ABSTRACT
TABLE 105.2 Attachment Cross Sections for C2H2Br4 Energy (meV) Qa (10−20 m2) Energy (meV) Qa (10−20 m2)
1.00 640 50.0 85.5
2.00 450 55.0 81.2
3.00 361 60.0 77.7
4.00 313 65.0 74.7
6.00 262 70.0 72.1
8.00 223 75.0 69.7
10.0 204 80.0 67.6
15.0 160 85.0 65.5
20.0 141 90.0 63.5
25.0 127 95.0 61.5
30.0 115 100 59.6
35.0 105 150 39.0
40.0 97.2 200 33.4
45.0 90.7 250 26.6
continued
TABLE 105.1 Attachment Rate Coefficients for C2H2Br4
Method Temperature,
K, (eV) Rate
(10−13 m3/s) Reference
Swarm 293 0.95 Barszczewska et al. (2004)
PR/MW 293 1.2 Sunagawa and Shimamori (1995)
(0.04) 1.1
(0.1) 0.77
(0.4) 0.40
(1.0) 0.24
TPI 293 0.69 Alajajian et al. (1988)
Swarm 293 0.18 Blaunstein and Christophorou (1968)
Note:PR/MW = pulse radiolysis/microwave heating; TPI = threshold photoionization.
