4
2
He


Basic Info

n-XS summary

element 		Information about Helium-4:

(no NIST x-ray data)(no NIST attenuation data)
WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
Total Cross Section
  • at 0.0253 eV = 759.3 mb
  • Maxwell avg. at 0.0253 eV = 759.3 mb
  • at 14 MeV = 1.052 b
  • Fission spectrum avg. = 3.685 b
  • g-factor = 1.1284
Elastic Scattering Cross Section
  • at 0.0253 eV = 759.3 mb
  • Maxwell avg. at 0.0253 eV = 759.3 mb
  • at 14 MeV = 1.052 b
  • Fission spectrum avg. = 3.685 b
  • g-factor = 1.1284
XS averaged from JENDL3.2 , Courtesy of T.Nakagawa at JAERI