38-Sr-85
Spin
Level energy(keV) Spin & Parity
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ground state 9/2+
2.38790E+02 (1/2)-
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)
84.912932046 ± 0.000003020 (amu) [mass excess = -81103.276 ± 2.813 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3261.153 ± 19.173 (keV)
Strong Gamma-rays from Decay of Sr- 85 (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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151.18 1.E-03 EC
514.01 95.71 EC
868.06 0.01 EC
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129.82 0.15 EC
151.19 12.86 EC
731.80 0.01 EC
6.92 -- IT
231.86 84.43 IT
238.78 0.28 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 67.63 M 4
EC 64.84 D 2
IT 67.63 M 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sr- 84 (Z= 38, A= 84), MT=102 (n,γ)
Sr- 86 (Z= 38, A= 86), 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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Sr- 85 U-235 Thermal 6.364060e-13 4.073000e-13
Sr- 85 U-235 Fast 3.586830e-13 2.295580e-13
Sr- 85 U-235 High 1.093740e-09 6.999920e-10
Sr- 85 U-238 High 7.902930e-12 5.057870e-12
Sr- 85 Pu-239 Thermal 9.174150e-11 5.871470e-11
Sr- 85 Pu-239 Fast 4.034550e-11 2.582110e-11
Sr- 85 Pu-239 High 5.109310e-09 3.269960e-09
Sr- 85 Pu-241 Thermal 1.242560e-12 7.952390e-13
Sr- 85 Pu-241 Fast 2.286280e-13 1.463220e-13
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Sr- 85m U-235 Thermal 1.473450e-13 9.430090e-14
Sr- 85m U-235 Fast 7.242640e-14 4.635300e-14
Sr- 85m U-235 High 1.379490e-10 8.828730e-11
Sr- 85m U-238 High 9.967660e-13 6.379290e-13
Sr- 85m Pu-239 Thermal 2.124070e-11 1.359400e-11
Sr- 85m Pu-239 Fast 8.146690e-12 5.213870e-12
Sr- 85m Pu-239 High 6.444180e-10 4.124270e-10
Sr- 85m Pu-241 Thermal 2.876860e-13 1.841190e-13
Sr- 85m Pu-241 Fast 4.616530e-14 2.954580e-14
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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- 85 U-235 Thermal 7.640070e-13 4.889640e-13
Sr- 85 U-235 Fast 4.214050e-13 2.696980e-13
Sr- 85 U-235 High 1.213200e-09 7.764520e-10
Sr- 85 U-238 High 8.766130e-12 5.610320e-12
Sr- 85 Pu-239 Thermal 1.101360e-10 7.048710e-11
Sr- 85 Pu-239 Fast 4.740050e-11 3.033630e-11
Sr- 85 Pu-239 High 5.667380e-09 3.627120e-09
Sr- 85 Pu-241 Thermal 1.491700e-12 9.546880e-13
Sr- 85 Pu-241 Fast 2.686070e-13 1.719080e-13
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Sr- 85m U-235 Thermal 1.473450e-13 9.430090e-14
Sr- 85m U-235 Fast 7.242640e-14 4.635300e-14
Sr- 85m U-235 High 1.379490e-10 8.815660e-11
Sr- 85m U-238 High 9.967660e-13 6.372380e-13
Sr- 85m Pu-239 Thermal 2.124070e-11 1.359400e-11
Sr- 85m Pu-239 Fast 8.146690e-12 5.213870e-12
Sr- 85m Pu-239 High 6.444180e-10 4.121600e-10
Sr- 85m Pu-241 Thermal 2.876860e-13 1.840900e-13
Sr- 85m Pu-241 Fast 4.616530e-14 2.954580e-14
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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