39-Y-94
Spin
Level energy(keV) Spin & Parity
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ground state 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)
93.911590582 ± 0.000006938 (amu) [mass excess = -82352.842 ± 6.463 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4918.059 ± 6.440 (keV)
Strong Gamma-rays from Decay of Y- 94 (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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432.2 85. IT
769.9 85. IT
1202.4 15. IT
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550.9 4.93 B-
918.74 56. B-
1138.9 5.99 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- 18.7 M 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Zr- 94 (Z= 40, A= 94), MT=103 (n,p)
Zr- 95 (Z= 40, A= 95), MT= 28 (n,np)
Zr- 95 (Z= 40, A= 95), MT=104 (n,d)
Zr- 96 (Z= 40, A= 96), MT=105 (n,t)
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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Y- 94 U-235 Thermal 3.892410e-03 3.113930e-04
Y- 94 U-235 Fast 6.760250e-03 1.554850e-03
Y- 94 U-235 High 8.455980e-03 5.411830e-03
Y- 94 U-238 Fast 3.390960e-04 2.170220e-04
Y- 94 U-238 High 1.649340e-03 1.055570e-03
Y- 94 Pu-239 Thermal 6.749850e-03 1.079970e-03
Y- 94 Pu-239 Fast 7.273460e-03 2.327500e-03
Y- 94 Pu-239 High 9.076310e-03 5.808840e-03
Y- 94 Pu-241 Thermal 1.921330e-03 1.229650e-03
Y- 94 Pu-241 Fast 1.267920e-03 8.114670e-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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Y- 94 U-235 Thermal 6.440010e-02 6.576210e-04
Y- 94 U-235 Fast 6.282660e-02 8.966610e-04
Y- 94 U-235 High 5.073280e-02 8.109380e-03
Y- 94 U-238 Fast 4.609860e-02 1.844010e-03
Y- 94 U-238 High 4.695750e-02 2.816320e-03
Y- 94 Pu-239 Thermal 4.289540e-02 8.585750e-04
Y- 94 Pu-239 Fast 4.216520e-02 5.908940e-04
Y- 94 Pu-239 High 3.427540e-02 5.482390e-03
Y- 94 Pu-241 Thermal 3.388130e-02 9.492570e-04
Y- 94 Pu-241 Fast 3.300330e-02 1.322690e-03
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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