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σ 1s σ 2s σ 2p

H + + K(nl=1s) → H + + K + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.005 — .1009E-13 .1315E-13 .1317E-13
0.007 — .1358E-12 .2030E-12 .2033E-12
0.01 — .1048E-11 .1571E-11 .1573E-11
0.015 — .8177E-11 .1434E-10 .1436E-10
0.02 — .3069E-10 .5638E-10 .5644E-10
0.03 — .1783E-09 .3150E-09 .3153E-09
0.05 .1938E-08 .1385E-08 .2350E-08 .2351E-08
0.07 .6726E-08 .5191E-08 .8090E-08 .8093E-08
0.10 .2447E-07 .1914E-07 .2770E-07 .2770E-07
0.15 .8866E-07 .7912E-07 .1004E-06 .1004E-06
0.20 .2331E-06 .2021E-06 .2308E-06 .2308E-06
0.30 .7254E-06 .6844E-06 .6560E-06 .6559E-06
0.50 .2642E-05 .2592E-05 .1930E-05 .1930E-05
0.70 .5542E-05 .5505E-05 .3375E-05 .3375E-05
1.0 .1089E-04 .1079E-04 .5371E-05 .5370E-05
1.5 .2002E-04 .1998E-04 .7958E-05 .7957E-05
2.0 .2795E-04 .2816E-04 .9966E-05 .9965E-05
3.0 .4033E-04 .4033E-04 .1355E-04 .1355E-04
5.0 .5275E-04 .5250E-04 .2064E-04 .2064E-04
7.0 .5629E-04 .5601E-04 .2657E-04 .2657E-04
10. .5529E-04 .5545E-04 .3216E-04 .3216E-04
15. .4969E-04 .5021E-04 .3536E-04 .3536E-04
20. .4428E-04 .4471E-04 .3506E-04 .3507E-04
30. .3579E-04 .3611E-04 .3177E-04 .3177E-04
50. .2543E-04 .2596E-04 .2529E-04 .2530E-04
70. .1998E-04 .2047E-04 .2087E-04 .2087E-04
100. — .1565E-04 .1663E-04 .1662E-04

H + + K(nl=2s) → H + + K + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.001 — .1617E-08
0.002 — .4467E-07
0.003 — .2169E-06
0.005 — .1206E-05
0.007 — .3162E-05
0.01 .7625E-05 .7167E-05
0.015 .1251E-04 .1336E-04
0.02 .1724E-04 .1677E-04
0.03 .2675E-04 .2376E-04
0.05 .1292E-03 .1167E-03
0.07 .3851E-03 .3588E-03
0.10 .9065E-03 .8930E-03
0.15 .1890E-02 .1753E-02
0.20 .2760E-02 .2753E-02
0.30 .3999E-02 .3973E-02
0.50 .5029E-02 .5027E-02
0.70 .5164E-02 .5222E-02
1.0 .4979E-02 .5016E-02
1.5 .4359E-02 .4412E-02
2.0 .3805E-02 .3868E-02
3.0 .3007E-02 .3082E-02
5.0 .2127E-02 .2206E-02
7.0 .1657E-02 .1741E-02
10. .1265E-02 .1336E-02
15. .9367E-03 .9780E-03
20. .7593E-03 .7789E-03
30. .5322E-03 .5610E-03
50. — .3669E-03
70. — .2771E-03
100. — .2047E-03

H + + K(nl=2p) → H + + K + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78 RHF [CL74] RHF [BU93]
0.001 — .2117E-08 .3894E-10 .3956E-10
0.002 — .9023E-07 .2292E-08 .2292E-08
0.003 — .5972E-06 .1787E-07 .1782E-07
0.005 — .5221E-05 .1754E-06 .1750E-06
0.007 — .1828E-04 .6832E-06 .6823E-06
0.01 .6684E-04 .5979E-04 .2638E-05 .2638E-05
0.015 .2366E-03 .1922E-03 .1158E-04 .1159E-04
0.02 .4128E-03 .3957E-03 .3247E-04 .3248E-04
0.03 .9964E-03 .9602E-03 .1315E-03 .1315E-03
0.05 .2499E-02 .2450E-02 .6366E-03 .6366E-03
0.07 .4179E-02 .4130E-02 .1534E-02 .1535E-02
0.10 .6680E-02 .6635E-02 .3339E-02 .3339E-02
0.15 .1031E-01 .1031E-01 .6638E-02 .6639E-02
0.20 .1325E-01 .1324E-01 .9555E-02 .9557E-02
0.30 .1736E-01 .1726E-01 .1361E-01 .1361E-01
0.50 .2121E-01 .2112E-01 .1701E-01 .1699E-01
0.70 .2225E-01 .2238E-01 .1788E-01 .1781E-01
1.0 .2233E-01 .2239E-01 .1783E-01 .1773E-01
1.5 .2068E-01 .2087E-01 .1697E-01 .1681E-01
2.0 .1882E-01 .1908E-01 .1591E-01 .1570E-01
3.0 .1568E-01 .1605E-01 .1388E-01 .1369E-01
5.0 .1168E-01 .1217E-01 .1093E-01 .1078E-01
7.0 .9338E-02 .9865E-02 .9026E-02 .8907E-02
10. .7292E-02 .7768E-02 .7188E-02 .7113E-02
15. .5512E-02 .5826E-02 .5441E-02 .5399E-02
20. .4525E-02 .4717E-02 .4430E-02 .4388E-02
30. .3236E-02 .3476E-02 .3271E-02 .3243E-02
50. — .2336E-02 .2199E-02 .2185E-02
70. — .1785E-02 .1682E-02 .1670E-02
100. — — .1260E-02 .1251E-02