41-Nb-103
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)
102.919457238 ± 0.000004359 (amu) [mass excess = -75025.099 ± 4.061 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5941.683 ± 10.287 (keV)
Strong Gamma-rays from Decay of Nb-103 (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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102.56 *100. B-
538.5 * 34. B-
641.1 * 55. 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- 1.5 S 2
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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Nb-103 U-235 Thermal 1.408150e-02 3.238730e-03
Nb-103 U-235 Fast 1.801980e-02 5.766330e-03
Nb-103 U-235 High 1.555760e-02 4.978440e-03
Nb-103 U-238 Fast 3.120730e-02 9.986340e-03
Nb-103 U-238 High 2.663960e-02 8.524680e-03
Nb-103 Pu-239 Thermal 2.702200e-02 8.647010e-03
Nb-103 Pu-239 Fast 2.866800e-02 9.173750e-03
Nb-103 Pu-239 High 1.752920e-02 5.609320e-03
Nb-103 Pu-241 Thermal 3.981100e-02 1.273950e-02
Nb-103 Pu-241 Fast 3.708600e-02 1.186750e-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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Nb-103 U-235 Thermal 1.908360e-02 3.059230e-03
Nb-103 U-235 Fast 2.431060e-02 5.606140e-03
Nb-103 U-235 High 1.804510e-02 4.146450e-03
Nb-103 U-238 Fast 5.874450e-02 6.493840e-03
Nb-103 U-238 High 3.962380e-02 9.131840e-03
Nb-103 Pu-239 Thermal 2.926470e-02 9.366980e-03
Nb-103 Pu-239 Fast 3.189520e-02 7.337790e-03
Nb-103 Pu-239 High 1.923730e-02 4.422770e-03
Nb-103 Pu-241 Thermal 5.022000e-02 1.155430e-02
Nb-103 Pu-241 Fast 4.766130e-02 1.097660e-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