61-Pm-156



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state(+X)  4-                    
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)
     155.931117516 ± 0.000003898 (amu)  [mass excess = -64163.620 ± 3.631 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     5199.086 ± 10.035 (keV) 
Strong Gamma-rays from Decay of Pm-156 (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 
  ----------------------------------------------------------
        117.42           13.8          B- 
        173.75           52.           B- 
       1147.84           20.5          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-           26.70 S 10       
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)
    -----------------------------------------------------------
     Pm-156    U-235   Thermal   7.052770e-05   4.513770e-05 
     Pm-156    U-235   Fast      8.696040e-05   5.565470e-05 
     Pm-156    U-235   High      2.566120e-04   1.642320e-04 
     Pm-156    U-238   Fast      2.265640e-04   1.450010e-04 
     Pm-156    U-238   High      5.868480e-04   3.755830e-04 
     Pm-156   Pu-239   Thermal   6.212520e-04   3.976010e-04 
     Pm-156   Pu-239   Fast      7.244620e-04   4.636560e-04 
     Pm-156   Pu-239   High      5.390900e-04   3.450180e-04 
     Pm-156   Pu-241   Thermal   8.603180e-04   5.506040e-04 
     Pm-156   Pu-241   Fast      1.260240e-03   8.065560e-04 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Pm-156    U-235   Thermal   1.178800e-04   5.312800e-05 
     Pm-156    U-235   Fast      1.790740e-04   4.127240e-05 
     Pm-156    U-235   High      2.898210e-04   1.852140e-04 
     Pm-156    U-238   Fast      7.485130e-04   5.986020e-05 
     Pm-156    U-238   High      1.057400e-03   2.429390e-04 
     Pm-156   Pu-239   Thermal   7.826480e-04   5.008950e-04 
     Pm-156   Pu-239   Fast      8.819170e-04   5.644270e-04 
     Pm-156   Pu-239   High      5.750330e-04   3.677820e-04 
     Pm-156   Pu-241   Thermal   1.609770e-03   2.575230e-04 
     Pm-156   Pu-241   Fast      2.096380e-03   1.341680e-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