Table A.3
Rate coefficients for the N+ (3Pj) + para -H2 reaction for specific j fine structure states and thermalized populations as a function of temperature T.
| N+ | j = 0 | j = 1 | j = 2 | Thermal average | Thermal average | Experiments | |
| H2 | J = 0 | J = 0 | J = 0 | J = 0 | Thermal average | ||
| T (K) | (1) | (2) | |||||
|
|
|||||||
| 8 | 6.22 × 10-22 | 1.35 × 10-18 | 2.32 × 10-12 | 1.87 × 10-21 | 1.87 × 10-21 | 3.92 × 10-22 | |
| 12 | 5.74 × 10-18 | 6.69 × 10-16 | 7.95 × 10-12 | 1.70 × 10-17 | 1.70 × 10-17 | 5.70 × 10-18 | |
| 20 | 8.49 × 10-15 | 9.57 × 10-14 | 2.16 × 10-11 | 2.34 × 10-14 | 2.34 × 10-14 | < 1 × 10-12 | 1.23 × 10-14 |
| 28 | 1.91 × 10-13 | 8.08 × 10-13 | 3.35 × 10-11 | 4.68 × 10-13 | 4.68 × 10-13 | 2.7 × 10-11 | 2.5 × 10-13 |
| 32 | 4.99 × 10-13 | 1.58 × 10-12 | 3.87 × 10-11 | 1.15 × 10-12 | 1.15 × 10-12 | ||
| 40 | 1.87 × 10-12 | 4.00 × 10-12 | 4.76 × 10-11 | 3.88 × 10-12 | 3.90 × 10-12 | ||
| 45 | 3.20 × 10-12 | 5.7 × 10-12 | 5.2 × 10-11 | 6.5 × 10-12 | 8.42 × 10-12 | 2.0 × 10-11 | 1.0 × 10-11 |
| 60 | 9.93 × 10-12 | 1.33 × 10-11 | 6.33 × 10-11 | 1.67 × 10-11 | 1.75 × 10-11 | ||
| 68 | 1.42 × 10-11 | 1.73 × 10-11 | 6.75 × 10-11 | 2.26 × 10-11 | 2.46 × 10-11 | 6.6 × 10-11 | 3.85 × 10-11 |
| 80 | 2.07 × 10-11 | 2.28 × 10-11 | 7.18 × 10-11 | 3.06 × 10-11 | 3.62 × 10-11 | ||
| 100 | 3.02 × 10-11 | 2.98 × 10-11 | 7.53 × 10-11 | 4.06 × 10-11 | 5.78 × 10-11 | ||
| 160 | 4.41 × 10-11 | 3.77 × 10-11 | 7.13 × 10-11 | 5.07 × 10-11 | 1.20 × 10-10 | 3.0 × 10-10 | 2.1 × 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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