38-Sr-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)
90.910195442 ± 0.000006066 (amu) [mass excess = -83652.406 ± 5.651 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2699.470 ± 5.256 (keV)
Strong Gamma-rays from Decay of Sr- 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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652.9 8.04 B-
749.8 23.68 B-
1024.3 33.5 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- 9.63 H 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sr- 90 (Z= 38, A= 90), MT=102 (n,γ)
Y - 91 (Z= 39, A= 91), MT=103 (n,p)
Zr- 93 (Z= 40, A= 93), MT=106 (n,3He)
Zr- 94 (Z= 40, A= 94), MT=107 (n,α)
Zr- 95 (Z= 40, A= 95), MT= 22 (n,nα)
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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Sr- 91 U-235 Thermal 2.501020e-03 1.500620e-04
Sr- 91 U-235 Fast 6.837840e-03 4.376220e-03
Sr- 91 U-235 High 5.073000e-03 3.246720e-03
Sr- 91 U-238 Fast 1.167640e-04 7.472870e-05
Sr- 91 U-238 High 6.954270e-04 4.450740e-04
Sr- 91 Pu-239 Thermal 3.860300e-03 6.176480e-04
Sr- 91 Pu-239 Fast 2.518540e-03 1.611860e-03
Sr- 91 Pu-239 High 3.698450e-03 2.367000e-03
Sr- 91 Pu-241 Thermal 6.701480e-04 4.288950e-04
Sr- 91 Pu-241 Fast 4.509210e-04 2.885890e-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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Sr- 91 U-235 Thermal 5.815320e-02 5.953350e-04
Sr- 91 U-235 Fast 5.718960e-02 1.155520e-03
Sr- 91 U-235 High 4.817260e-02 1.925790e-03
Sr- 91 U-238 Fast 4.014440e-02 8.458210e-04
Sr- 91 U-238 High 3.856310e-02 1.088400e-03
Sr- 91 Pu-239 Thermal 2.483350e-02 4.968380e-04
Sr- 91 Pu-239 Fast 2.513570e-02 7.041300e-04
Sr- 91 Pu-239 High 2.222400e-02 2.444390e-03
Sr- 91 Pu-241 Thermal 1.862800e-02 5.220340e-04
Sr- 91 Pu-241 Fast 1.924950e-02 1.543440e-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