37-Rb-89
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)
88.912278298 ± 0.000005863 (amu) [mass excess = -81712.239 ± 5.462 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4496.511 ± 5.447 (keV)
Strong Gamma-rays from Decay of Rb- 89 (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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1031.92 62.9 B-
1248.14 45.92 B-
2195.92 14.47 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- 15.15 M 12
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sr- 89 (Z= 38, A= 89), MT=103 (n,p)
Sr- 90 (Z= 38, A= 90), MT= 28 (n,np)
Sr- 90 (Z= 38, A= 90), MT=104 (n,d)
Y - 91 (Z= 39, A= 91), MT=106 (n,3He)
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- 89 U-235 Thermal 2.042310e-03 8.169230e-05
Rb- 89 U-235 Fast 3.891260e-03 2.490400e-03
Rb- 89 U-235 High 5.927720e-03 3.793740e-03
Rb- 89 U-238 Fast 8.858610e-04 3.986370e-04
Rb- 89 U-238 High 1.111980e-03 7.116680e-04
Rb- 89 Pu-239 Thermal 2.548700e-03 1.631160e-03
Rb- 89 Pu-239 Fast 2.694480e-03 8.622350e-04
Rb- 89 Pu-239 High 4.597560e-03 2.942440e-03
Rb- 89 Pu-241 Thermal 8.426460e-04 5.392930e-04
Rb- 89 Pu-241 Fast 5.427720e-04 3.473740e-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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Rb- 89 U-235 Thermal 4.707520e-02 6.646090e-04
Rb- 89 U-235 Fast 4.363150e-02 4.811100e-03
Rb- 89 U-235 High 4.110170e-02 4.515720e-03
Rb- 89 U-238 Fast 2.761680e-02 5.522440e-04
Rb- 89 U-238 High 2.923270e-02 8.182230e-04
Rb- 89 Pu-239 Thermal 1.707380e-02 2.732300e-03
Rb- 89 Pu-239 Fast 1.719700e-02 6.881280e-04
Rb- 89 Pu-239 High 2.042540e-02 6.533250e-03
Rb- 89 Pu-241 Thermal 1.232430e-02 9.858980e-04
Rb- 89 Pu-241 Fast 1.280510e-02 2.948200e-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