41-Nb-101
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)
100.915310254 ± 0.000004160 (amu) [mass excess = -78887.990 ± 3.875 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4628.414 ± 3.738 (keV)
Strong Gamma-rays from Decay of Nb-101 (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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13.49 21. B-
43.52 21. B-
276.1 21. 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 3
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-101 U-235 Thermal 1.913330e-02 7.653320e-04
Nb-101 U-235 Fast 1.355120e-02 4.336410e-03
Nb-101 U-235 High 1.741370e-02 5.572390e-03
Nb-101 U-238 Fast 6.896650e-03 4.413860e-03
Nb-101 U-238 High 1.403450e-02 4.491040e-03
Nb-101 Pu-239 Thermal 3.455220e-02 2.764180e-03
Nb-101 Pu-239 Fast 3.279760e-02 1.049520e-02
Nb-101 Pu-239 High 2.719130e-02 8.701210e-03
Nb-101 Pu-241 Thermal 2.022060e-02 6.470580e-03
Nb-101 Pu-241 Fast 1.854030e-02 5.932870e-03
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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-101 U-235 Thermal 4.989470e-02 9.977370e-04
Nb-101 U-235 Fast 5.041690e-02 4.046060e-03
Nb-101 U-235 High 3.145440e-02 5.026680e-03
Nb-101 U-238 Fast 6.202580e-02 6.818690e-03
Nb-101 U-238 High 5.640340e-02 4.509990e-03
Nb-101 Pu-239 Thermal 5.866490e-02 6.455520e-03
Nb-101 Pu-239 Fast 6.094090e-02 6.705880e-03
Nb-101 Pu-239 High 4.081240e-02 9.382160e-03
Nb-101 Pu-241 Thermal 6.121630e-02 6.734750e-03
Nb-101 Pu-241 Fast 6.387460e-02 7.035370e-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