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σ 1s σ 2s σ 2p σ 3s σ 3p σ 3d

H + + W(nl=1s) → H + + W + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78
0.15 — .3743E-15
0.20 — .1887E-14
0.30 — .1423E-13
0.50 — .1374E-12
0.70 .8205E-12 .5870E-12
1.0 .3317E-11 .2487E-11
1.5 .1616E-10 .1224E-10
2.0 .3928E-10 .3620E-10
3.0 .1867E-09 .1562E-09
5.0 .9143E-09 .8489E-09
7.0 .2454E-08 .2394E-08
10. .6590E-08 .6382E-08
15. .1730E-07 .1683E-07
20. .3036E-07 .3017E-07
30. .5860E-07 .5890E-07
50. .1060E-06 .1066E-06
70. .1360E-06 .1358E-06
100. .1569E-06 .1566E-06
150. .1619E-06 .1619E-06
200. .1546E-06 .1545E-06
300. .1340E-06 .1335E-06
500. .1024E-06 .1005E-06
700. .7997E-07 .8020E-07
1000. .6163E-07 .6168E-07
1500. — .4496E-07
2000. — .3560E-07
3000. — .2542E-07
5000. — .1643E-07
7000. — .1233E-07

H + + W(nl=2s) → H + + W + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.01 — .4917E-17
0.015 — .2981E-14
0.02 — .3322E-13
0.03 — .4248E-12
0.05 — .5439E-11
0.07 — .2388E-10
0.10 — .9901E-10
0.15 — .4443E-09
0.20 — .1168E-08
0.30 .4846E-08 .3888E-08
0.50 .1265E-07 .1224E-07
0.70 .1941E-07 .1943E-07
1.0 .2609E-07 .2488E-07
1.5 .6392E-07 .4996E-07
2.0 .1610E-06 .1468E-06
3.0 .6384E-06 .5999E-06
5.0 .1993E-05 .1974E-05
7.0 .3287E-05 .3240E-05
10. .4585E-05 .4529E-05
15. .5386E-05 .5451E-05
20. .5621E-05 .5636E-05
30. .5220E-05 .5296E-05
50. .4176E-05 .4306E-05
70. .3413E-05 .3564E-05
100. .2652E-05 .2824E-05
150. .1950E-05 .2119E-05
200. .1555E-05 .1707E-05
300. .1153E-05 .1246E-05
500. .7702E-06 .8228E-06
700. .5653E-06 .6226E-06
1000. — .4593E-06
1500. — .3250E-06
2000. — .2535E-06

H + + W(nl=2p) → H + + W + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78
0.01 — .1804E-17
0.015 — .5213E-15
0.02 — .6113E-14
0.03 — .9771E-13
0.05 — .2066E-11
0.07 — .1210E-10
0.10 — .7563E-10
0.15 — .5001E-09
0.20 — .1765E-08
0.30 .1604E-07 .9059E-08
0.50 .6465E-07 .5702E-07
0.70 .1769E-06 .1609E-06
1.0 .4529E-06 .4259E-06
1.5 .1140E-05 .1091E-05
2.0 .1987E-05 .1951E-05
3.0 .4024E-05 .3974E-05
5.0 .8217E-05 .8176E-05
7.0 .1180E-04 .1175E-04
10. .1564E-04 .1556E-04
15. .1870E-04 .1894E-04
20. .2014E-04 .2017E-04
30. .1984E-04 .2001E-04
50. .1708E-04 .1724E-04
70. .1444E-04 .1462E-04
100. .1145E-04 .1179E-04
150. .8476E-05 .8892E-05
200. .6761E-05 .7163E-05
300. .5003E-05 .5195E-05
500. .3327E-05 .3419E-05
700. .2433E-05 .2572E-05
1000. — .1902E-05
1500. — .1339E-05
2000. — .1043E-05

H + + W(nl=3s) → H + + W + + e-

Table 4 (Theory)

E, MeV σ 3s , 10 -16 cm 2
JO79
0.003 .1144E-10
0.005 .7622E-10
0.007 .2546E-09
0.01 .8529E-09
0.015 .3019E-08
0.02 .6648E-08
0.03 .1622E-07
0.05 .2994E-07
0.07 .4030E-07
0.10 .1210E-06
0.15 .5053E-06
0.20 .9642E-06
0.30 .1503E-05
0.50 .3890E-05
0.70 .1099E-04
1.0 .2636E-04
1.5 .5194E-04
2.0 .7089E-04
3.0 .9121E-04
5.0 .9901E-04
7.0 .9382E-04
10. .8290E-04
15. .6772E-04
20. .5702E-04
30. .4362E-04
50. .3020E-04
70. .2320E-04
100. .1740E-04
150. .1249E-04
200. .9830E-05
300. .7014E-05
500. .4524E-05
700. .3389E-05
1000. .2485E-05
1500. .1745E-05
2000. .1353E-05

H + + W(nl=3p) → H + + W + + e-

Table 5 (Theory)

E, MeV σ 3p , 10 -16 cm 2
JO79
0.002 .9959E-12
0.003 .6999E-11
0.005 .7717E-10
0.007 .3594E-09
0.01 .1703E-08
0.015 .9129E-08
0.02 .2701E-07
0.03 .1069E-06
0.05 .4299E-06
0.07 .8619E-06
0.10 .1580E-05
0.15 .3224E-05
0.20 .5811E-05
0.30 .1451E-04
0.50 .4431E-04
0.70 .8347E-04
1.0 .1445E-03
1.5 .2299E-03
2.0 .2910E-03
3.0 .3574E-03
5.0 .3902E-03
7.0 .3766E-03
10. .3401E-03
15. .2849E-03
20. .2431E-03
30. .1892E-03
50. .1330E-03
70. .1037E-03
100. .7863E-04
150. .5727E-04
200. .4543E-04
300. .3255E-04
500. .2112E-04
700. .1590E-04
1000. .1173E-04

H + + W(nl=3d) → H + + W + + e-

Table 6 (Theory)

E, MeV σ 3d , 10 -16 cm 2
JO79
0.001 .0000E+00
0.002 .3703E-13
0.003 .3932E-12
0.005 .7433E-11
0.007 .4966E-10
0.01 .3541E-09
0.015 .3067E-08
0.02 .1322E-07
0.03 .9175E-07
0.05 .8312E-06
0.07 .2964E-05
0.10 .9554E-05
0.15 .2883E-04
0.20 .5299E-04
0.30 .1036E-03
0.50 .2082E-03
0.70 .3080E-03
1.0 .4513E-03
1.5 .6526E-03
2.0 .8010E-03
3.0 .9800E-03
5.0 .1079E-02
7.0 .1052E-02
10. .9562E-03
15. .8018E-03
20. .6796E-03
30. .5210E-03
50. .3584E-03
70. .2753E-03
100. .2067E-03
150. .1499E-03
200. .1168E-03
300. .8286E-04
500. .5354E-04
700. .4015E-04