89-Ac-227
- Atomic Mass: 227.0277470 ± 0.0000029 amu
- Excess Mass: 25846.141 ± 2.709 keV
- Binding Energy: 1736714.684 ± 2.726 keV
- Beta Decay Energy: B- 44.824 ± 0.830 keV
- Spin: 3/2-
- Half life: 21.773 Y ( 0.0138 % )
- Mode of decay: Alpha to Fr-223
- Branch ratio: 1.38
- Decay energy: 5.042 MeV
- Mode of decay: Beta to Th-227
- Branch ratio: 98.62
- Decay energy: 0.045 MeV
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Possible parent nuclides:
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Beta from Ra-227
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Alpha from Pa-231
Total Cross Section
- at 0.0253 eV = 902.4 b
- Maxwell avg. at 0.0253 eV = 926.9 b
- at 14 MeV = 6.167 b
- Fission spectrum avg. = 7.601 b
- g-factor = 1.1590
Elastic Scattering Cross Section
- at 0.0253 eV = 12.40 b
- Maxwell avg. at 0.0253 eV = 12.40 b
- at 14 MeV = 3.134 b
- Fission spectrum avg. = 5.274 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 587.2 mb
- Fission spectrum avg. = 2.284 b
(n,2n) Cross Section
- at 14 MeV = 1.311 b
- Fission spectrum avg. = 23.42 mb
(n,3n) Cross Section
- at 14 MeV = 1.011 b
- Fission spectrum avg. = 161.9 micro barn
Total Fission Cross Section
- at 0.0253 eV = 290.0 micro barn
- Maxwell avg. at 0.0253 eV = 257.0 micro barn
- Resonance integral = 137.8 mb
- at 14 MeV = 124.0 mb
- Fission spectrum avg. = 12.80 mb
- g-factor = 1.0000
(n,4n) Cross Section
- Fission spectrum avg. = 0.009562 micro barn
Radiative Capture Cross Section
- at 0.0253 eV = 890.0 b
- Maxwell avg. at 0.0253 eV = 911.1 b
- Resonance integral = 1654 b
- at 14 MeV = 0.001389 micro barn
- Fission spectrum avg. = 3.484 mb
- g-factor = 1.1551
Element Ac