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σ 1s σ 2s σ 2p

H + + Se(nl=1s) → H + + Se + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.015 — — .1208E-15 .1210E-15
0.02 — .2157E-14 .3188E-14 .3193E-14
0.03 — .2885E-13 .5284E-13 .5291E-13
0.05 — .4108E-12 .7714E-12 .7723E-12
0.07 — .1937E-11 .3621E-11 .3625E-11
0.10 — .9371E-11 .1667E-10 .1668E-10
0.15 .6912E-10 .5027E-10 .8514E-10 .8519E-10
0.20 .1893E-09 .1576E-09 .2551E-09 .2552E-09
0.30 .9139E-09 .7352E-09 .1102E-08 .1102E-08
0.50 .5189E-08 .4599E-08 .5958E-08 .5958E-08
0.70 .1649E-07 .1409E-07 .1623E-07 .1623E-07
1.0 .4576E-07 .4301E-07 .4207E-07 .4207E-07
1.5 .1361E-06 .1336E-06 .1067E-06 .1067E-06
2.0 .2797E-06 .2726E-06 .1860E-06 .1860E-06
3.0 .6563E-06 .6493E-06 .3504E-06 .3504E-06
5.0 .1537E-05 .1532E-05 .6204E-06 .6204E-06
7.0 .2322E-05 .2339E-05 .8236E-06 .8236E-06
10. .3262E-05 .3253E-05 .1092E-05 .1092E-05
15. .4181E-05 .4139E-05 .1538E-05 .1538E-05
20. .4584E-05 .4533E-05 .1959E-05 .1959E-05
30. .4669E-05 .4666E-05 .2579E-05 .2579E-05
50. .4142E-05 .4199E-05 .3047E-05 .3047E-05
70. .3596E-05 .3659E-05 .3038E-05 .3038E-05
100. .2969E-05 .3027E-05 .2798E-05 .2798E-05

H + + Se(nl=2s) → H + + Se + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.002 — .3135E-12
0.003 — .8199E-11
0.005 — .1343E-09
0.007 — .7127E-09
0.01 — .3158E-08
0.015 — .1501E-07
0.02 — .4034E-07
0.03 — .1373E-06
0.05 .4490E-06 .4498E-06
0.07 .7336E-06 .7422E-06
0.10 .9844E-06 .9738E-06
0.15 .1581E-05 .1532E-05
0.20 .4297E-05 .3839E-05
0.30 .1710E-04 .1606E-04
0.50 .6034E-04 .5981E-04
0.70 .1087E-03 .1045E-03
1.0 .1694E-03 .1685E-03
1.5 .2314E-03 .2309E-03
2.0 .2631E-03 .2616E-03
3.0 .2757E-03 .2776E-03
5.0 .2532E-03 .2564E-03
7.0 .2210E-03 .2262E-03
10. .1831E-03 .1891E-03
15. .1409E-03 .1485E-03
20. .1156E-03 .1227E-03
30. .8518E-04 .9220E-04
50. .5849E-04 .6265E-04
70. .4442E-04 .4826E-04
100. .3387E-04 .3618E-04

H + + Se(nl=2p) → H + + Se + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78
0.002 — .4997E-13
0.003 — .1690E-11
0.005 — .4639E-10
0.007 — .3199E-09
0.01 — .2045E-08
0.015 — .1464E-07
0.02 — .5308E-07
0.03 — .2831E-06
0.05 .2668E-05 .1793E-05
0.07 .6139E-05 .5175E-05
0.10 .1468E-04 .1377E-04
0.15 .3679E-04 .3579E-04
0.20 .6637E-04 .6447E-04
0.30 .1358E-03 .1334E-03
0.50 .2848E-03 .2844E-03
0.70 .4255E-03 .4245E-03
1.0 .5959E-03 .5957E-03
1.5 .7834E-03 .7868E-03
2.0 .8962E-03 .8967E-03
3.0 .9794E-03 .9872E-03
5.0 .9677E-03 .9714E-03
7.0 .8910E-03 .8918E-03
10. .7719E-03 .7719E-03
15. .6187E-03 .6215E-03
20. .5162E-03 .5198E-03
30. .3870E-03 .3939E-03
50. .2692E-03 .2699E-03
70. .2059E-03 .2083E-03
100. .1579E-03 .1569E-03