Modeling the structure of the dayside Venusian ionosphere: Impacts of protonation and Coulomb interaction

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Table B.1

Compilation of photon impact processes*

No.	Parent	Products	Threshold eV	Reference
1	CO₂	CO + O	5.46	Huebner & Mukherjee (2015)
2	CO₂	CO + O(¹D)	7.42	Huebner & Mukherjee (2015)
3	CO₂	CO + O(¹S)	9.71	Lawrence (1972)
4	CO₂	C + O₂	11.44	Lo et al. (2021)
5	CO₂	${CO}_{2}^{+} + e$ ${\rm{CO}}_2^ + + {\rm{e}}$	13.78	Huebner & Mukherjee (2015)
6	CO₂	O⁺(⁴S) + CO + e	19.07	Huebner & Mukherjee (2015)
7	CO₂	CO⁺ + O + e	19.47	Huebner & Mukherjee (2015)
8	CO₂	C⁺ + O₂ + e	27.82	Huebner & Mukherjee (2015)
9	CO₂	O⁺(⁴S) + CO⁺ + 2e	33.08	Masuoka (1994)
10	CO₂	C⁺ + O⁺(⁴S) + O + 2e	41.43	Masuoka (1994)
11	CO	C+O	11.48	Huebner & Mukherjee (2015)
12	CO	C(¹S)+ O	13.79	Guan et al. (2021)
13	CO	C(¹D) + O(¹D)	14.37	Huebner & Mukherjee (2015)
14	CO	CO⁺ + e	14.01	Masuoka & Nakamura (1993)
15	CO	C⁺ + O + e	22.37	Masuoka & Nakamura (1993)
16	CO	O⁺(⁴S) + C + e	24.65	Masuoka & Nakamura (1993)
17	CO	C⁺ + O⁺(⁴S) + 2e	35.98	Masuoka & Nakamura (1993)
18	N₂	N + N(²D)	12.14	Heays et al. (2017); Fox (2007a)
19	N₂	N + N(²P)	13.33	Heays et al. (2017); Fox (2007a)
20	N₂	N(²D) + N(²D)	14.52	Heays et al. (2017); Fox (2007a)
21	N₂	N(²D) + N(²P)	15.70	Heays et al. (2017); Fox (2007a)
22	N₂	N(²P) + N(²P)	16.90	Heays et al. (2017); Fox (2007a)
23	N₂	$N_{2}^{+} + e$ ${\rm{N}}_2^ + + {\rm{e}}$	15.58	Samson et al. (1987)
24	N₂	N⁺ + N + e	24.34	Samson et al. (1987)
25	H₂	H + H	4.47	Heays et al. (2017)
26	H₂	$H_{2}^{+} + e$ ${\rm{H}}_2^ + + {\rm{e}}$	15.43	Chung et al. (1993)
27	H₂	H⁺ + H + e	18.13	Chung et al. (1993)
28	H₂	H⁺ + H⁺ + 2e	51.4	Dujardin et al. (1987)
29	O₂	O+O	6.21	Huebner & Mukherjee (2015)
30	O₂	O + O(¹D)	7.07	Huebner & Mukherjee (2015)
31	O₂	O(¹S) + O(¹S)	13.56	Huebner & Mukherjee (2015)
32	O₂	$O_{2}^{+} + e$ ${\rm{O}}_2^ + + {\rm{e}}$	12.05	Stolte et al. (1998)
33	O₂	O⁺(⁴S) + O + e	23.13	Stolte et al. (1998)
34	NO	N+O	6.16	Heays et al. (2017)
35	NO	NO⁺ + e	9.26	Samson et al. (1985)
36	NO	O⁺(⁴S) + N + e	20.19	Samson et al. (1985)
37	NO	N⁺ + O + e	21.26	Samson et al. (1985)
38	H	H⁺ + e	13.6	Heays et al. (2017)
39	O	O⁺(⁴S)+e	13.61	Angel & Samson (1988)
40	O	O⁺(²D)+e	16.93	Angel & Samson (1988)
41	O	O⁺(²P)+e	18.63	Angel & Samson (1988)
42	O(¹D)	O⁺(²D)+e	14.97	Huebner & Mukherjee (2015)
43	O(¹S)	O⁺(⁴S)+e	9.43	Huebner & Mukherjee (2015)
44	C	C⁺ + e	11.26	Verner et al. (1996)
45	C(¹D)	C⁺ + e	9.95	Huebner & Mukherjee (2015)
46	C(¹S)	C⁺ + e	8.63	Huebner & Mukherjee (2015)
47	N	N⁺ + e	14.53	Verner et al. (1996)
48	Ar	Ar⁺ + e	15.76	Verner et al. (1996)
49	He	He⁺ + e	24.59	Verner et al. (1996)

^* Photoionization and photodissociation channels included in our model, along with the respective threshold energies and source references for cross-section.

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