242
95
Am


Basic Info

n-XS summary

element 		Information about Americium-242:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
Total Cross Section
  • at 0.0253 eV = 7611 b
  • Maxwell avg. at 0.0253 eV = 6747 b
  • at 14 MeV = 5.906 b
  • Fission spectrum avg. = 7.758 b
  • g-factor = 1.0003
Elastic Scattering Cross Section
  • at 0.0253 eV = 11.44 b
  • Maxwell avg. at 0.0253 eV = 11.44 b
  • at 14 MeV = 2.807 b
  • Fission spectrum avg. = 4.561 b
  • g-factor = 1.1287
Total Inelastic Cross Section
  • at 14 MeV = 402.3 mb
  • Fission spectrum avg. = 1.228 b
(n, 2n) Cross Section
  • at 14 MeV = 130.8 mb
  • Fission spectrum avg. = 4.387 mb
(n, 3n) Cross Section
  • at 14 MeV = 139.0 mb
  • Fission spectrum avg. = 17.94 micro barn
Total Fission Cross Section
  • at 0.0253 eV = 2100 b
  • Maxwell avg. at 0.0253 eV = 1861 b
  • Resonance integral = 1258 b
  • at 14 MeV = 2.427 b
  • Fission spectrum avg. = 1.756 b
  • g-factor = 1.0002
Radiative Capture Cross Section
  • at 0.0253 eV = 5500 b
  • Maxwell avg. at 0.0253 eV = 4872 b
  • Resonance integral = 390.5 b
  • at 14 MeV = 4.487 micro barn
  • Fission spectrum avg. = 206.6 mb
  • g-factor = 0.9996
Meta stable state cross sections
Total Cross Section
  • at 0.0253 eV = 7669 b
  • Maxwell avg. at 0.0253 eV = 7466 b
  • at 14 MeV = 5.914 b
  • Fission spectrum avg. = 7.759 b
  • g-factor = 1.0986
Elastic Scattering Cross Section
  • at 0.0253 eV = 5.667 b
  • Maxwell avg. at 0.0253 eV = 6.294 b
  • at 14 MeV = 2.807 b
  • Fission spectrum avg. = 4.528 b
  • g-factor = 1.2532
Total Inelastic Cross Section
  • at 14 MeV = 282.3 mb
  • Fission spectrum avg. = 1.271 b
(n, 2n) Cross Section
  • at 14 MeV = 130.8 mb
  • Fission spectrum avg. = 4.387 mb
(n, 3n) Cross Section
  • at 14 MeV = 139.0 mb
  • Fission spectrum avg. = 17.94 micro barn
Total Fission Cross Section
  • at 0.0253 eV = 6409 b
  • Maxwell avg. at 0.0253 eV = 6235 b
  • Resonance integral = 1561 b
  • at 14 MeV = 2.550 b
  • Fission spectrum avg. = 1.838 b
  • g-factor = 1.0977
Radiative Capture Cross Section
  • at 0.0253 eV = 1254 b
  • Maxwell avg. at 0.0253 eV = 1225 b
  • Resonance integral = 246.0 b
  • at 14 MeV = 0.8663 micro barn
  • Fission spectrum avg. = 116.4 mb
  • g-factor = 1.1028
XS averaged from JENDL3.2 , Courtesy of T.Nakagawa at JAERI