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σ 1s σ 2s σ 2p σ 3s σ 3p σ 3d

H + + I(nl=1s) → H + + I + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.07 — .1672E-14 .2927E-14 .2936E-14
0.10 — .1292E-13 .2460E-13 .2467E-13
0.15 — .9357E-13 .1919E-12 .1924E-12
0.20 — .3457E-12 .7153E-12 .7171E-12
0.30 — .1943E-11 .4005E-11 .4013E-11
0.50 .2020E-10 .1592E-10 .2984E-10 .2988E-10
0.70 .6823E-10 .5763E-10 .1028E-09 .1029E-09
1.0 .2466E-09 .2221E-09 .3528E-09 .3530E-09
1.5 .1084E-08 .9259E-09 .1286E-08 .1286E-08
2.0 .2558E-08 .2412E-08 .2970E-08 .2970E-08
3.0 .8808E-08 .8376E-08 .8503E-08 .8501E-08
5.0 .3461E-07 .3364E-07 .2524E-07 .2524E-07
7.0 .7346E-07 .7267E-07 .4439E-07 .4439E-07
10. .1468E-06 .1457E-06 .7109E-07 .7108E-07
15. .2714E-06 .2722E-06 .1066E-06 .1066E-06
20. .3843E-06 .3826E-06 .1356E-06 .1356E-06
30. .5414E-06 .5397E-06 .1905E-06 .1904E-06
50. .6787E-06 .6723E-06 .2986E-06 .2985E-06
70. .6997E-06 .6967E-06 .3829E-06 .3829E-06
100. .6628E-06 .6651E-06 .4545E-06 .4545E-06
150. .5752E-06 .5809E-06 .4853E-06 .4853E-06
200. .4944E-06 .5057E-06 .4716E-06 .4716E-06
300. .3918E-06 .3974E-06 .4174E-06 .4175E-06
500. .2669E-06 .2799E-06 .3257E-06 .3264E-06
700. — .2170E-06 .2666E-06 .2682E-06
1000. — .1645E-06 .2111E-06 .2135E-06
1500. — .1184E-06 .1590E-06 .1607E-06
2000. — .9342E-07 .1290E-06 .1302E-06

H + + I(nl=2s) → H + + I + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.005 — .3802E-15
0.007 — .5403E-13
0.01 — .7521E-12
0.015 — .7685E-11
0.02 — .3110E-10
0.03 — .1841E-09
0.05 — .1318E-08
0.07 — .4312E-08
0.10 — .1286E-07
0.15 .4009E-07 .3641E-07
0.20 .6655E-07 .6368E-07
0.30 .1055E-06 .1029E-06
0.50 .1845E-06 .1571E-06
0.70 .5569E-06 .4512E-06
1.0 .1748E-05 .1646E-05
1.5 .5394E-05 .5243E-05
2.0 .9546E-05 .9524E-05
3.0 .1728E-04 .1717E-04
5.0 .2599E-04 .2605E-04
7.0 .2864E-04 .2910E-04
10. .2926E-04 .2940E-04
15. .2658E-04 .2665E-04
20. .2359E-04 .2361E-04
30. .1882E-04 .1892E-04
50. .1329E-04 .1351E-04
70. .1031E-04 .1063E-04
100. .7816E-05 .8112E-05

H + + I(nl=2p) → H + + I + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78
0.01 — .1109E-12
0.015 — .1625E-11
0.02 — .8759E-11
0.03 — .7790E-10
0.05 — .9544E-09
0.07 — .4449E-08
0.10 — .2017E-07
0.15 .1528E-06 .9619E-07
0.20 .2953E-06 .2599E-06
0.30 .9302E-06 .8966E-06
0.50 .3453E-05 .3291E-05
0.70 .7025E-05 .6786E-05
1.0 .1341E-04 .1324E-04
1.5 .2544E-04 .2529E-04
2.0 .3731E-04 .3722E-04
3.0 .5809E-04 .5765E-04
5.0 .8404E-04 .8370E-04
7.0 .9520E-04 .9606E-04
10. .1021E-03 .1022E-03
15. .9864E-04 .9951E-04
20. .9155E-04 .9254E-04
30. .7676E-04 .7835E-04
50. .5608E-04 .5858E-04
70. .4387E-04 .4682E-04
100. .3338E-04 .3619E-04

H + + I(nl=3s) → H + + I + + e-

Table 4 (Theory)

E, MeV σ 3s , 10 -16 cm 2
JO79
0.001 .7294E-10
0.002 .9370E-09
0.003 .3809E-08
0.005 .1892E-07
0.007 .4669E-07
0.01 .9945E-07
0.015 .1667E-06
0.02 .2031E-06
0.03 .4950E-06
0.05 .3041E-05
0.07 .6251E-05
0.10 .9001E-05
0.15 .1594E-04
0.20 .3631E-04
0.30 .1122E-03
0.50 .2930E-03
0.70 .4346E-03
1.0 .5638E-03
1.5 .6461E-03
2.0 .6556E-03
3.0 .6117E-03
5.0 .4983E-03
7.0 .4149E-03
10. .3327E-03
15. .2522E-03
20. .2044E-03
30. .1496E-03
50. .9942E-04
70. .7555E-04
100. .5644E-04

H + + I(nl=3p) → H + + I + + e-

Table 5 (Theory)

E, MeV σ 3p , 10 -16 cm 2
JO79
0.001 .4628E-10
0.002 .1178E-08
0.003 .7107E-08
0.005 .5954E-07
0.007 .2096E-06
0.01 .6891E-06
0.015 .2130E-05
0.02 .4039E-05
0.03 .8305E-05
0.05 .1981E-04
0.07 .3908E-04
0.10 .8638E-04
0.15 .2087E-03
0.20 .3684E-03
0.30 .7272E-03
0.50 .1368E-02
0.70 .1830E-02
1.0 .2243E-02
1.5 .2547E-02
2.0 .2618E-02
3.0 .2516E-02
5.0 .2150E-02
7.0 .1838E-02
10. .1515E-02
15. .1178E-02
20. .9690E-03
30. .7240E-03
50. .4941E-03
70. .3786E-03
100. .2861E-03

H + + I(nl=3d) → H + + I + + e-

Table 6 (Theory)

E, MeV σ 3d , 10 -16 cm 2
JO79
0.001 .4051E-11
0.002 .2132E-09
0.003 .2012E-08
0.005 .3068E-07
0.007 .1650E-06
0.01 .8885E-06
0.015 .5119E-05
0.02 .1570E-04
0.03 .6236E-04
0.05 .2515E-03
0.07 .4984E-03
0.10 .8828E-03
0.15 .1535E-02
0.20 .2160E-02
0.30 .3373E-02
0.50 .5430E-02
0.70 .6834E-02
1.0 .8202E-02
1.5 .9050E-02
2.0 .9120E-02
3.0 .8502E-02
5.0 .6956E-02
7.0 .5757E-02
10. .4572E-02
15. .3427E-02
20. .2755E-02
30. .2002E-02
50. .1337E-02
70. .1003E-02
100. .7429E-03