Ac-224
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Alpha from Th-228
Total Cross Section
- at 0.0253 eV = 24.50 b
- Maxwell avg. at 0.0253 eV = 23.22 b
- at 14 MeV = 6.136 b
- Fission spectrum avg. = 7.536 b
- g-factor = 1.0696
Elastic Scattering Cross Section
- at 0.0253 eV = 12.50 b
- Maxwell avg. at 0.0253 eV = 12.50 b
- at 14 MeV = 3.125 b
- Fission spectrum avg. = 5.476 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 590.4 mb
- Fission spectrum avg. = 2.001 b
(n,2n) Cross Section
- at 14 MeV = 1.083 b
- Fission spectrum avg. = 24.72 mb
(n,3n) Cross Section
- at 14 MeV = 1.338 b
- Fission spectrum avg. = 181.1 micro barn
(n,4n) Cross Section
- Fission spectrum avg. = 0.02547 micro barn
Radiative Capture Cross Section
- at 0.0253 eV = 12.00 b
- Maxwell avg. at 0.0253 eV = 10.63 b
- Resonance integral = 28.98 b
- at 14 MeV = 2.743 micro barn
- Fission spectrum avg. = 31.16 mb
- g-factor = 1.0000
Element Ra