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Table 9

Branching ratios for nondissociative and dissociative ionization (I-DI) of CH3 and CH2 by fast electrons.

Reaction Model 1 Model 2 HYDKIN
CH + e
1 0.479 0.535 0.567

2 0.382 0.333 0.285
CH+∕H2 0.035 0.030 0.081
0.0005 0.0004
0.002 0.002 0.005
0.001 0.001 0.003

7 C+∕H2∕H 0.006 0.060 0.010
CH+∕H/H 0.040 0.040 0.014
H+∕C/H2 0.011 0.011 0.018
H+∕CH/H 0.034 0.034 0.013
0.004 0.004 0.001

12 C+∕H/H/H 0.004 0.004 0.002
H+∕H/H/C 0.001 0.001

CH + e
1 0.479 0.616 0.645

2 C+∕H2 0.086 0.095 0.028
CH+∕H 0.219 0.242 0.248
H+∕CH 0.007 0.003 0.026
0.001 0.000 0.041

6 C+∕H/H 0.087 0.029 0.004
H+∕C/H 0.043 0.014 0.005

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