**Table 3:** Reaction rates (in cm³/s) for the various processes after thermalization in the different ISM phases.
$\begin{table}\begin{displaymath} \begin{array}[b]{lccccc} \hline \hline \mbox... ...box{2.4 $\times$ 10$^{-13}$} \\ \hline \end{array}\end{displaymath}\end{table}$

	1 Introduction
	2 In-flight processes
	3 Processes after thermalization
	4 Annihilation spectra
	5 Summary and conclusions
	References