36-Kr-79
Spin
Level energy(keV) Spin & Parity
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ground state 1/2-
1.29770E+02 7/2+
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)
78.920082923 ± 0.000003838 (amu) [mass excess = -74442.277 ± 3.575 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3639.292 ± 4.168 (keV)
Strong Gamma-rays from Decay of Kr- 79 (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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261.29 12.7 EC
397.54 9.33 EC
606.09 8.12 EC
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130.01 27.7 IT
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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 35.04 H 10
IT 50 S 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Kr- 78 (Z= 36, A= 78), MT=102 (n,γ)
Kr- 80 (Z= 36, A= 80), MT= 16 (n,2n)
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- 79 U-235 High 1.195140e-13 7.648890e-14
Kr- 79 U-238 High 1.649590e-15 1.055740e-15
Kr- 79 Pu-239 Thermal 2.593090e-14 1.659580e-14
Kr- 79 Pu-239 Fast 8.553620e-15 5.474320e-15
Kr- 79 Pu-239 High 1.410010e-12 9.024090e-13
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Kr- 79m U-235 High 1.432610e-12 9.168730e-13
Kr- 79m U-238 High 1.977360e-14 1.265520e-14
Kr- 79m Pu-239 Thermal 1.690380e-13 1.081850e-13
Kr- 79m Pu-239 Fast 6.393470e-14 4.091820e-14
Kr- 79m Pu-239 High 1.690190e-11 1.081720e-11
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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- 79 U-235 High 1.552130e-12 8.719850e-13
Kr- 79 U-238 High 2.142320e-14 1.203390e-14
Kr- 79 Pu-239 Thermal 1.949690e-13 1.065730e-13
Kr- 79 Pu-239 Fast 7.248830e-14 3.985790e-14
Kr- 79 Pu-239 High 1.831190e-11 1.028460e-11
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Kr- 79m U-235 High 1.432610e-12 9.155150e-13
Kr- 79m U-238 High 1.977360e-14 1.264150e-14
Kr- 79m Pu-239 Thermal 1.690380e-13 1.081850e-13
Kr- 79m Pu-239 Fast 6.393470e-14 4.091820e-14
Kr- 79m Pu-239 High 1.690190e-11 1.081020e-11
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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