51-Sb-129
Spin
Level energy(keV) Spin & Parity
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ground state 7/2+
1.85105E+03 (19/2-)
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)
128.909146665 ± 0.000022792 (amu) [mass excess = -84629.337 ± 21.231 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2375.500 ± 21.213 (keV)
Strong Gamma-rays from Decay of Sb-129 (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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722.6 * 14.25 IT
1128.44 * 15. IT
684. -- B-
758. -- B-
761. -- B-
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544.7 17.93 B-
812.8 43. B-
914.6 20.04 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- 17.7 M 1
B- 4.40 H 1
IT 17.7 M 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Te-129 (Z= 52, A=129), MT=103 (n,p)
Te-130 (Z= 52, A=130), MT= 28 (n,np)
Te-130 (Z= 52, A=130), MT=104 (n,d)
Cs-136 (Z= 55, A=136), MT=108 (n,2α)
Cs-137 (Z= 55, A=137), MT= 29 (n,n2α)
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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Sb-129 U-235 Thermal 2.466990e-04 1.110140e-04
Sb-129 U-235 Fast 2.005990e-04 1.283840e-04
Sb-129 U-235 High 2.824370e-03 6.496080e-04
Sb-129 U-238 Fast 1.071690e-04 6.858810e-05
Sb-129 U-238 High 1.000620e-03 6.403990e-04
Sb-129 Pu-239 Thermal 1.467510e-03 9.392040e-04
Sb-129 Pu-239 Fast 1.190990e-03 7.622320e-04
Sb-129 Pu-239 High 3.300720e-03 1.056230e-03
Sb-129 Pu-241 Thermal 4.182570e-04 2.676840e-04
Sb-129 Pu-241 Fast 5.549960e-04 3.551980e-04
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Sb-129m U-235 Thermal 3.916890e-04 3.133520e-04
Sb-129m U-235 Fast 4.213040e-04 3.370430e-04
Sb-129m U-235 High 9.041730e-03 7.233380e-03
Sb-129m U-238 Fast 1.606630e-04 1.285300e-04
Sb-129m U-238 High 3.217990e-03 2.574390e-03
Sb-129m Pu-239 Thermal 1.834930e-03 1.467940e-03
Sb-129m Pu-239 Fast 1.953070e-03 1.562450e-03
Sb-129m Pu-239 High 1.056660e-02 8.453320e-03
Sb-129m Pu-241 Thermal 4.929450e-04 3.943560e-04
Sb-129m Pu-241 Fast 8.490110e-04 6.792090e-04
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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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Sb-129 U-235 Thermal 4.968280e-03 2.337730e-04
Sb-129 U-235 Fast 7.767720e-03 1.335140e-03
Sb-129 U-235 High 1.951610e-02 3.437990e-03
Sb-129 U-238 Fast 9.669560e-03 1.625210e-03
Sb-129 U-238 High 1.608980e-02 1.866110e-03
Sb-129 Pu-239 Thermal 1.135160e-02 1.173110e-03
Sb-129 Pu-239 Fast 1.205090e-02 1.388960e-03
Sb-129 Pu-239 High 1.415070e-02 5.111670e-03
Sb-129 Pu-241 Thermal 7.402300e-03 3.525790e-03
Sb-129 Pu-241 Fast 1.036400e-02 2.588870e-03
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Sb-129m U-235 Thermal 5.454010e-04 3.133520e-04
Sb-129m U-235 Fast 6.961510e-04 3.370430e-04
Sb-129m U-235 High 9.633440e-03 7.233380e-03
Sb-129m U-238 Fast 4.797010e-04 1.285300e-04
Sb-129m U-238 High 3.730240e-03 2.574390e-03
Sb-129m Pu-239 Thermal 2.182020e-03 1.467940e-03
Sb-129m Pu-239 Fast 2.350950e-03 1.562450e-03
Sb-129m Pu-239 High 1.093750e-02 8.453320e-03
Sb-129m Pu-241 Thermal 7.378390e-04 3.943560e-04
Sb-129m Pu-241 Fast 1.207720e-03 6.792090e-04
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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