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)
     108.913325956 ± 0.000009634 (amu)  [mass excess = -80736.351 ± 8.975 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     4263.574 ± 9.845 (keV) 
Strong Gamma-rays from Decay of Ru-109 (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 
        206.29           22.           B- 
        225.98           19.58         B- 
       1929.05           13.64         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-           34.5 S 5         
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)
     Ru-109    U-235   Thermal   5.011110e-06   3.207110e-06 
     Ru-109    U-235   Fast      1.049830e-05   6.718940e-06 
     Ru-109    U-235   High      7.596500e-04   4.861770e-04 
     Ru-109    U-238   Fast      4.156950e-07   2.660450e-07 
     Ru-109    U-238   High      3.513780e-04   2.248820e-04 
     Ru-109   Pu-239   Thermal   2.917410e-03   1.867140e-03 
     Ru-109   Pu-239   Fast      2.183060e-03   1.397160e-03 
     Ru-109   Pu-239   High      2.421420e-03   1.549710e-03 
     Ru-109   Pu-241   Thermal   3.600180e-03   2.304120e-03 
     Ru-109   Pu-241   Fast      3.665680e-03   2.346040e-03 
     Ru-109m   U-235   Thermal   1.209160e-05   7.738660e-06 
     Ru-109m   U-235   Fast      2.941920e-05   1.882830e-05 
     Ru-109m   U-235   High      3.484210e-03   2.229890e-03 
     Ru-109m   U-238   Fast      1.164890e-06   7.455320e-07 
     Ru-109m   U-238   High      1.611630e-03   1.031440e-03 
     Ru-109m  Pu-239   Thermal   7.039610e-03   4.505350e-03 
     Ru-109m  Pu-239   Fast      6.117560e-03   3.915230e-03 
     Ru-109m  Pu-239   High      1.110610e-02   7.107890e-03 
     Ru-109m  Pu-241   Thermal   8.687130e-03   5.559760e-03 
     Ru-109m  Pu-241   Fast      1.027230e-02   6.574260e-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)
     Ru-109    U-235   Thermal   2.985300e-04   1.910590e-04 
     Ru-109    U-235   Fast      7.814040e-04   5.000990e-04 
     Ru-109    U-235   High      7.852080e-03   5.025330e-03 
     Ru-109    U-238   Fast      2.511740e-03   1.607510e-03 
     Ru-109    U-238   High      9.527080e-03   6.097310e-03 
     Ru-109   Pu-239   Thermal   7.007030e-03   4.484500e-03 
     Ru-109   Pu-239   Fast      4.088200e-03   2.616450e-03 
     Ru-109   Pu-239   High      8.923070e-03   5.710780e-03 
     Ru-109   Pu-241   Thermal   1.663110e-02   1.064390e-02 
     Ru-109   Pu-241   Fast      1.205380e-02   7.714380e-03 
     Ru-109m   U-235   Thermal   1.266580e-05   7.770330e-06 
     Ru-109m   U-235   Fast      3.095790e-05   1.892490e-05 
     Ru-109m   U-235   High      3.499580e-03   2.226680e-03 
     Ru-109m   U-238   Fast      6.378320e-06   4.082130e-06 
     Ru-109m   U-238   High      1.635290e-03   1.030640e-03 
     Ru-109m  Pu-239   Thermal   7.041100e-03   4.506010e-03 
     Ru-109m  Pu-239   Fast      6.119100e-03   3.915800e-03 
     Ru-109m  Pu-239   High      1.111360e-02   7.103290e-03 
     Ru-109m  Pu-241   Thermal   8.696870e-03   5.558870e-03 
     Ru-109m  Pu-241   Fast      1.027780e-02   6.577810e-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