61-Pm-140



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1+                    
       ground state(+X)  8-                    
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)
     139.916039639 ± 0.000037997 (amu)  [mass excess = -78208.572 ± 35.394 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -2752.638 ± 37.536 (keV) 
Strong Gamma-rays from Decay of Pm-140 (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 
  ----------------------------------------------------------
        419.57           92.           EC 
        773.74          100.           EC 
       1028.19          100.           EC 
  ----------------------------------------------------------
        477.1             2.56         EC 
        773.8             5.02         EC 
       1204.8             1.86         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 
       EC           5.95 M 5         
       EC           9.2 S 2          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0