EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 642 (October 2020) A&A, 642 (2020) A135 Full HTML
Free Access

Table B.1.

Overview of the reaction coefficients for thermal collision reactions.

ID Reaction type Reaction α β γ Ref.
RC1 Charge Exchange C2 + O → C + O2 4.1e−10 0 0 1 (a)
RC2 Charge Exchange C2 + O+ → C + O 4.8e−10 0 0 1 (a)
RC3 Charge Exchange C + C → C+ + C2 1.1e−10 0 0 1 (a)
RC4 Charge Exchange C + CO+ → C+ + CO 1.1e−10 0 0 2 (a)
RC5 Charge Exchange C + O → C+ + O2 5.2e−11 0 0 1 (a)
RC6 Charge Exchange C+ + C2O → C + C2O+ 1e−09 −0.5 0 3 (a)
RC7 Charge Exchange CO + O2 → CO2 + O 5.3e−11 0 0 2 (a)
RC8 Charge Exchange CO + O → CO2 + O+ 9.62e−11 0 0 4 (a)
RC9 Charge Exchange CO + O+ → CO+ + O 4.9e−12 0.5 4580 3 (a)
RC10 Charge Exchange CO+ + C2 → CO + C 8.4e−10 0 0 5 (a)
RC11 Charge Exchange CO+ + CO2 → CO + CO 1e−09 0 0 1 (a)
RC12 Charge Exchange CO+ + O2 → CO + O 1.2e−10 0 0 1 (a)
RC13 Charge Exchange CO+ + O → CO + O+ 1.4e−10 0 0 2 (a)
RC14 Charge Exchange O+ + O2 → O + O 1.9e−11 0 0 6 (a)
RC15 Ion-Neutral C2 + O → CO + CO+ 4.1e−10 0 0 7 (a)
RC16 Ion-Neutral C2 + O+ → C + CO+ 4.8e−10 0 0 7 (a)
RC17 Ion-Neutral C + O2 → CO + CO+ 8e−10 0 0 1 (a)
RC18 Ion-Neutral C + O → C + CO+ 3.1e−10 0 0 3 (a)
RC19 Ion-Neutral C + O → CO+ + O 5.2e−11 0 0 2 (a)
RC20 Ion-Neutral C+ + CO2 → CO + CO+ 1.1e−09 0 0 8 (a)
RC21 Ion-Neutral C+ + O2 → CO + O+ 4.54e−10 0 0 1 (a)
RC22 Ion-Neutral C+ + O2 → CO+ + O 3-.42e−10 0 0 1 (a)
RC23 Ion-Neutral CO2 + O+ → CO + O 9.4e−10 0 0 1 (a)
RC24 Ion-Neutral CO + O → CO + O 1.64e−10 0 0 (a)
RC25 Neutral-Neutral C + CO2 → CO + CO 1e−15 0 0 9 (c)
RC26 Neutral-Neutral C2 + O2 → CO + CO 1.5e−11 0 4300 10 (a)
RC27 Neutral-Neutral C2 + O → C + CO 2e−10 −0.12 0 10 (a)
RC28 Neutral-Neutral C2O + O → CO + CO 8.59e−11 0 0 (a)
RC29 Neutral-Neutral C + C2O → CO + C2 2e−10 0 0 (a)
RC30 Neutral-Neutral C + CO → C2 + O 2.94e−11 0.5 58025 11 (a)
RC31 Neutral-Neutral C + O2 → CO + O 5.56e−11 0.41 −26.9 (a)
RC32 Neutral-Neutral CO2 + O → CO + O2 2.46e−11 0 26567 (a)
RC33 Neutral-Neutral CO + O2 → CO2 + O 4.2e−12 0 24053 (b)
RC34 Neutral-Neutral CO + O → C + O2 1e−16 0 0 12 (c)
RC35 Radiative Association C + C → C2 4.36e−18 0.35 161.3 13 (a)
RC36 Radiative Association C + C+ → C 4.01e−18 0.17 101.5 13 (a)
RC37 Radiative Association C + O → CO 4.69e−19 1.52 −50.5 14 (a)
RC38 Radiative Association C + O+ → CO+ 5e−10 −3.7 800 4 (a)
RC39 Radiative Association C+ + O → CO+ 3.14e−18 −0.15 68 1 (a)
RC40 Radiative Association O + O → O2 4.9e−20 1.58 0 1 (a)

Notes. When possible the original works are referenced.

(a)

Obtained from the UMIST database (McElroy et al. 2013, www.astrochemistry.net).

(b)

Obtained from Cherchneff & Dwek (2009).

(c)

Obtained from Sluder et al. (2018).

References. (1) Prasad & Huntress (1980); (2) Adams et al. (1978); (3) Fehsenfeld & Ferguson (1972); (4) Petuchowski et al. (1989); (5) Copp et al. (1982); (6) Fahey et al. (1981); (7) Oscar Martinez et al. (2008); (8) Viggiano et al. (1980); (9) Mitchell (1984); (10) Smith et al. (2004); (11) Wakelam et al. (2012); (12) Dalgarno et al. (1990); (13) Andreazza & Singh (1997); (14) Singh et al. (1999).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.