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Table 7

Branching ratios for dissociative excitation (DE) of CHy by fast electrons.

Reaction Model(± err.) HYDKYN 2008
CH2 + e
CH/H 0.12 (0.04) 0.90
C/H2 0.04 (0.02) 0.08
C/H/H 0.84 (0.05) 0

CH3 + e
CH2∕H 0.12 (0.04) 0.79
CH/H2 0.03 (0.01) 0.14
CH/H/H 0.24 (0.06) 0.03
C/H/H2 0.12 (0.04) 0.04
C/H/H/H 0.49 (0.08) 0

CH4 + e
CH3∕H 0.15 (0.04) 0.70
CH2∕H2 0.04 (0.03) 0.14
CH2/H/H 0.18 (0.05) 0.06
CH/H2/H 0.07 (0.03) 0.07
C/H2∕H2 0.00 (0.01) 0.02
CH/H/H/H 0.15 (0.01) 0
C/H2/H/H 0.14 (0.05) 0.01
C/H/H/H/H 0.27 (0.10) 0

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