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Table A.2

Rate coefficients for the N+ (3Pj) + H2-ortho (J = 1) reaction for specific j fine structure states and thermalized populations as a function of temperature T.

T j = 0 j = 1 j = 2 Thermal average Experiments
(K) (1) (2)

8 2.79 × 10-12 3.05 × 10-10 2.60 × 10-10 2.92 × 10-12 3.1 × 10-12 2.00 × 10-11
10 8.10 × 10-12 2.86 × 10-10 2.54 × 10-10 8.81 × 10-12
12 1.63 × 10-11 2.71 × 10-10 2.48 × 10-10 1.84 × 10-11 4.2 × 10-11
20 8.79 × 10-11 2.54 × 10-10 2.39 × 10-10 1.01 × 10-10 5.3 × 10-11 8.4 × 10-11
27 1.06 × 10-10 2.21 × 10-10 2.14 × 10-10 1.28 × 10-10 1.3 × 10-10 1.3 × 10-10
30 1.24 × 10-10 2.17 × 10-10 2.11 × 10-10 1.45 × 10-10
40 1.72 × 10-10 2.08 × 10-10 1.99 × 10-10 1.85 × 10-10
45 1.92 × 10-10 2.05 × 10-10 1.94 × 10-10 1.97 × 10-10 2.1 × 10-10 2.6 × 10-10
50 2.11 × 10-10 2.03 × 10-10 1.91 × 10-10 2.06 × 10-10
60 2.42 × 10-10 2.00 × 10-10 1.85 × 10-10 2.18 × 10-10
68 2.64 × 10-10 1.98 × 10-10 1.81 × 10-10 2.23 × 10-10 2.7 × 10-10 3.6 × 10-10
70 2.69 × 10-10 1.97 × 10-10 1.80 × 10-10 2.24 × 10-10
80 2.91 × 10-10 1.96 × 10-10 1.76 × 10-10 2.27 × 10-10
90 3.10 × 10-10 1.95 × 10-10 1.73 × 10-10 2.29 × 10-10
100 3.26 × 10-10 1.94 × 10-10 1.70 × 10-10 2.29 × 10-10
163 3.83 × 10-10 1.89 × 10-10 1.57 × 10-10 2.20 × 10-10 3.7 × 10-10 4.4 × 10-10

Notes. Experimental results are assumed to correspond to thermalized fine structure populations (see text). All values of the rate coefficients are given in cm3 s-1.

Reference. (1) Marquette et al. (1988); (2) Zymak et al. (2013).

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