37-Rb-91
Spin
Level energy(keV) Spin & Parity
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ground state 3/2(-)
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)
90.916537169 ± 0.000008381 (amu) [mass excess = -77745.126 ± 7.807 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5907.281 ± 8.951 (keV)
Strong Gamma-rays from Decay of Rb- 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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93.63 33.8 B-
2564.19 12.57 B-
3599.67 10.44 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- 58.4 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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Rb- 91 U-235 Thermal 2.221540e-02 3.110160e-04
Rb- 91 U-235 Fast 2.005720e-02 6.418300e-03
Rb- 91 U-235 High 2.526200e-02 8.083820e-03
Rb- 91 U-238 Fast 6.756780e-03 2.162170e-03
Rb- 91 U-238 High 1.277750e-02 4.088790e-03
Rb- 91 Pu-239 Thermal 1.383200e-02 4.426240e-03
Rb- 91 Pu-239 Fast 1.294620e-02 4.142800e-03
Rb- 91 Pu-239 High 1.212490e-02 3.879950e-03
Rb- 91 Pu-241 Thermal 8.204820e-03 5.251090e-03
Rb- 91 Pu-241 Fast 6.614150e-03 2.976360e-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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Rb- 91 U-235 Thermal 5.564740e-02 5.700020e-04
Rb- 91 U-235 Fast 5.034760e-02 5.553890e-03
Rb- 91 U-235 High 4.309580e-02 6.890750e-03
Rb- 91 U-238 Fast 4.002340e-02 1.630320e-03
Rb- 91 U-238 High 3.786410e-02 4.178700e-03
Rb- 91 Pu-239 Thermal 2.097130e-02 3.356330e-03
Rb- 91 Pu-239 Fast 2.261520e-02 3.619890e-03
Rb- 91 Pu-239 High 1.852380e-02 4.260490e-03
Rb- 91 Pu-241 Thermal 1.795590e-02 5.749620e-03
Rb- 91 Pu-241 Fast 1.879650e-02 3.013650e-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