34-Se-75
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)
74.922522870 ± 0.000000078 (amu) [mass excess = -72169.481 ± 0.073 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3062.363 ± 4.285 (keV)
Strong Gamma-rays from Decay of Se- 75 (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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136.00 58.25 EC
264.66 58.9 EC
279.54 24.99 EC
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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
EC 119.79 D 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Se- 74 (Z= 34, A= 74), MT=102 (n,γ)
Se- 76 (Z= 34, A= 76), MT= 16 (n,2n)
Se- 77 (Z= 34, A= 77), MT= 17 (n,3n)
Kr- 78 (Z= 36, A= 78), 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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Se- 75 U-235 High 1.201640e-11 7.690540e-12
Se- 75 U-238 High 3.934290e-13 2.517940e-13
Se- 75 Pu-239 Thermal 9.058570e-13 5.797490e-13
Se- 75 Pu-239 Fast 4.449280e-13 2.847540e-13
Se- 75 Pu-239 High 1.000650e-10 6.404150e-11
Se- 75 Pu-241 Thermal 1.430230e-14 9.153470e-15
Se- 75 Pu-241 Fast 1.458900e-14 9.336980e-15
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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- 75 U-235 High 1.201640e-11 7.679150e-12
Se- 75 U-238 High 3.934290e-13 2.515210e-13
Se- 75 Pu-239 Thermal 9.058570e-13 5.797490e-13
Se- 75 Pu-239 Fast 4.449280e-13 2.847540e-13
Se- 75 Pu-239 High 1.000650e-10 6.400000e-11
Se- 75 Pu-241 Thermal 1.430230e-14 9.151990e-15
Se- 75 Pu-241 Fast 1.458900e-14 9.336980e-15
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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