51-Sb-121



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      5/2+                  
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)
     120.903811967 ± 0.000003009 (amu)  [mass excess = -89598.575 ± 2.803 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -1054.306 ± 25.769 (keV) 
Strong Gamma-rays from Decay of Sb-121 (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 
  ----------------------------------------------------------
        348.0          * 84.           IT 
        375.0          * 98.           IT 
        909.8          *100.           IT 
  ----------------------------------------------------------
     *: relative, ~ approximate, ? calculated or estimatted 
     >: greater than or equal to, <: less than or equal to  
  [ Intensities; total intensity of the nuclide is 100(%). ]
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Sb-121.
     Figures of cross sections, Sb-121:  type-1:  type-2:  type-3.
       type-1: total, elastic and inelastic scattering, capture and fision cross sections
       type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
       type-3: threshold reaction cross sections
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Sb-121 (Z= 51, A=121), MT=  2 (Elastic scattering)
     Sb-121 (Z= 51, A=121), MT=  4 (Inelastic scattering)
     Sb-123 (Z= 51, A=123), MT= 17 (n,3n)
     Te-122 (Z= 52, A=122), MT= 28 (n,np)
     Te-122 (Z= 52, A=122), MT=104 (n,d)
     Te-123 (Z= 52, A=123), MT= 32 (n,nd)
     Te-123 (Z= 52, A=123), MT=105 (n,t)

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)
    -----------------------------------------------------------
     Sb-121    U-235   Thermal   3.524390e-11   1.127800e-11 
     Sb-121    U-235   Fast      4.760170e-10   3.046510e-10 
     Sb-121    U-235   High      7.169830e-08   4.588690e-08 
     Sb-121    U-238   Fast      4.871810e-12   3.117960e-12 
     Sb-121    U-238   High      3.353650e-10   2.146340e-10 
     Sb-121   Pu-239   Thermal   2.719580e-09   8.702630e-10 
     Sb-121   Pu-239   Fast      3.999350e-08   2.559580e-08 
     Sb-121   Pu-239   High      3.882520e-06   2.484810e-06 
     Sb-121   Pu-241   Thermal   1.450240e-10   9.281490e-11 
     Sb-121   Pu-241   Fast      8.463640e-10   5.416730e-10 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Sb-121    U-235   Thermal   1.302470e-04   7.830570e-06 
     Sb-121    U-235   Fast      3.673120e-04   2.945920e-05 
     Sb-121    U-235   High      1.055310e-02   4.218050e-04 
     Sb-121    U-238   Fast      3.692530e-04   2.954180e-05 
     Sb-121    U-238   High      8.339680e-03   3.334240e-04 
     Sb-121   Pu-239   Thermal   3.780010e-04   3.024610e-05 
     Sb-121   Pu-239   Fast      6.307390e-04   6.939570e-05 
     Sb-121   Pu-239   High      1.445460e-02   1.155770e-03 
     Sb-121   Pu-241   Thermal   2.588200e-04   8.282230e-05 
     Sb-121   Pu-241   Fast      9.151000e-04   1.465520e-04 
    -----------------------------------------------------------
    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