next up previous

Mass-collision stopping power ratios

In the example given here, electron depth-dose distributions and mass-stopping powers are computed via correlated sampling as a function of depth over a range of angles of incidence.


  
Figure: Restricted mass-collision stopping power ratios ($\Delta $=100 keV) for water:silicon as a function of the angle of incidence (top) and water:air (bottom) compared with a 5.395 MeV electron beam according to ICRU-35 (circles) and the IPEM (triangles)
\begin{figure}\epsfig{file=spratio.eps,width=12cm}\end{figure}