4-Be-9
Ra-226-Be or Am-241-Be is useful for a moisture gauge. Be-9(g,n)Be-8 or Be-9(a,n)C-12 is neutron source.
- Atomic Mass: 9.0121821 ± 0.0000004 amu
- Excess Mass: 11347.584 ± 0.396 keV
- Binding Energy: 58164.907 ± 0.396 keV
- Beta Decay Energy: B- -1068.116 ± 0.899 keV
- Atomic Percent Abundance: 100%
- Spin: 3/2-
- Stable Isotope
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Possible parent nuclides:
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Beta from Li-9
Total Cross Section
- at 0.0253 eV = 6.159 b
- Maxwell avg. at 0.0253 eV = 6.158 b
- at 14 MeV = 1.494 b
- Fission spectrum avg. = 2.834 b
- g-factor = 1.1282
Elastic Scattering Cross Section
- at 0.0253 eV = 6.151 b
- Maxwell avg. at 0.0253 eV = 6.151 b
- at 14 MeV = 959.3 mb
- Fission spectrum avg. = 2.673 b
- g-factor = 1.1284
Total Inelastic Cross Section
- at 14 MeV = 22.90 mb
- Fission spectrum avg. = 38.95 micro barn
(n,2n) Cross Section
- at 14 MeV = 269.1 mb
- Fission spectrum avg. = 53.83 mb
(n,2n) alpha-p Cross Section
- at 14 MeV = 17.49 mb
- Fission spectrum avg. = 4.938 mb
Radiative Capture Cross Section
- at 0.0253 eV = 7.600 mb
- Maxwell avg. at 0.0253 eV = 6.735 mb
- Resonance integral = 3.419 mb
- at 14 MeV = 0.3231 micro barn
- Fission spectrum avg. = 1.156 micro barn
- g-factor = 1.0000
(n,p) Cross Section
- Fission spectrum avg. = 0.02025 micro barn
(n,d) Cross Section
- Fission spectrum avg. = 0.03268 micro barn
(n,t) Cross Section
- at 14 MeV = 18.36 mb
- Fission spectrum avg. = 2.751 micro barn
(n,alpha) Cross Section
- at 14 MeV = 9.419 mb
- Fission spectrum avg. = 35.65 mb
Element Be