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σ 1s σ 2s σ 2p

H + + V(nl=1s) → H + + V + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.007 — — .2410E-14 .2408E-14
0.01 — .3619E-13 .4387E-13 .4384E-13
0.015 — .4086E-12 .6476E-12 .6472E-12
0.02 — .1782E-11 .3262E-11 .3261E-11
0.03 — .1186E-10 .2135E-10 .2134E-10
0.05 — .1043E-09 .1842E-09 .1841E-09
0.07 .5782E-09 .4192E-09 .6931E-09 .6929E-09
0.10 .2201E-08 .1677E-08 .2621E-08 .2621E-08
0.15 .9715E-08 .7634E-08 .1079E-07 .1079E-07
0.20 .2323E-07 .2113E-07 .2750E-07 .2750E-07
0.30 .9434E-07 .8140E-07 .9195E-07 .9195E-07
0.50 .3850E-06 .3733E-06 .3405E-06 .3406E-06
0.70 .9325E-06 .9147E-06 .6989E-06 .6989E-06
1.0 .2113E-05 .2091E-05 .1313E-05 .1313E-05
1.5 .4658E-05 .4611E-05 .2286E-05 .2286E-05
2.0 .7346E-05 .7316E-05 .3088E-05 .3088E-05
3.0 .1215E-04 .1224E-04 .4326E-05 .4326E-05
5.0 .1913E-04 .1899E-04 .6432E-05 .6432E-05
7.0 .2262E-04 .2245E-04 .8533E-05 .8533E-05
10. .2464E-04 .2448E-04 .1130E-04 .1130E-04
15. .2430E-04 .2435E-04 .1422E-04 .1422E-04
20. .2268E-04 .2290E-04 .1548E-04 .1548E-04
30. .1938E-04 .1965E-04 .1563E-04 .1563E-04
50. .1473E-04 .1488E-04 .1366E-04 .1366E-04
70. .1157E-04 .1198E-04 .1173E-04 .1173E-04
100. .8972E-05 .9312E-05 .9624E-05 .9624E-05

H + + V(nl=2s) → H + + V + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.001 — .2423E-10
0.002 — .1463E-08
0.003 — .9506E-08
0.005 — .7201E-07
0.007 — .2369E-06
0.01 — .7079E-06
0.015 — .2012E-05
0.02 .3412E-05 .3524E-05
0.03 .5737E-05 .5725E-05
0.05 .9528E-05 .8419E-05
0.07 .2508E-04 .2158E-04
0.10 .8472E-04 .7630E-04
0.15 .2537E-03 .2490E-03
0.20 .4662E-03 .4645E-03
0.30 .8818E-03 .8490E-03
0.50 .1462E-02 .1451E-02
0.70 .1752E-02 .1733E-02
1.0 .1874E-02 .1889E-02
1.5 .1846E-02 .1860E-02
2.0 .1716E-02 .1735E-02
3.0 .1447E-02 .1477E-02
5.0 .1077E-02 .1116E-02
7.0 .8545E-03 .9006E-03
10. .6628E-03 .7024E-03
15. .4860E-03 .5229E-03
20. .3973E-03 .4200E-03
30. .2901E-03 .3060E-03
50. .1892E-03 .2022E-03
70. — .1534E-03
100. — .1135E-03

H + + V(nl=2p) → H + + V + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78 RHF [CL74] RHF [BU93]
0.001 — .1240E-10 .9484E-13 .9842E-13
0.002 — .1128E-08 .1469E-10 .1495E-10
0.003 — .1016E-07 .1743E-09 .1757E-09
0.005 — .1194E-06 .2598E-08 .2598E-08
0.007 — .5418E-06 .1311E-07 .1308E-07
0.01 — .2308E-05 .6259E-07 .6246E-07
0.015 — .1013E-04 .3187E-06 .3182E-06
0.02 .3488E-04 .2562E-04 .9450E-06 .9443E-06
0.03 .8731E-04 .8061E-04 .4191E-05 .4190E-05
0.05 .2791E-03 .2673E-03 .2617E-04 .2617E-04
0.07 .5378E-03 .5228E-03 .8120E-04 .8119E-04
0.10 .9903E-03 .9741E-03 .2395E-03 .2395E-03
0.15 .1797E-02 .1784E-02 .6802E-03 .6802E-03
0.20 .2564E-02 .2564E-02 .1253E-02 .1253E-02
0.30 .3905E-02 .3901E-02 .2467E-02 .2467E-02
0.50 .5719E-02 .5691E-02 .4331E-02 .4332E-02
0.70 .6726E-02 .6670E-02 .5372E-02 .5374E-02
1.0 .7328E-02 .7355E-02 .6067E-02 .6068E-02
1.5 .7554E-02 .7559E-02 .6345E-02 .6334E-02
2.0 .7300E-02 .7336E-02 .6280E-02 .6263E-02
3.0 .6536E-02 .6611E-02 .5909E-02 .5887E-02
5.0 .5189E-02 .5323E-02 .5083E-02 .5054E-02
7.0 .4250E-02 .4441E-02 .4400E-02 .4377E-02
10. .3374E-02 .3573E-02 .3657E-02 .3638E-02
15. .2528E-02 .2728E-02 .2865E-02 .2855E-02
20. .2088E-02 .2227E-02 .2377E-02 .2365E-02
30. .1548E-02 .1654E-02 .1790E-02 .1784E-02
50. .1027E-02 .1117E-02 .1230E-02 .1226E-02
70. — .8591E-03 .9502E-03 .9479E-03
100. — .6460E-03 .7198E-03 .7169E-03