Fig. 1
Partial distribution functions of neutrals, 
for k ranging from 1 to 6, as a function of v| | and for v⊥ = 0. Different panels show the results for different locations downstream: z = 5 × 1014cm (top), 1015 cm (middle), and 5 × 1015 cm (bottom). For comparison, the thick solid lines show the downstream distribution of ions.
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