Multiple scattering enhancement of x rays

A Monte Carlo calculation is described for the determination of the contribution of multiple scattering to x rays scattered at 90 deg in various thicknesses of beryllium and carbon plates. The plates are inclined at an angle of 45 deg to the incident radiation. The photon energy range considered is 1 keV to 100 keV. Scatterer thicknesses range from 0.0046 g/cm/sup 2/ to 1.204 g/ cm/sup 2/. Two sets of results are given: one from a formulation neglecting the polarization, the other including polarization. Results are presented in the form of an enhancement factor defined as the ratio of the number of scattered photons escaping from the scatterer at 90 deg to the number escaping at 90 deg after scattering only once. Enhancement factors are given in both tabular and graphical form. (auth