32-Ge-77
Spin
Level energy(keV) Spin & Parity
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ground state 7/2+
1.59700E+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)
76.923549843 ± 0.000000057 (amu) [mass excess = -71212.862 ± 0.053 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2703.457 ± 1.717 (keV)
Strong Gamma-rays from Decay of Ge- 77 (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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194.8 0.41 B-
215.53 21.38 B-
1604.65 0.21 B-
159.7 10.33 IT
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211.03 30.83 B-
215.50 28.62 B-
264.44 53.9 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- 11.30 H 1
B- 52.9 S 6
IT 52.9 S 6
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ge- 76 (Z= 32, A= 76), MT=102 (n,γ)
Se- 79 (Z= 34, A= 79), MT=106 (n,3He)
Se- 80 (Z= 34, A= 80), MT=107 (n,α)
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- 77 U-235 Thermal 5.930370e-06 3.795440e-06
Ge- 77 U-235 Fast 3.178340e-05 2.034140e-05
Ge- 77 U-235 High 9.999680e-05 6.399770e-05
Ge- 77 U-238 Fast 1.021740e-06 6.539110e-07
Ge- 77 U-238 High 2.854250e-05 1.826730e-05
Ge- 77 Pu-239 Thermal 2.313660e-05 1.480740e-05
Ge- 77 Pu-239 Fast 3.312250e-05 2.119840e-05
Ge- 77 Pu-239 High 5.620100e-05 3.596860e-05
Ge- 77 Pu-241 Thermal 4.366050e-06 2.794270e-06
Ge- 77 Pu-241 Fast 1.311430e-05 8.393150e-06
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Ge- 77m U-235 Thermal 9.097350e-07 5.822300e-07
Ge- 77m U-235 Fast 4.252200e-06 2.721410e-06
Ge- 77m U-235 High 8.342100e-06 5.338940e-06
Ge- 77m U-238 Fast 1.366950e-07 8.748500e-08
Ge- 77m U-238 High 2.381120e-06 1.523920e-06
Ge- 77m Pu-239 Thermal 3.549210e-06 2.271490e-06
Ge- 77m Pu-239 Fast 4.431360e-06 2.836070e-06
Ge- 77m Pu-239 High 4.688490e-06 3.000630e-06
Ge- 77m Pu-241 Thermal 6.697630e-07 4.286490e-07
Ge- 77m Pu-241 Fast 1.754520e-06 1.122890e-06
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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- 77 U-235 Thermal 1.989590e-05 1.234360e-05
Ge- 77 U-235 Fast 8.602150e-05 3.870960e-05
Ge- 77 U-235 High 2.069990e-04 9.314930e-05
Ge- 77 U-238 Fast 7.103310e-06 2.273050e-06
Ge- 77 U-238 High 8.254290e-05 3.714440e-05
Ge- 77 Pu-239 Thermal 3.229590e-05 2.066940e-05
Ge- 77 Pu-239 Fast 5.076290e-05 3.248830e-05
Ge- 77 Pu-239 High 8.979550e-05 5.746910e-05
Ge- 77 Pu-241 Thermal 7.118830e-06 4.556060e-06
Ge- 77 Pu-241 Fast 2.899730e-05 1.304880e-05
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Ge- 77m U-235 Thermal 7.350290e-05 1.118930e-05
Ge- 77m U-235 Fast 2.854640e-04 1.648130e-04
Ge- 77m U-235 High 5.631670e-04 3.244030e-04
Ge- 77m U-238 Fast 3.200830e-05 1.324470e-05
Ge- 77m U-238 High 2.842120e-04 1.176030e-04
Ge- 77m Pu-239 Thermal 4.820690e-05 2.794640e-05
Ge- 77m Pu-239 Fast 9.284420e-05 5.369150e-05
Ge- 77m Pu-239 High 1.768130e-04 1.020100e-04
Ge- 77m Pu-241 Thermal 1.448830e-05 8.378970e-06
Ge- 77m Pu-241 Fast 8.359450e-05 4.824780e-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