83-Bi-208



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5+                    
       1.57110E+03       10-                   
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)
     207.979742530 ± 0.000002527 (amu)  [mass excess = -18869.711 ± 2.354 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -1400.559 ± 2.397 (keV) 
Strong Gamma-rays from Decay of Bi-208 (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 
  ----------------------------------------------------------
        510.3            73.53         IT 
        650.1            23.53         IT 
        921.0            98.04         IT 
  ----------------------------------------------------------
       2614.5            99.78         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           3.68E+5 Y 4      
       IT           2.58 MS 4        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Bi-209 (Z= 83, A=209), MT= 16 (n,2n)