61-Pm-146



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      3-                    
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)
     145.914702396 ± 0.000004771 (amu)  [mass excess = -79454.206 ± 4.445 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     1542.000 ± 3.000 (keV) 
Strong Gamma-rays from Decay of Pm-146 (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 
  ----------------------------------------------------------
        633.25            2.15         B- 
        747.24           33.99         B- 
        453.88           65.01         EC 
        589.8             0.42         EC 
        735.93           22.49         EC 
  ----------------------------------------------------------
     *: 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-           5.53 Y 5         
       EC           5.53 Y 5         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Pm-147 (Z= 61, A=147), MT= 16 (n,2n)
     Pm-148 (Z= 61, A=148), MT= 17 (n,3n)
     Pm-148 (Z= 61, A=148), MT= 17 (n,3n)
     Sm-147 (Z= 62, A=147), MT= 28 (n,np)
     Sm-147 (Z= 62, A=147), MT=104 (n,d)
     Sm-148 (Z= 62, A=148), MT= 32 (n,nd)
     Sm-148 (Z= 62, A=148), MT= 41 (n,2np)
     Sm-148 (Z= 62, A=148), MT=105 (n,t)
     Sm-149 (Z= 62, A=149), MT= 33 (n,nt)
     Eu-151 (Z= 63, A=151), MT= 24 (n,2nα)

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-146    U-235   Thermal   4.492840e-12   2.875420e-12 
     Pm-146    U-235   Fast      7.215110e-14   4.617670e-14 
     Pm-146    U-235   High      9.432930e-09   6.037080e-09 
     Pm-146    U-238   High      3.994350e-12   2.556380e-12 
     Pm-146   Pu-239   Thermal   7.888750e-11   5.048810e-11 
     Pm-146   Pu-239   Fast      1.739720e-10   1.113420e-10 
     Pm-146   Pu-239   High      3.232100e-07   2.068540e-07 
     Pm-146   Pu-241   Thermal   1.090180e-13   6.977120e-14 
     Pm-146   Pu-241   Fast      5.246060e-13   3.357480e-13 
    -----------------------------------------------------------
    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-146    U-235   Thermal   4.492840e-12   2.875420e-12 
     Pm-146    U-235   Fast      7.215110e-14   4.617670e-14 
     Pm-146    U-235   High      9.432930e-09   6.028140e-09 
     Pm-146    U-238   High      3.994350e-12   2.553610e-12 
     Pm-146   Pu-239   Thermal   7.888750e-11   5.048810e-11 
     Pm-146   Pu-239   Fast      1.739720e-10   1.113420e-10 
     Pm-146   Pu-239   High      3.232100e-07   2.067200e-07 
     Pm-146   Pu-241   Thermal   1.090180e-13   6.975990e-14 
     Pm-146   Pu-241   Fast      5.246060e-13   3.357480e-13 
    -----------------------------------------------------------
    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