Energy Deposition of Fast Particles in a Fully Ionized Deuterium - Tritium Plasma

Abstract

The charged-particle-transport equation, in the absence of large-angle scattering and angular dispersion, has been analytically solved for three source distributions in one-dimensional spherical geometry for a homogeneous medium. Energy deposition profiles to ions and electrons for 3.5 Mev particles slowing down in a plasma have been computed for the bench-mark problem of a central isotropic time-independent source distribution. These profiles have been compared with those obtained by using two discrete-ordinates computer codes. Significant differences are found near the peaks and sharp cut-off points of the energy deposition profiles.