41-Nb-101



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       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 
  ----------------------------------------------------------
         13.49           21.           B- 
         43.52           21.           B- 
        276.1            21.           B- 
  ----------------------------------------------------------
     *: 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)
    -----------------------------------------------------------
     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 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     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 
    -----------------------------------------------------------
    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