44-Ru-99



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)
     98.905934082 ± 0.000001129 (amu)  [mass excess = -87621.838 ± 1.052 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -2043.844 ± 6.691 (keV) 
Cross Sections (taken from JENDL-4.0)
     Table of cross sections, Ru-99.
     Figures of cross sections, Ru-99:  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
     Ru- 98 (Z= 44, A= 98), MT=102 (n,γ)
     Ru- 99 (Z= 44, A= 99), MT=  2 (Elastic scattering)
     Ru- 99 (Z= 44, A= 99), MT=  4 (Inelastic scattering)
     Ru-100 (Z= 44, A=100), MT= 16 (n,2n)
     Ru-101 (Z= 44, A=101), MT= 17 (n,3n)
     Pd-102 (Z= 46, A=102), MT=107 (n,α)
     Pd-104 (Z= 46, A=104), MT= 24 (n,2nα)

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)
    -----------------------------------------------------------
     Ru- 99    U-235   Thermal   1.098250e-14   7.028800e-15 
     Ru- 99    U-235   High      2.883950e-10   1.845730e-10 
     Ru- 99    U-238   High      2.092280e-13   1.339060e-13 
     Ru- 99   Pu-239   Thermal   8.608640e-12   5.509530e-12 
     Ru- 99   Pu-239   Fast      4.579260e-12   2.930730e-12 
     Ru- 99   Pu-239   High      7.324750e-09   4.687840e-09 
     Ru- 99   Pu-241   Thermal   1.720280e-14   1.100980e-14 
     Ru- 99   Pu-241   Fast      1.169120e-14   7.482370e-15 
    -----------------------------------------------------------
    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)
    -----------------------------------------------------------
     Ru- 99    U-235   Thermal   6.138690e-02   6.803700e-04 
     Ru- 99    U-235   Fast      5.977620e-02   3.449250e-04 
     Ru- 99    U-235   High      5.163690e-02   1.465000e-03 
     Ru- 99    U-238   Fast      6.258590e-02   9.033900e-04 
     Ru- 99    U-238   High      5.766620e-02   8.367800e-04 
     Ru- 99   Pu-239   Thermal   6.232890e-02   8.950420e-04 
     Ru- 99   Pu-239   Fast      6.003010e-02   1.213920e-03 
     Ru- 99   Pu-239   High      4.766160e-02   1.906980e-03 
     Ru- 99   Pu-241   Thermal   6.003160e-02   1.261940e-03 
     Ru- 99   Pu-241   Fast      5.570090e-02   2.249470e-03 
    -----------------------------------------------------------
    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