ABSTRACT
Total scattering C S 05-370 Szmytkowski et al. (2003)
Elastic and momentum transfer C S
1-30 Gulley et al. (1993)
Attachment C S 0-13 Rao and Srivastava (1993)
Total scattering C S 10-5000 Jain and Baluja (1992)
Total scattering C S 75-4000 Zecca et al. (1992)
Characteristic energy (5-200) Millican and Walker (1987)
Total scattering C S 13-70 Szmytkowski and Macia˛g (1986)
Differential scattering C S 0-4 Rohr (1978)
Attachment C S 0-12 Azria et al. (1972)
Attachment energy 0-5 Fiquet-Fayard et al. (1972)
Attachment coefficient (15-66) Bradbury and Tatel (1934)
Note:Bold font indicates experimental study C S: cross section
Gulley et al (1993) have measured the cross sections in the range from 1 to 30 eV as shown in Table 324 and Figure 322
Lindsay et al(2003) as shown in Table 325 and Figure 323 The fragments of ionization are H2S+, HS+, S+, and H+
Total Scattering Cross S
Energy (eV) QT (10−20 m2) Energy (eV) QT (10−20 m2)
10 320 40 204
12 284 45 191
15 251 50 182
17 259 60 173
20 291 70 161
25 318 80 150
30 317 90 140
35 313 100 131
40 312 120 117
45 316 150 103
50 325 170 957
60 355 200 871
70 387 250 761
80 399 300 679
90 398 350 614
10 390 400 561
12 364 450 517
15 321 500 480
17 309 600 420
20 300 700 374
25 280 800 337
30 250 900 306
35 221 1000 281
Source:Adapted from Karwasz, G, RBrusa, and AZecca, Interactions of Photons and Electrons with Molecules, Vol17c, Springer-Verlag, New York, NY, 2003, Chapter 6
Q T (1
m 2 )
10 Total scattering
1 10 Energy (eV)
100 1000
Hydrogen sulfide (H2S)
TABLE 32.4 Elastic Scattering and Momentum Transfer Cross Sections for H2S
Energy (eV)
Qel (10−20 m2)
QMT (10−20 m2)
Energy (eV)
Qel (10−20 m2)
QMT (10−20 m2)
10 263 81 100 262 128
20 260 189 150 229 83
30 251 170 200 180 52
50 311 218 300 148 33
40 Hydrogen sulfide (H2S)
Elastic scattering Momentum transfer
Q (1
m 2 )
0 0 10 20
Energy (eV) 30 40
TABLE 32.5 Partial and Total Ionization Cross Sections for H2S
Energy (eV) (H2S+ + HS+ + S+)
(10−20 m2) H+ (10−20 m2) Total (10−20 m2)
16 211 211 18 292 292 20 387 387 25 451 048 499 30 488 193 681 40 503 451 954 50 492 556 1048 80 492 605 1097 80 469 628 1097 100 454 607 1061 150 391 437 828 200 336 369 705 300 277 266 543 400 242 219 461 500 219 189 408 600 187 144 331 800 152 136 288
1000 129 093 222
H2S + e → H + HS− (321)
H2S + e → H2 + S− (322)
with an onset potential of 155 eV for Reaction 321 (FiquetFayard)S− ion has also been observed (Azria et al, 1972) The cross sections for attachment have been tabulated by Itikawa (2003) See Table 326 and Figure 324
15 Hydrogen sulfide (H2S)
(C) (A) (B)
Q i (1
m 2 )
0 10 100
Energy (eV) 1000
TABLE 32.6 Attachment Cross Sections for H2S
Energy (eV) S− (10−20 m2) HS− (10−20 m2) Total (10−20 m2)
0 3 × 10−5 2 × 10−4
10 3 × 10−5 46 × 10−4
15 1 × 10−4 257 × 10−3
175 657 × 10−3
20 298 × 10−4 0014 0012 225 34 × 10−4 0018 00194 235 00183
245 00186
25 32 × 10−4 00152 255 00181
275 506 × 10−3
30 25 × 10−4 23 × 10−3 24 × 10−3
33 0
35 0
40 9 × 10−5 0 475 0
50 11 × 10−4 15 × 10−3
55 23 × 10−4 0012 56 00106
57 00115
583 312 × 10−4
Cross Sections for H2S
Energy (eV) S− (10−20 m2) HS− (10−20 m2) Total (10−20 m2)
60 0004
65 2 × 10−4 0 70 5 × 10−4
72 11 × 10−4
75 0002
80 2 × 10−4 0003 85 116 × 10−3 0002 90 297 × 10−3 00022 95 48 × 10−3 00035 96 485 × 10−3
97 0004
100 392 × 10−3 0004 105 178 × 10−3 00015 110 72 × 10−4 4 × 10−4
115 3 × 10−4 0 120 87 × 10−5
130 2 × 10−5
Source: Adapted from Itikawa, Y, Electron attachment, in Interactions of Photons and Electrons with Molecules, Vol17c, Springer-Verlag, New York, NY, 2003, Chapter 52
Hydrogen sulfide (H2S)
Hydrogen sulfide (H2S)
(A)
(B)
(C)
10-1
10-2
10-3
At ta
ch m
en tc
ro ss
se ct
io n
(1 0-
2 )
10-1
10-2
10-3
0 5 Energy (eV)
10 15
0 5 Energy (eV)
10 15
function of E/N is available (Bradbury and Tatel, 1934), as shown in Table 327 and Figure 325
See Table 328
Attachment rate constant obtained from Rydberg state study is 5 × 10−13 m3/s (Dunning, 1995)
TABLE 32.7 Reduced Attachment Coefficients for H2S
E/N (Td) η/N (10−20 m2) E/N (Td) η/N (10−20 m2)
18 00028 40 025
22 0025 45 034
25 0056 53 049
27 0082 58 058
30 012 63 068
34 016 66 075
37 021 68 081
Source:Adapted from Bradbury, NEand ETatel, J. Chem. Phys, 2, 835, 1934
Energy
E/N (Td) Dr/µ (V) E/N (Td) Dr/µ (V)
5 00262 35 0346
6 00273 40 0382
7 00284 50 0412
8 0030 60 0410
10 0035 70 0437
12 0041 80 0451
14 0054 100 0492
17 0085 120 0558
20 0120 140 0625
25 0193 170 0814
30 0296 200 114
Source:Adapted from Millican, PGand ICWalker, J. Phys. D: Appl. Phys, 20, 193, 1987
1.0 Hydrogen sulfide (H2S)
Bradbury and Tatel (1934)
0.8
0.6
η/ N
(1 0-
2 )
0.4
0.2
0.0 0 20 40
E/N (Td) 60 80
