32-Ge-81
Spin
Level energy(keV) Spin & Parity
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ground state (9/2+)
7.00000E+02 (1/2+)
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)
80.928832943 ± 0.000002205 (amu) [mass excess = -66291.686 ± 2.055 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
6241.628 ± 3.362 (keV)
Strong Gamma-rays from Decay of Ge- 81 (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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93.10 24.82 B-
197.30 11.97 B-
335.98 12.41 B-
335.98 58.93 B-
792.94 34.08 B-
1495.53 19.88 B-
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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(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
B- 7.6 S
B- 7.6 S
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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Ge- 81 U-235 Thermal 8.312160e-04 3.324870e-05
Ge- 81 U-235 Fast 1.008470e-03 6.454190e-04
Ge- 81 U-235 High 1.093200e-03 6.996470e-04
Ge- 81 U-238 Fast 3.898330e-04 2.494930e-04
Ge- 81 U-238 High 1.444620e-03 9.245530e-04
Ge- 81 Pu-239 Thermal 3.633530e-04 2.325460e-04
Ge- 81 Pu-239 Fast 3.962480e-04 2.535980e-04
Ge- 81 Pu-239 High 8.200340e-04 5.248210e-04
Ge- 81 Pu-241 Thermal 1.855040e-04 1.187220e-04
Ge- 81 Pu-241 Fast 3.695150e-04 2.364890e-04
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Ge- 81m U-235 Thermal 2.959650e-04 2.367720e-04
Ge- 81m U-235 Fast 3.185220e-04 2.548180e-04
Ge- 81m U-235 High 1.695510e-04 1.356410e-04
Ge- 81m U-238 Fast 1.059740e-04 8.477930e-05
Ge- 81m U-238 High 2.040560e-04 1.632440e-04
Ge- 81m Pu-239 Thermal 1.176250e-04 9.410030e-05
Ge- 81m Pu-239 Fast 1.103290e-04 8.826350e-05
Ge- 81m Pu-239 High 1.165930e-04 9.327400e-05
Ge- 81m Pu-241 Thermal 5.683680e-05 4.546950e-05
Ge- 81m Pu-241 Fast 1.066090e-04 8.528720e-05
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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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Ge- 81 U-235 Thermal 9.169520e-04 1.985730e-04
Ge- 81 U-235 Fast 1.101600e-03 7.050250e-04
Ge- 81 U-235 High 1.268310e-03 8.117180e-04
Ge- 81 U-238 Fast 5.477310e-04 3.505470e-04
Ge- 81 U-238 High 1.773980e-03 1.135340e-03
Ge- 81 Pu-239 Thermal 3.770920e-04 2.413390e-04
Ge- 81 Pu-239 Fast 4.173190e-04 2.670840e-04
Ge- 81 Pu-239 High 9.379590e-04 6.002940e-04
Ge- 81 Pu-241 Thermal 1.972780e-04 1.262580e-04
Ge- 81 Pu-241 Fast 4.083950e-04 2.613730e-04
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Ge- 81m U-235 Thermal 2.959650e-04 2.367720e-04
Ge- 81m U-235 Fast 3.185220e-04 2.548180e-04
Ge- 81m U-235 High 1.695510e-04 1.356410e-04
Ge- 81m U-238 Fast 1.059740e-04 8.477930e-05
Ge- 81m U-238 High 2.040560e-04 1.632440e-04
Ge- 81m Pu-239 Thermal 1.176250e-04 9.410030e-05
Ge- 81m Pu-239 Fast 1.103290e-04 8.826350e-05
Ge- 81m Pu-239 High 1.165930e-04 9.327400e-05
Ge- 81m Pu-241 Thermal 5.683680e-05 4.546950e-05
Ge- 81m Pu-241 Fast 1.066090e-04 8.528720e-05
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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