Table 3

Reaction rate coefficients for electron recombination of H2O+ and H3O+ from Plessis (2010) and for NH from Öjekull et al. (2004).

Ion a(10−7 cm3 s−1) b
H2O+ 3.34 0.77
NH 9.38 0.60
H3O+ 8.00 0.90

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