94-Pu-238
basic
n-XS summary
XS graphs
element
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94-plutonium-238
Plutonium-238 has safely powered at least 20 NASA spacecraft since 1972.
- Atomic Mass: 238.0495534 +- 0.0000021 amu
- Excess Mass: 46158.688 +- 1.982 keV
- Binding Energy: 1801274.921 +- 2.008 keV
- Beta Decay Energy: B- -2258.350 +- 50.688 keV
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra,
Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
- Spin: 0+
- Half life: 87.7 years
- Mode of decay: Alpha to U-234
- Mode of decay: SF
Meta state at 2.400 Mev
- Half life: 0.6 ns
- Mode of decay: SF
- Branch ratio: <=100.00 %
- Decay energy: 0 0.000 MeV
Meta state at 3.500 Mev
- Spin: (0+)
- Half life: 6.0 ns
- Mode of decay: SF
- Branch ratio: <=100.00 %
- Decay energy: 0 0.000 MeV
- Possible parent nuclides:
- Beta from Np-238
- Electron capture from Am-238
- Alpha from Cm-242
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
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