34-Se-85
Spin
Level energy(keV) Spin & Parity
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ground state (5/2+)
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)
84.922260760 ± 0.000002804 (amu) [mass excess = -72413.635 ± 2.613 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
6161.833 ± 4.031 (keV)
Strong Gamma-rays from Decay of Se- 85 (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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345.2 46. B-
1427.2 7.04 B-
3396.6 7.41 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- 31.7 S 9
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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Se- 85 U-235 Thermal 8.920190e-03 4.036830e-03
Se- 85 U-235 Fast 1.063020e-02 4.810700e-03
Se- 85 U-235 High 9.956400e-03 4.505780e-03
Se- 85 U-238 Fast 4.827120e-03 2.184980e-03
Se- 85 U-238 High 6.664100e-03 3.015990e-03
Se- 85 Pu-239 Thermal 4.057840e-03 1.836480e-03
Se- 85 Pu-239 Fast 3.790430e-03 1.715350e-03
Se- 85 Pu-239 High 5.505770e-03 2.491640e-03
Se- 85 Pu-241 Thermal 2.859860e-03 1.294230e-03
Se- 85 Pu-241 Fast 3.347470e-03 1.514910e-03
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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- 85 U-235 Thermal 1.062330e-02 6.188250e-03
Se- 85 U-235 Fast 1.175630e-02 6.084800e-03
Se- 85 U-235 High 1.138540e-02 6.482980e-03
Se- 85 U-238 Fast 7.122700e-03 3.327260e-03
Se- 85 U-238 High 8.511890e-03 4.749660e-03
Se- 85 Pu-239 Thermal 4.137120e-03 2.429400e-03
Se- 85 Pu-239 Fast 4.014480e-03 2.335060e-03
Se- 85 Pu-239 High 6.224140e-03 3.553660e-03
Se- 85 Pu-241 Thermal 3.097850e-03 1.790910e-03
Se- 85 Pu-241 Fast 3.823830e-03 2.176760e-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