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σ 1s σ 2s σ 2p σ 3s σ 3p σ 3d

H + + Ho(nl=1s) → H + + Ho + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78
0.10 — .1981E-15
0.15 — .2229E-14
0.20 — .9810E-14
0.30 — .6515E-13
0.50 — .6079E-12
0.70 .3292E-11 .2376E-11
1.0 .1268E-10 .1006E-10
1.5 .5668E-10 .4703E-10
2.0 .1519E-09 .1343E-09
3.0 .6162E-09 .5439E-09
5.0 .2891E-08 .2768E-08
7.0 .7426E-08 .7139E-08
10. .1798E-07 .1767E-07
15. .4262E-07 .4191E-07
20. .6994E-07 .6958E-07
30. .1218E-06 .1224E-06
50. .1955E-06 .1953E-06
70. .2331E-06 .2325E-06
100. .2508E-06 .2505E-06
150. .2441E-06 .2441E-06
200. .2245E-06 .2253E-06
300. .1872E-06 .1880E-06
500. .1380E-06 .1383E-06
700. .1078E-06 .1091E-06
1000. .8233E-07 .8369E-07
1500. — .6074E-07
2000. — .4807E-07
3000. — .3427E-07
5000. — .2227E-07
7000. — .1662E-07

H + + Ho(nl=2s) → H + + Ho + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.01 — .1122E-14
0.015 — .4740E-13
0.02 — .3206E-12
0.03 — .2958E-11
0.05 — .3106E-10
0.07 — .1236E-09
0.10 — .4709E-09
0.15 — .1877E-08
0.20 .5521E-08 .4491E-08
0.30 .1398E-07 .1261E-07
0.50 .3029E-07 .2953E-07
0.70 .3944E-07 .3811E-07
1.0 .6088E-07 .5682E-07
1.5 .2329E-06 .2258E-06
2.0 .6498E-06 .6379E-06
3.0 .1968E-05 .1957E-05
5.0 .4865E-05 .4803E-05
7.0 .6862E-05 .6840E-05
10. .8574E-05 .8503E-05
15. .9271E-05 .9257E-05
20. .8986E-05 .9042E-05
30. .7858E-05 .8007E-05
50. .5997E-05 .6200E-05
70. .4772E-05 .5027E-05
100. .3672E-05 .3929E-05
150. .2685E-05 .2912E-05
200. .2144E-05 .2333E-05
300. .1545E-05 .1693E-05
500. .1009E-05 .1113E-05
700. — .8401E-06
1000. — .6191E-06
1500. — .4368E-06
2000. — .3405E-06

H + + Ho(nl=2p) → H + + Ho + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78
0.007 — .3994E-19
0.01 — .1522E-15
0.015 — .6816E-14
0.02 — .5680E-13
0.03 — .7520E-12
0.05 — .1321E-10
0.07 — .7322E-10
0.10 — .4060E-09
0.15 — .2449E-08
0.20 .1423E-07 .8104E-08
0.30 .5110E-07 .3809E-07
0.50 .2148E-06 .2047E-06
0.70 .5425E-06 .5255E-06
1.0 .1278E-05 .1251E-05
1.5 .2951E-05 .2914E-05
2.0 .4960E-05 .4918E-05
3.0 .9315E-05 .9267E-05
5.0 .1729E-04 .1719E-04
7.0 .2299E-04 .2303E-04
10. .2857E-04 .2846E-04
15. .3229E-04 .3218E-04
20. .3274E-04 .3271E-04
30. .3050E-04 .3064E-04
50. .2474E-04 .2504E-04
70. .2019E-04 .2074E-04
100. .1571E-04 .1641E-04
150. .1152E-04 .1222E-04
200. .9192E-05 .9794E-05
300. .6605E-05 .7090E-05
500. .4296E-05 .4652E-05
700. — .3505E-05
1000. — .2583E-05
1500. — .1818E-05
2000. — .1416E-05

H + + Ho(nl=3s) → H + + Ho + + e-

Table 4 (Theory)

E, MeV σ 3s , 10 -16 cm 2
JO79
0.002 .1422E-10
0.003 .6476E-10
0.005 .4113E-09
0.007 .1294E-08
0.01 .4008E-08
0.015 .1227E-07
0.02 .2346E-07
0.03 .4330E-07
0.05 .6616E-07
0.07 .1774E-06
0.10 .6584E-06
0.15 .1710E-05
0.20 .2359E-05
0.30 .3866E-05
0.50 .1700E-04
0.70 .3976E-04
1.0 .7601E-04
1.5 .1218E-03
2.0 .1485E-03
3.0 .1687E-03
5.0 .1658E-03
7.0 .1500E-03
10. .1277E-03
15. .1014E-03
20. .8453E-04
30. .6368E-04
50. .4338E-04
70. .3321E-04
100. .2489E-04
150. .1781E-04
200. .1408E-04
300. .9990E-05
500. .6438E-05
700. .4813E-05
1000. .3537E-05

H + + Ho(nl=3p) → H + + Ho + + e-

Table 5 (Theory)

E, MeV σ 3p , 10 -16 cm 2
JO79
0.002 .7368E-11
0.003 .5038E-10
0.005 .5285E-09
0.007 .2320E-08
0.01 .1029E-07
0.015 .4899E-07
0.02 .1326E-06
0.03 .4385E-06
0.05 .1376E-05
0.07 .2451E-05
0.10 .4462E-05
0.15 .1010E-04
0.20 .1936E-04
0.30 .4778E-04
0.50 .1312E-03
0.70 .2236E-03
1.0 .3476E-03
1.5 .4943E-03
2.0 .5793E-03
3.0 .6572E-03
5.0 .6566E-03
7.0 .6063E-03
10. .5280E-03
15. .4291E-03
20. .3614E-03
30. .2779E-03
50. .1927E-03
70. .1491E-03
100. .1129E-03
150. .8209E-04
200. .6512E-04
300. .4624E-04
500. .3013E-04
700. .2269E-04

H + + Ho(nl=3d) → H + + Ho + + e-

Table 6 (Theory)

E, MeV σ 3d , 10 -16 cm 2
JO79
0.001 .6641E-14
0.002 .3836E-12
0.003 .4078E-11
0.005 .7278E-10
0.007 .4679E-09
0.01 .3206E-08
0.015 .2514E-07
0.02 .1010E-06
0.03 .6224E-06
0.05 .4658E-05
0.07 .1438E-04
0.10 .3956E-04
0.15 .9689E-04
0.20 .1517E-03
0.30 .2856E-03
0.50 .5271E-03
0.70 .7594E-03
1.0 .1066E-02
1.5 .1440E-02
2.0 .1680E-02
3.0 .1895E-02
5.0 .1902E-02
7.0 .1756E-02
10. .1522E-02
15. .1219E-02
20. .1014E-02
30. .7611E-03
50. .5141E-03
70. .3927E-03
100. .2949E-03
150. .2099E-03
200. .1648E-03
300. .1167E-03
500. .7525E-04