40-Zr-89
Spin
Level energy(keV) Spin & Parity
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ground state 9/2+
5.87830E+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)
88.908881441 ± 0.000003722 (amu) [mass excess = -84876.390 ± 3.467 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4250.996 ± 23.774 (keV)
Strong Gamma-rays from Decay of Zr- 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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587.8 89.64 IT
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909.15 99.04 EC
1713.0 0.74 EC
1744.5 0.12 EC
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1507.4 6.06 EC
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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 4.161 M 17
EC 78.41 H 12
IT 4.161 M 17
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Zr- 90 (Z= 40, A= 90), MT= 16 (n,2n)
Zr- 91 (Z= 40, A= 91), MT= 17 (n,3n)
Mo- 92 (Z= 42, A= 92), MT=107 (n,α)
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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Zr- 89 U-235 Thermal 1.362670e-14 8.721130e-15
Zr- 89 U-235 High 1.144960e-10 7.327730e-11
Zr- 89 U-238 High 1.886670e-13 1.207470e-13
Zr- 89 Pu-239 Thermal 4.331210e-12 2.771970e-12
Zr- 89 Pu-239 Fast 1.578020e-12 1.009930e-12
Zr- 89 Pu-239 High 1.301940e-09 8.332430e-10
Zr- 89 Pu-241 Thermal 1.437600e-14 9.200660e-15
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Zr- 89m Pu-239 High 2.072690e-10 1.658150e-10
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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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Zr- 89 U-235 Thermal 1.362670e-14 8.721130e-15
Zr- 89 U-235 High 1.144960e-10 7.327730e-11
Zr- 89 U-238 High 1.886670e-13 1.207470e-13
Zr- 89 Pu-239 Thermal 4.331210e-12 2.771970e-12
Zr- 89 Pu-239 Fast 1.578020e-12 1.009930e-12
Zr- 89 Pu-239 High 1.496300e-09 9.382430e-10
Zr- 89 Pu-241 Thermal 1.437600e-14 9.200660e-15
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Zr- 89m Pu-239 High 2.072690e-10 1.658150e-10
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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