36-Kr-87
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)
86.913354760 ± 0.000000264 (amu) [mass excess = -80709.521 ± 0.246 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
3888.269 ± 0.246 (keV)
Strong Gamma-rays from Decay of Kr- 87 (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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402.59 49.6 B-
845.44 7.34 B-
2554.8 9.23 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- 76.3 M 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Kr- 86 (Z= 36, A= 86), MT=102 (n,γ)
Rb- 87 (Z= 37, A= 87), MT=103 (n,p)
Sr- 89 (Z= 38, A= 89), MT=106 (n,3He)
Sr- 90 (Z= 38, A= 90), 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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Kr- 87 U-235 Thermal 4.626710e-03 2.776030e-04
Kr- 87 U-235 Fast 3.497120e-03 8.043370e-04
Kr- 87 U-235 High 7.346810e-03 1.689770e-03
Kr- 87 U-238 Fast 3.467590e-04 2.219260e-04
Kr- 87 U-238 High 8.285230e-04 2.651280e-04
Kr- 87 Pu-239 Thermal 2.841330e-03 1.704800e-04
Kr- 87 Pu-239 Fast 2.180500e-03 6.977590e-04
Kr- 87 Pu-239 High 3.420830e-03 2.189330e-03
Kr- 87 Pu-241 Thermal 1.075490e-03 1.183040e-04
Kr- 87 Pu-241 Fast 8.430960e-04 5.395810e-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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Kr- 87 U-235 Thermal 2.588930e-02 4.042640e-04
Kr- 87 U-235 Fast 2.539190e-02 3.574710e-04
Kr- 87 U-235 High 2.436180e-02 6.832580e-04
Kr- 87 U-238 Fast 1.632180e-02 3.321220e-04
Kr- 87 U-238 High 1.691460e-02 3.439690e-04
Kr- 87 Pu-239 Thermal 9.893110e-03 1.384930e-04
Kr- 87 Pu-239 Fast 1.036920e-02 2.073650e-04
Kr- 87 Pu-239 High 1.285790e-02 3.599720e-04
Kr- 87 Pu-241 Thermal 7.518910e-03 2.104470e-04
Kr- 87 Pu-241 Fast 8.015360e-03 6.411210e-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