57-La-127



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (11/2-)               
       1.48000E+01       (3/2+)                
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)
     126.916375084 ± 0.000027912 (amu)  [mass excess = -77896.108 ± 26.000 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -5916.772 ± 38.857 (keV) 
Strong Gamma-rays from Decay of La-127 (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 
  ----------------------------------------------------------
       1881.0             --           B+ 
       2057.9             --           B+ 
       2271.6             --           B+ 
  ----------------------------------------------------------
         25.0             3.           B+ 
         56.2            12.5          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+           3.7 M 4          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0