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σ 1s σ 2s σ 2p

H + + Cr(nl=1s) → H + + Cr + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.007 — — .6147E-15 .6150E-15
0.01 — .1533E-13 .1822E-13 .1823E-13
0.015 — .1955E-12 .3149E-12 .3150E-12
0.02 — .8989E-12 .1709E-11 .1710E-11
0.03 — .6366E-11 .1171E-10 .1171E-10
0.05 — .5961E-10 .1047E-09 .1047E-09
0.07 .3004E-09 .2388E-09 .4017E-09 .4017E-09
0.10 .1189E-08 .9600E-09 .1550E-08 .1551E-08
0.15 .5576E-08 .4432E-08 .6547E-08 .6547E-08
0.20 .1405E-07 .1247E-07 .1701E-07 .1701E-07
0.30 .5661E-07 .4979E-07 .5873E-07 .5872E-07
0.50 .2541E-06 .2397E-06 .2278E-06 .2278E-06
0.70 .6077E-06 .6014E-06 .4834E-06 .4834E-06
1.0 .1455E-05 .1417E-05 .9416E-06 .9416E-06
1.5 .3288E-05 .3254E-05 .1705E-05 .1705E-05
2.0 .5344E-05 .5308E-05 .2358E-05 .2358E-05
3.0 .9200E-05 .9211E-05 .3367E-05 .3367E-05
5.0 .1490E-04 .1487E-04 .4994E-05 .4993E-05
7.0 .1827E-04 .1804E-04 .6606E-05 .6606E-05
10. .2031E-04 .2017E-04 .8842E-05 .8842E-05
15. .2050E-04 .2052E-04 .1142E-04 .1142E-04
20. .1942E-04 .1957E-04 .1270E-04 .1270E-04
30. .1681E-04 .1705E-04 .1318E-04 .1318E-04
50. .1293E-04 .1311E-04 .1182E-04 .1182E-04
70. .1015E-04 .1061E-04 .1026E-04 .1026E-04
100. .7893E-05 .8271E-05 .8493E-05 .8493E-05

H + + Cr(nl=2s) → H + + Cr + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.001 — .1000E-10
0.002 — .6755E-09
0.003 — .4936E-08
0.005 — .4101E-07
0.007 — .1375E-06
0.01 — .4358E-06
0.015 — .1305E-05
0.02 .2431E-05 .2415E-05
0.03 .4137E-05 .4308E-05
0.05 .6322E-05 .6086E-05
0.07 .1312E-04 .1235E-04
0.10 .4615E-04 .4474E-04
0.15 .1592E-03 .1573E-03
0.20 .3129E-03 .3106E-03
0.30 .6330E-03 .5705E-03
0.50 .1110E-02 .1098E-02
0.70 .1358E-02 .1358E-02
1.0 .1527E-02 .1520E-02
1.5 .1537E-02 .1540E-02
2.0 .1447E-02 .1460E-02
3.0 .1238E-02 .1263E-02
5.0 .9381E-03 .9694E-03
7.0 .7507E-03 .7858E-03
10. .5826E-03 .6177E-03
15. .4302E-03 .4603E-03
20. .3459E-03 .3706E-03
30. .2514E-03 .2702E-03
50. .1659E-03 .1798E-03
70. — .1362E-03
100. — .1013E-03

H + + Cr(nl=2p) → H + + Cr + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78 RHF [CL74] RHF [BU93]
0.001 — .3715E-11 .2767E-13 .2976E-13
0.002 — .4423E-09 .5618E-11 .5891E-11
0.003 — .4313E-08 .7322E-10 .7555E-10
0.005 — .5452E-07 .1185E-08 .1200E-08
0.007 — .2575E-06 .6324E-08 .6351E-08
0.01 — .1133E-05 .3172E-07 .3168E-07
0.015 — .5299E-05 .1687E-06 .1681E-06
0.02 .1873E-04 .1400E-04 .5097E-06 .5079E-06
0.03 .5509E-04 .4677E-04 .2286E-05 .2279E-05
0.05 .1705E-03 .1649E-03 .1452E-04 .1450E-04
0.07 .3408E-03 .3334E-03 .4633E-04 .4630E-04
0.10 .6495E-03 .6397E-03 .1426E-03 .1426E-03
0.15 .1223E-02 .1211E-02 .4284E-03 .4285E-03
0.20 .1795E-02 .1783E-02 .8227E-03 .8227E-03
0.30 .2818E-02 .2800E-02 .1715E-02 .1715E-02
0.50 .4273E-02 .4247E-02 .3217E-02 .3217E-02
0.70 .5100E-02 .5093E-02 .4139E-02 .4141E-02
1.0 .5781E-02 .5752E-02 .4819E-02 .4820E-02
1.5 .6073E-02 .6048E-02 .5153E-02 .5153E-02
2.0 .5957E-02 .5956E-02 .5154E-02 .5154E-02
3.0 .5416E-02 .5462E-02 .4918E-02 .4910E-02
5.0 .4378E-02 .4472E-02 .4296E-02 .4289E-02
7.0 .3623E-02 .3759E-02 .3762E-02 .3752E-02
10. .2885E-02 .3039E-02 .3153E-02 .3145E-02
15. .2176E-02 .2332E-02 .2495E-02 .2488E-02
20. .1771E-02 .1908E-02 .2077E-02 .2072E-02
30. .1307E-02 .1421E-02 .1574E-02 .1571E-02
50. .8761E-03 .9620E-03 .1084E-02 .1084E-02
70. — .7409E-03 .8411E-03 .8403E-03
100. — .5566E-03 .6369E-03 .6361E-03