26-Fe-67
Spin
Level energy(keV) Spin & Parity
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ground state (5/2+)
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer
Chinese Physics C36 p. 1603-2014, December 2012)
66.950543395 ± 0.000234002 (amu) [mass excess = -46068.530 ± 217.972 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
9253.245 ± 218.067 (keV)
Strong Gamma-rays from Decay of Fe- 67 (Compiled from ENSDF as of March 2011)
[ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
γ-ray energy(keV) Intensity(%) Decay mode
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20. -- IT
367. *100. IT
387. * 12. IT
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*: relative, ~ approximate, ? calculated or estimatted
>: greater than or equal to, <: less than or equal to
[ Intensities; total intensity of the nuclide is 100(%). ]
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data
- Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Fe- 67 U-235 Thermal 6.859070e-10 4.389810e-10
Fe- 67 U-235 Fast 5.129420e-09 3.282820e-09
Fe- 67 U-235 High 1.071470e-06 6.857400e-07
Fe- 67 U-238 Fast 7.402760e-08 4.737770e-08
Fe- 67 U-238 High 2.412630e-07 1.544080e-07
Fe- 67 Pu-239 Thermal 1.819720e-10 1.164620e-10
Fe- 67 Pu-239 Fast 2.329620e-09 1.490950e-09
Fe- 67 Pu-239 High 1.110720e-07 7.108610e-08
Fe- 67 Pu-241 Thermal 2.460400e-10 1.574660e-10
Fe- 67 Pu-241 Fast 2.008490e-09 1.285430e-09
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
- Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Fe- 67 U-235 Thermal 6.912830e-10 4.424220e-10
Fe- 67 U-235 Fast 5.182450e-09 3.316770e-09
Fe- 67 U-235 High 1.111480e-06 7.103220e-07
Fe- 67 U-238 Fast 7.670540e-08 4.908830e-08
Fe- 67 U-238 High 2.482670e-07 1.587210e-07
Fe- 67 Pu-239 Thermal 1.827300e-10 1.169470e-10
Fe- 67 Pu-239 Fast 2.345430e-09 1.501070e-09
Fe- 67 Pu-239 High 1.144870e-07 7.296160e-08
Fe- 67 Pu-241 Thermal 2.469460e-10 1.580460e-10
Fe- 67 Pu-241 Fast 2.029090e-09 1.298620e-09
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
→ Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data