36-Kr-90
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)
89.919527931 ± 0.000002000 (amu) [mass excess = -74959.250 ± 1.863 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4405.480 ± 6.776 (keV)
Strong Gamma-rays from Decay of Kr- 90 (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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121.82 35.49 B-
539.49 30.81 B-
1118.69 39. 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- 32.32 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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Kr- 90 U-235 Thermal 4.390270e-02 6.146380e-04
Kr- 90 U-235 Fast 4.016060e-02 1.606430e-03
Kr- 90 U-235 High 2.499380e-02 7.998030e-03
Kr- 90 U-238 Fast 1.850750e-02 4.256720e-03
Kr- 90 U-238 High 1.879160e-02 1.503330e-03
Kr- 90 Pu-239 Thermal 1.096750e-02 3.070910e-04
Kr- 90 Pu-239 Fast 1.328530e-02 4.251280e-03
Kr- 90 Pu-239 High 9.754580e-03 6.242930e-03
Kr- 90 Pu-241 Thermal 1.005020e-02 6.030120e-04
Kr- 90 Pu-241 Fast 1.146920e-02 3.670140e-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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Kr- 90 U-235 Thermal 4.854530e-02 6.860460e-04
Kr- 90 U-235 Fast 4.601720e-02 1.296350e-03
Kr- 90 U-235 High 2.962690e-02 6.807030e-03
Kr- 90 U-238 Fast 3.076780e-02 2.461730e-03
Kr- 90 U-238 High 2.747720e-02 1.647870e-03
Kr- 90 Pu-239 Thermal 1.261510e-02 2.525650e-04
Kr- 90 Pu-239 Fast 1.422130e-02 3.271970e-03
Kr- 90 Pu-239 High 1.108590e-02 4.987050e-03
Kr- 90 Pu-241 Thermal 1.209710e-02 3.388270e-04
Kr- 90 Pu-241 Fast 1.338800e-02 3.082570e-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