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Table D.4
Coefficients for the molecular recombination reactions.
| ID | Reaction type | Reaction | α | β | Ea | Ref. | ||
|---|---|---|---|---|---|---|---|---|
| RR1 | Dissociate recombination | CO+ + e− | → | C + O + hv | 2.36e-12 | -0.29 | -17.6 | (1) |
| RR2 | Dissociate recombination |  |
→ | CO + O + hv | 3.8e-07 | -0.5 | 0 | (1) |
| RR3 | Dissociate recombination |  |
→ | C + C + hv | 3e-07 | -0.5 | 0 | (1) |
| RR4 | Dissociate recombination | C2O+ + e− | → | CO + O + hv | 3e-07 | -0.5 | 0 | (2) |
| RR5 | Dissociate recombination |  |
→ | O + O + hv | 1.95e-07 | -0.7 | 0 | (3) |
| RR6 | Dissociate recombination |  |
→ | S + S + hv | 2e-07 | -0.5 | 0 | (4) |
| RR7 | Dissociate recombination | SiO+ + e− | → | Si + O + hv | 2e-07 | -0.5 | 0 | (4) |
| RR8 | Dissociate recombination | SiS+ + e− | → | Si + S + hv | 2e-07 | -0.5 | 0 | (4) |
| RR9 | Dissociate recombination | SO+ + e− | → | S + O + hv | 2e-07 | -0.5 | 0 | (4) |
Notes. When possible the original works are referenced. The coefficients were obtained from the UMIST database (McElroy et al. 2013, www.astrochemistry.net).
References. (1) Brian & Mitchell (1990); (2) Alge et al. (1983); McElroy et al. (2013); (4) Prasad & W. T. (1980)
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