Charge-Changing Cross Sections

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H⁺ + H(1s²S) → H⁺ + H^*(2l²L)

Table 1 (Theory)

FBA calculations

E, MeV	σ_1s-2l, 10^-16 cm²
E, MeV	2s²S	2p²P
0.001	.8431E-01	.4083E-01
0.0015	.1761E+00	.1233E+00
0.002	.2620E+00	.2366E+00
0.003	.3864E+00	.4919E+00
0.005	.4865E+00	.9293E+00
0.007	.4957E+00	.1214E+01
0.01	.4612E+00	.1446E+01
0.015	.3885E+00	.1578E+01
0.02	.3290E+00	.1583E+01
0.03	.2485E+00	.1489E+01
0.05	.1653E+00	.1267E+01
0.07	.1235E+00	.1095E+01
0.10	.8950E-01	.9133E+00
0.15	.6131E-01	.7231E+00
0.20	.4662E-01	.6040E+00
0.30	.3152E-01	.4608E+00
0.50	.1913E-01	.3202E+00
0.70	.1373E-01	.2491E+00
1.0	.9649E-02	.1892E+00
1.5	.6453E-02	.1371E+00
2.0	.4847E-02	.1085E+00
3.0	.3237E-02	.7753E-01
5.0	.1945E-02	.5024E-01
7.0	.1390E-02	.3754E-01
10.	.9735E-03	.2745E-01
15.	.6493E-03	.1912E-01
20.	.4871E-03	.1476E-01
30.	.3248E-03	.1020E-01
50.	.1949E-03	.6360E-02
70.	.1392E-03	.4645E-02
100.	.9747E-04	.3320E-02

H⁺ + H(1s²S) → H⁺ + H^*(3l²L)

Table 2 (Theory)

FBA calculations

E, MeV	σ_1s-3l, 10^-16 cm²
E, MeV	3s²S	3p²P	3d²D
0.001	.8454E-02	.3533E-02	.1260E-03
0.0015	.2065E-01	.1258E-01	.6065E-03
0.002	.3427E-01	.2708E-01	.1578E-02
0.003	.5803E-01	.6524E-01	.4773E-02
0.005	.8345E-01	.1422E+00	.1284E-01
0.007	.9025E-01	.1981E+00	.1955E-01
0.01	.8756E-01	.2466E+00	.2565E-01
0.015	.7579E-01	.2764E+00	.2910E-01
0.02	.6487E-01	.2797E+00	.2895E-01
0.03	.4938E-01	.2639E+00	.2594E-01
0.05	.3294E-01	.2235E+00	.1993E-01
0.07	.2462E-01	.1921E+00	.1588E-01
0.10	.1783E-01	.1592E+00	.1208E-01
0.15	.1221E-01	.1252E+00	.8608E-02
0.20	.9278E-02	.1042E+00	.6677E-02
0.30	.6269E-02	.7905E-01	.4607E-02
0.50	.3803E-02	.5464E-01	.2842E-02
0.70	.2729E-02	.4238E-01	.2055E-02
1.0	.1917E-02	.3211E-01	.1452E-02
1.5	.1282E-02	.2322E-01	.9754E-03
2.0	.9630E-03	.1836E-01	.7344E-03
3.0	.6430E-03	.1310E-01	.4915E-03
5.0	.3863E-03	.8483E-02	.2959E-03
7.0	.2761E-03	.6338E-02	.2117E-03
10.	.1933E-03	.4634E-02	.1483E-03
15.	.1289E-03	.3230E-02	.9899E-04
20.	.9672E-04	.2493E-02	.7428E-04
30.	.6449E-04	.1724E-02	.4955E-04
50.	.3870E-04	.1077E-02	.2974E-04
70.	.2765E-04	.7871E-03	.2125E-04
100.	.1936E-04	.5631E-03	.1488E-04

H⁺ + H(1s²S) → H⁺ + H ^*(4l²L)

Table 3 (Theory)

FBA calculations

E, MeV	σ_1s-4l, 10^-16 cm²
E, MeV	4s²S	4p²P	4d²D
0.001	.2478E-02	.9879E-03	.4366E-04
0.0015	.6358E-02	.3705E-02	.2230E-03
0.002	.1094E-01	.8280E-02	.6063E-03
0.003	.1943E-01	.2098E-01	.1948E-02
0.005	.2932E-01	.4818E-01	.5585E-02
0.007	.3243E-01	.6879E-01	.8780E-02
0.01	.3197E-01	.8711E-01	.1179E-01
0.015	.2797E-01	.9870E-01	.1361E-01
0.02	.2404E-01	.1002E+00	.1363E-01
0.03	.1835E-01	.9473E-01	.1228E-01
0.05	.1226E-01	.8013E-01	.9453E-02
0.07	.9163E-02	.6877E-01	.7535E-02
0.10	.6635E-02	.5690E-01	.5734E-02
0.15	.4542E-02	.4466E-01	.4084E-02
0.20	.3452E-02	.3709E-01	.3167E-02
0.30	.2332E-02	.2810E-01	.2184E-02
0.50	.1414E-02	.1938E-01	.1347E-02
0.70	.1015E-02	.1502E-01	.9741E-03
1.0	.7130E-03	.1137E-01	.6882E-03
1.5	.4767E-03	.8216E-02	.4622E-03
2.0	.3580E-03	.6493E-02	.3479E-03
3.0	.2391E-03	.4631E-02	.2329E-03
5.0	.1436E-03	.2997E-02	.1402E-03
7.0	.1026E-03	.2239E-02	.1003E-03
10.	.7188E-04	.1637E-02	.7027E-04
15.	.4794E-04	.1141E-02	.4689E-04
20.	.3596E-04	.8809E-03	.3519E-04
30.	.2398E-04	.6093E-03	.2347E-04
50.	.1439E-04	.3807E-03	.1409E-04
70.	.1028E-04	.2783E-03	.1007E-04
100.	.7196E-05	.1992E-03	.7047E-05

H⁺ + H(1s²S) → H⁺ + H ^*(5l²L)

Table 4 (Theory)

FBA calculations

E, MeV	σ_1s-5l, 10^-16 cm²
E, MeV	5s²S	5p²P	5d²D
0.001	.1075E-02	.4195E-03	.1998E-04
0.0015	.2819E-02	.1609E-02	.1047E-03
0.002	.4927E-02	.3659E-02	.2905E-03
0.003	.8945E-02	.9491E-02	.9591E-03
0.005	.1381E-01	.2233E-01	.2833E-02
0.007	.1544E-01	.3225E-01	.4520E-02
0.01	.1534E-01	.4118E-01	.6140E-02
0.015	.1349E-01	.4690E-01	.7140E-02
0.02	.1161E-01	.4772E-01	.7177E-02
0.03	.8878E-02	.4514E-01	.6480E-02
0.05	.5933E-02	.3816E-01	.4996E-02
0.07	.4436E-02	.3273E-01	.3983E-02
0.10	.3212E-02	.2706E-01	.3031E-02
0.15	.2199E-02	.2121E-01	.2158E-02
0.20	.1671E-02	.1761E-01	.1674E-02
0.30	.1129E-02	.1333E-01	.1154E-02
0.50	.6845E-03	.9187E-02	.7118E-03
0.70	.4912E-03	.7115E-02	.5146E-03
1.0	.3451E-03	.5384E-02	.3636E-03
1.5	.2307E-03	.3889E-02	.2441E-03
2.0	.1733E-03	.3073E-02	.1838E-03
3.0	.1157E-03	.2191E-02	.1230E-03
5.0	.6949E-04	.1418E-02	.7404E-04
7.0	.4967E-04	.1059E-02	.5296E-04
10.	.3478E-04	.7744E-03	.3712E-04
15.	.2320E-04	.5398E-03	.2477E-04
20.	.1740E-04	.4167E-03	.1858E-04
30.	.1160E-04	.2882E-03	.1240E-04
50.	.6963E-05	.1801E-03	.7441E-05
70.	.4974E-05	.1317E-03	.5316E-05
100.	.3482E-05	.9425E-04	.3722E-05

H⁺ + H₂ → H⁺ + H₂ ⁺ + e^-

Table 5 (Experiment)

M.E.Rudd, R.D. DuBois, L.H. Toburen, C.A. Ratcliffe, T.V.Goffe // Phys. Rev. A v.28 p.3244 (1983)

E, MeV	σ_ion, 10^-16 cm²	σ_ion, 10^-16 cm²/atom
0.005	0.262	0.1310
0.007	0.406	0.2030
0.010	0.633	0.3165
0.015	1.01	0.5050
0.02	1.37	0.6850
0.03	1.93	0.9650
0.05	2.46	1.2300
0.07	2.49	1.2450
0.10	2.26	1.1300
0.15	1.81	0.9050
0.20	1.49	0.7450
0.30	1.09	0.5450
0.50	0.716	0.3580
0.70	0.537	0.2685
1.0	0.395	0.1975
1.5	0.277	0.1385
2.0	0.215	0.1075
3.0	0.150	0.0750
5.0	0.095	0.0475

H⁺ + H(nl=1s) → H⁺ + H ⁺ + e^-

Table 6 (Theory)

E, MeV	σ_1s, 10^-16 cm²
E, MeV	FBA
0.001	.1047E-01
0.002	.8141E-01
0.003	.2200E+00
0.005	.5975E+00
0.007	.9816E+00
0.01	.1446E+01
0.015	.1907E+01
0.02	.2106E+01
0.03	.2150E+01
0.05	.1875E+01
0.07	.1591E+01
0.10	.1278E+01
0.15	.9591E+00
0.20	.7695E+00
0.30	.5556E+00
0.50	.3627E+00
0.70	.2722E+00
1.0	.1999E+00
1.5	.1403E+00
2.0	.1089E+00
3.0	.7603E-01
5.0	.4819E-01
7.0	.3563E-01
10.	.2583E-01
15.	.1790E-01
20.	.1379E-01
30.	.9530E-02
50.	.5977E-02
70.	.4395E-02
100.	.3174E-02