34-Se-84
Spin
Level energy(keV) Spin & Parity
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ground state 0+
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)
83.918466763 ± 0.000002105 (amu) [mass excess = -75947.721 ± 1.961 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1835.364 ± 25.765 (keV)
Strong Gamma-rays from Decay of Se- 84 (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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408.2 100. B-
498.5 2.4 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- 3.26 M 10
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Kr- 86 (Z= 36, A= 86), MT=106 (n,3He)
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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Se- 84 U-235 Thermal 6.299860e-03 1.259970e-04
Se- 84 U-235 Fast 5.927980e-03 1.896950e-03
Se- 84 U-235 High 7.200380e-03 4.608240e-03
Se- 84 U-238 Fast 1.741270e-03 1.114410e-03
Se- 84 U-238 High 3.709870e-03 2.374320e-03
Se- 84 Pu-239 Thermal 3.272570e-03 1.472660e-03
Se- 84 Pu-239 Fast 3.317590e-03 1.492910e-03
Se- 84 Pu-239 High 3.832240e-03 2.452630e-03
Se- 84 Pu-241 Thermal 2.051060e-03 9.229780e-04
Se- 84 Pu-241 Fast 1.720160e-03 7.740710e-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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Se- 84 U-235 Thermal 9.539490e-03 2.973920e-04
Se- 84 U-235 Fast 1.002240e-02 8.035650e-04
Se- 84 U-235 High 1.348420e-02 4.308360e-03
Se- 84 U-238 Fast 8.206680e-03 4.925330e-04
Se- 84 U-238 High 1.081120e-02 1.188140e-03
Se- 84 Pu-239 Thermal 4.018640e-03 9.243260e-04
Se- 84 Pu-239 Fast 4.466080e-03 1.027230e-03
Se- 84 Pu-239 High 6.805010e-03 3.060220e-03
Se- 84 Pu-241 Thermal 3.262020e-03 3.587050e-04
Se- 84 Pu-241 Fast 3.456350e-03 2.766910e-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