77-Ir-172



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (3+)                  
       1.40000E+02       (7+)                  
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)
     171.970607036 ± 0.000034785 (amu)  [mass excess = -27379.369 ± 32.402 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -6281.889 ± 34.395 (keV) 
Strong Gamma-rays from Decay of Ir-172 (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 
  ----------------------------------------------------------
         89.7          *  0.2        Alpha
        123.2          *  1.08       Alpha
        136.3          *  0.2        Alpha
  ----------------------------------------------------------
        162.1          * 10.12       Alpha
  ----------------------------------------------------------
        227.9             --           EC 
        378.4             --           EC 
        475.0             --           EC 
  ----------------------------------------------------------
        227.8          * 77.           EC 
        378.4          * 47.74         EC 
        448.4          * 31.19         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 
       A            2.19 S 7         
       A            4.4 S 3          
       EC           2.0 S 1          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0