Abstract
There are many cases where energy is deposited by fast hadrons into a gaseous target consisting of a variety of components. Examples include, but are not restricted to, planetary atmospheres [1], reactor plasmas [2,3], liquid crystals [4], and intergalactic space [5]. In all of these systems, although they differ widely in density (n), the incoming projectile will deposit energy into some mixture of atoms, molecules, their ions, and electrons.
Highlights
In the simplest case, that of Bethe stopping [1], the stopping cross section of each component i can be written: Si (v)
The stopping power of a target containing a mixture of components is given, according to the Bragg rule [7] as a sum of the stopping powers of the target components mix i = components
Representative results for Ne are shown in the following table
Summary
That of Bethe stopping [1], the stopping cross section of each component i can be written: Si (v). Where Z1 is the projectile charge and Z2 is the target electron number. Li (v) is the stopping number of component i, given by The second term is the shell corrections. The mean excitation energy of component i, I
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