Statistical computation of particle lost due to multiple scattering

In experiments with energetic charged particles, multiple scattering by target atoms may cause a significant loss in the number of particles emitted into a given solid angel. The total fractional loss of charged particles from multiple scattering in a thin foil preceding the detector is calculated analytically. The numerical results are given in the form of a universal plot. The results show that both a small solid angle of detection and a large beam diameter will produce a serious particle loss, and that the influences of the two factors on particle loss are not the same