40-Zr-100
Spin
Level energy(keV) Spin & Parity
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ground state 0+
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)
99.918000576 ± 0.000008900 (amu) [mass excess = -76381.971 ± 8.291 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
3421.362 ± 11.408 (keV)
Strong Gamma-rays from Decay of Zr-100 (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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400.55 20.5 B-
471.48 3.4 B-
504.27 30. 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- 7.1 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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Zr-100 U-235 Thermal 4.968850e-02 1.590030e-02
Zr-100 U-235 Fast 4.882830e-02 1.562510e-02
Zr-100 U-235 High 2.096090e-02 6.707490e-03
Zr-100 U-238 Fast 3.301080e-02 1.056350e-02
Zr-100 U-238 High 2.737180e-02 8.758980e-03
Zr-100 Pu-239 Thermal 4.782450e-02 2.869460e-03
Zr-100 Pu-239 Fast 4.351100e-02 1.392360e-02
Zr-100 Pu-239 High 2.221610e-02 7.109150e-03
Zr-100 Pu-241 Thermal 4.288870e-02 1.372430e-02
Zr-100 Pu-241 Fast 4.257060e-02 1.362260e-02
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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-100 U-235 Thermal 5.868870e-02 1.809060e-02
Zr-100 U-235 Fast 6.126850e-02 1.373630e-02
Zr-100 U-235 High 2.497820e-02 5.835540e-03
Zr-100 U-238 Fast 6.406300e-02 1.045200e-02
Zr-100 U-238 High 4.345890e-02 7.344590e-03
Zr-100 Pu-239 Thermal 5.191320e-02 4.148450e-03
Zr-100 Pu-239 Fast 4.841270e-02 1.103680e-02
Zr-100 Pu-239 High 2.527370e-02 5.879310e-03
Zr-100 Pu-241 Thermal 5.356590e-02 1.238070e-02
Zr-100 Pu-241 Fast 5.499780e-02 1.239310e-02
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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