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σ 1s σ 2s σ 2p

H + + Ni(nl=1s) → H + + Ni + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.01 .1764E-09 — .3345E-15 .3344E-15
0.015 .8449E-09 .1341E-13 .1758E-13 .1757E-13
0.02 .2303E-08 .7845E-13 .1395E-12 .1394E-12
0.03 .9067E-08 .6580E-12 .1208E-11 .1208E-11
0.05 .5013E-07 .6945E-11 .1263E-10 .1262E-10
0.07 .1295E-06 .2986E-10 .5224E-10 .5223E-10
0.10 .3324E-06 .1303E-09 .2170E-09 .2169E-09
0.15 .8655E-06 .6436E-09 .9983E-09 .9981E-09
0.20 .1561E-05 .1905E-08 .2774E-08 .2774E-08
0.30 .3091E-05 .8157E-08 .1066E-07 .1066E-07
0.50 .5798E-05 .4424E-07 .4847E-07 .4847E-07
0.70 .7804E-05 .1227E-06 .1157E-06 .1157E-06
1.0 .9595E-05 .3265E-06 .2570E-06 .2570E-06
1.5 .1068E-04 .8586E-06 .5409E-06 .5409E-06
2.0 .1069E-04 .1547E-05 .8248E-06 .8249E-06
3.0 .9837E-05 .3078E-05 .1306E-05 .1306E-05
5.0 .7958E-05 .5828E-05 .2003E-05 .2003E-05
7.0 .6641E-05 .7777E-05 .2606E-05 .2606E-05
10. .5152E-05 .9498E-05 .3518E-05 .3518E-05
15. — .1059E-04 .4879E-05 .4880E-05
20. — .1068E-04 .5846E-05 .5846E-05
30. — .9940E-05 .6760E-05 .6760E-05
50. — .8112E-05 .6759E-05 .6759E-05
70. — .6744E-05 .6176E-05 .6176E-05
100. — .5380E-05 .5308E-05 .5308E-05

H + + Ni(nl=2s) → H + + Ni + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.001 — .1030E-12
0.002 — .4449E-10
0.003 — .3921E-09
0.005 — .4232E-08
0.007 — .1661E-07
0.01 — .6144E-07
0.015 — .2266E-06
0.02 — .5005E-06
0.03 .1204E-05 .1213E-05
0.05 .2336E-05 .2290E-05
0.07 .2826E-05 .2793E-05
0.10 .5724E-05 .5582E-05
0.15 .2533E-04 .2374E-04
0.20 .6098E-04 .5910E-04
0.30 .1586E-03 .1576E-03
0.50 .3592E-03 .3541E-03
0.70 .5134E-03 .5075E-03
1.0 .6409E-03 .6403E-03
1.5 .7264E-03 .7261E-03
2.0 .7324E-03 .7364E-03
3.0 .6806E-03 .6877E-03
5.0 .5509E-03 .5630E-03
7.0 .4546E-03 .4699E-03
10. .3596E-03 .3773E-03
15. .2702E-03 .2868E-03
20. .2172E-03 .2331E-03
30. .1609E-03 .1718E-03
50. .1098E-03 .1151E-03
70. .8080E-04 .8773E-04
100. — .6555E-04

H + + Ni(nl=2p) → H + + Ni + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78 RHF [CL74] RHF [BU93]
0.001 — .2401E-13
0.002 — .1410E-10 .9640E-13 .1002E-12
0.003 — .1877E-09 .1927E-11 .1981E-11
0.005 — .3074E-08 .4237E-10 .4293E-10
0.007 — .1753E-07 .2834E-09 .2852E-09
0.01 — .8589E-07 .1719E-08 .1721E-08
0.015 — .4878E-06 .1115E-07 .1112E-07
0.02 — .1486E-05 .3766E-07 .3756E-07
0.03 .8399E-05 .6096E-05 .1850E-06 .1846E-06
0.05 .2857E-04 .2725E-04 .1234E-05 .1232E-05
0.07 .6437E-04 .6294E-04 .4221E-05 .4220E-05
0.10 .1380E-03 .1355E-03 .1497E-04 .1497E-04
0.15 .2930E-03 .2889E-03 .5613E-04 .5614E-04
0.20 .4659E-03 .4613E-03 .1283E-03 .1283E-03
0.30 .8139E-03 .8126E-03 .3432E-03 .3432E-03
0.50 .1416E-02 .1418E-02 .8670E-03 .8670E-03
0.70 .1870E-02 .1859E-02 .1328E-02 .1328E-02
1.0 .2283E-02 .2288E-02 .1806E-02 .1807E-02
1.5 .2630E-02 .2632E-02 .2198E-02 .2201E-02
2.0 .2740E-02 .2746E-02 .2343E-02 .2347E-02
3.0 .2697E-02 .2702E-02 .2382E-02 .2391E-02
5.0 .2351E-02 .2372E-02 .2231E-02 .2242E-02
7.0 .2027E-02 .2061E-02 .2038E-02 .2049E-02
10. .1660E-02 .1709E-02 .1781E-02 .1792E-02
15. .1279E-02 .1338E-02 .1463E-02 .1472E-02
20. .1043E-02 .1105E-02 .1243E-02 .1252E-02
30. .7835E-03 .8312E-03 .9644E-03 .9712E-03
50. .5427E-03 .5676E-03 .6795E-03 .6837E-03
70. .4033E-03 .4386E-03 .5324E-03 .5352E-03
100. — .3306E-03 .4072E-03 .4093E-03