36-Kr-91
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)
90.923806311 ± 0.000002400 (amu) [mass excess = -70973.964 ± 2.236 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
6771.161 ± 8.121 (keV)
Strong Gamma-rays from Decay of Kr- 91 (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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108.79 43.5 B-
506.59 19.14 B-
612.87 7.7 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- 8.57 S 4
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- 91 U-235 Thermal 3.151190e-02 3.151190e-04
Kr- 91 U-235 Fast 2.910220e-02 1.164090e-03
Kr- 91 U-235 High 1.651320e-02 1.321050e-03
Kr- 91 U-238 Fast 2.617940e-02 2.879730e-03
Kr- 91 U-238 High 2.094950e-02 1.675960e-03
Kr- 91 Pu-239 Thermal 6.968030e-03 1.393610e-04
Kr- 91 Pu-239 Fast 9.384650e-03 6.006170e-03
Kr- 91 Pu-239 High 6.009080e-03 3.845810e-03
Kr- 91 Pu-241 Thermal 9.248140e-03 3.699260e-04
Kr- 91 Pu-241 Fast 1.135960e-02 3.635060e-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- 91 U-235 Thermal 3.342660e-02 3.454630e-04
Kr- 91 U-235 Fast 3.028600e-02 8.549330e-04
Kr- 91 U-235 High 1.783110e-02 1.070400e-03
Kr- 91 U-238 Fast 3.325800e-02 2.026470e-03
Kr- 91 U-238 High 2.508130e-02 1.015880e-03
Kr- 91 Pu-239 Thermal 7.138330e-03 1.428890e-04
Kr- 91 Pu-239 Fast 9.667370e-03 4.353550e-03
Kr- 91 Pu-239 High 6.397810e-03 2.882610e-03
Kr- 91 Pu-241 Thermal 9.749050e-03 3.906930e-04
Kr- 91 Pu-241 Fast 1.217950e-02 2.808910e-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