Basic Info

n-XS summary


element
Information about Plutonium-239:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

Total Cross Section
  • at 0.0253 eV = 1026 b
  • Maxwell avg. at 0.0253 eV = 980.2 b
  • at 14 MeV = 5.990 b
  • Fission spectrum avg. = 7.712 b
  • g-factor = 1.0784
Elastic Scattering Cross Section
  • at 0.0253 eV = 7.968 b
  • Maxwell avg. at 0.0253 eV = 7.787 b
  • at 14 MeV = 2.984 b
  • Fission spectrum avg. = 4.394 b
  • g-factor = 1.1027
Total Inelastic Cross Section
  • at 14 MeV = 366.3 mb
  • Fission spectrum avg. = 1.460 b
(n, 2n) Cross Section
  • at 14 MeV = 290.1 mb
  • Fission spectrum avg. = 4.045 mb
(n, 3n) Cross Section
  • at 14 MeV = 11.50 mb
  • Fission spectrum avg. = 2.762 micro barn
Total Fission Cross Section
  • at 0.0253 eV = 747.4 b
  • Maxwell avg. at 0.0253 eV = 698.3 b
  • Resonance integral = 302.5 b
  • at 14 MeV = 2.338 b
  • Fission spectrum avg. = 1.800 b
  • g-factor = 1.0542
(n, 4n) Cross Section
  • Fission spectrum avg. = 1.762460e-10 b
Radiative Capture Cross Section
  • at 0.0253 eV = 270.3 b
  • Maxwell avg. at 0.0253 eV = 274.2 b
  • Resonance integral = 181.5 b
  • at 14 MeV = 0.007930 micro barn
  • Fission spectrum avg. = 52.94 mb
  • g-factor = 1.1445
XS averaged from JENDL3.2 , Courtesy of T.Nakagawa at JAERI