-
Federal
NIST XCOM: Photon Cross Sections Database - SRD 8
National Institute of Standards and Technology —
A web database is provided which can be used to calculate photon cross sections for scattering, photoelectric absorption and pair production, as well as total... -
Federal
NIST X-Ray Form Factor, Attenuation and Scattering Tables - SRD 66
National Institute of Standards and Technology —
This database collects tables and graphs of the form factors, the photoabsorption cross section, and the total attenuation coefficient for any element (Z <= 92)....