55-Cs-148



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state                            
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)
     147.949225137 ± 0.000617890 (amu)  [mass excess = -47296.480 ± 575.562 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     10297.255 ± 579.008 (keV) 
Strong Gamma-rays from Decay of Cs-148 (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 
  ----------------------------------------------------------
        141.7          *100.           B- 
        545.5          * 20.           B- 
        687.2          * 23.           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-           146 MS 6         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0 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)
    -----------------------------------------------------------
     Cs-148    U-235   Thermal   1.307920e-07   8.370670e-08 
     Cs-148    U-235   Fast      4.051630e-07   2.593050e-07 
     Cs-148    U-235   High      1.061450e-07   6.793310e-08 
     Cs-148    U-238   Fast      2.455920e-05   1.571790e-05 
     Cs-148    U-238   High      7.408060e-06   4.741160e-06 
     Cs-148   Pu-239   Thermal   1.509760e-08   9.662480e-09 
     Cs-148   Pu-239   Fast      2.319630e-08   1.484560e-08 
     Cs-148   Pu-239   High      1.931250e-08   1.236000e-08 
     Cs-148   Pu-241   Thermal   1.160190e-06   7.425190e-07 
     Cs-148   Pu-241   Fast      5.705710e-07   3.651650e-07 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Cs-148    U-235   Thermal   1.308030e-07   8.371380e-08 
     Cs-148    U-235   Fast      4.052250e-07   2.593450e-07 
     Cs-148    U-235   High      1.061720e-07   6.783260e-08 
     Cs-148    U-238   Fast      2.457740e-05   1.572490e-05 
     Cs-148    U-238   High      7.413370e-06   4.742420e-06 
     Cs-148   Pu-239   Thermal   1.509850e-08   9.663060e-09 
     Cs-148   Pu-239   Fast      2.319770e-08   1.484650e-08 
     Cs-148   Pu-239   High      1.931670e-08   1.235200e-08 
     Cs-148   Pu-241   Thermal   1.160350e-06   7.423990e-07 
     Cs-148   Pu-241   Fast      5.706590e-07   3.652220e-07 
    -----------------------------------------------------------
    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