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σ 1s σ 2s σ 2p

H + + Br(nl=1s) → H + + Br + + e-

Table 1 (Theory)

E, MeV σ 1s , 10 -16 cm 2
KH69 BE78 RHF [CL74] RHF [BU93]
0.015 — — .3801E-16 .3806E-16
0.02 — — .1607E-14 .1609E-14
0.03 — .1742E-13 .3162E-13 .3165E-13
0.05 — .2675E-12 .4984E-12 .4988E-12
0.07 — .1299E-11 .2400E-11 .2401E-11
0.10 — .6159E-11 .1125E-10 .1125E-10
0.15 .4329E-10 .3328E-10 .5839E-10 .5841E-10
0.20 .1332E-09 .1055E-09 .1769E-09 .1769E-09
0.30 .5721E-09 .5084E-09 .7763E-09 .7763E-09
0.50 .3702E-08 .3254E-08 .4297E-08 .4297E-08
0.70 .1194E-07 .1016E-07 .1192E-07 .1192E-07
1.0 .3353E-07 .3107E-07 .3157E-07 .3157E-07
1.5 .1004E-06 .9884E-07 .8228E-07 .8227E-07
2.0 .2128E-06 .2059E-06 .1463E-06 .1463E-06
3.0 .5085E-06 .5060E-06 .2834E-06 .2834E-06
5.0 .1239E-05 .1235E-05 .5166E-06 .5166E-06
7.0 .1913E-05 .1925E-05 .6926E-06 .6926E-06
10. .2744E-05 .2740E-05 .9181E-06 .9181E-06
15. .3607E-05 .3564E-05 .1290E-05 .1290E-05
20. .3991E-05 .3956E-05 .1650E-05 .1650E-05
30. .4152E-05 .4133E-05 .2207E-05 .2207E-05
50. .3738E-05 .3783E-05 .2676E-05 .2676E-05
70. .3272E-05 .3325E-05 .2710E-05 .2710E-05
100. .2705E-05 .2766E-05 .2527E-05 .2527E-05

H + + Br(nl=2s) → H + + Br + + e-

Table 2 (Theory)

E, MeV σ 2s , 10 -16 cm 2
CH73 BE78
0.002 — .1217E-12
0.003 — .3860E-11
0.005 — .8086E-10
0.007 — .4201E-09
0.01 — .1999E-08
0.015 — .9607E-08
0.02 — .2655E-07
0.03 — .9390E-07
0.05 .3408E-06 .3329E-06
0.07 .5721E-06 .5854E-06
0.10 .8148E-06 .8088E-06
0.15 .1220E-05 .1125E-05
0.20 .2925E-05 .2470E-05
0.30 .1186E-04 .1063E-04
0.50 .4420E-04 .4389E-04
0.70 .8382E-04 .8313E-04
1.0 .1353E-03 .1343E-03
1.5 .1920E-03 .1909E-03
2.0 .2222E-03 .2206E-03
3.0 .2371E-03 .2396E-03
5.0 .2234E-03 .2257E-03
7.0 .1967E-03 .2011E-03
10. .1642E-03 .1697E-03
15. .1276E-03 .1339E-03
20. .1046E-03 .1110E-03
30. .7747E-04 .8349E-04
50. .5271E-04 .5717E-04
70. .4002E-04 .4392E-04
100. .3120E-04 .3308E-04

H + + Br(nl=2p) → H + + Br + + e-

Table 3 (Theory)

E, MeV σ 2p , 10 -16 cm 2
CH73 BE78
0.002 — .1629E-13
0.003 — .7418E-12
0.005 — .2466E-10
0.007 — .1723E-09
0.01 — .1153E-08
0.015 — .8393E-08
0.02 — .3103E-07
0.03 — .1723E-06
0.05 .1713E-05 .1165E-05
0.07 .4369E-05 .3465E-05
0.10 .1028E-04 .9552E-05
0.15 .2672E-04 .2564E-04
0.20 .4882E-04 .4717E-04
0.30 .1023E-03 .1002E-03
0.50 .2209E-03 .2200E-03
0.70 .3368E-03 .3349E-03
1.0 .4805E-03 .4798E-03
1.5 .6472E-03 .6483E-03
2.0 .7500E-03 .7498E-03
3.0 .8313E-03 .8411E-03
5.0 .8432E-03 .8451E-03
7.0 .7831E-03 .7855E-03
10. .6843E-03 .6873E-03
15. .5545E-03 .5581E-03
20. .4633E-03 .4688E-03
30. .3492E-03 .3569E-03
50. .2408E-03 .2457E-03
70. .1840E-03 .1898E-03
100. .1441E-03 .1431E-03