Energetic Costs of Partial State Excitation of Atomic Oxygen by Auroral Electrons


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The costs for initial electron energies 100 eV, 1 keV and 10 keV were calculated for air at ~120 km (mixture of 70% N2, 10% O2 and 20% O).

#

State

Threshold, eV

Eo=100eV

Eo=1keV

Eo=10keV

Plot for Eo<50eV

With e-e collisions

1

11.05

295.5

393

416.5

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2

12.36

1438

1970

2111

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3

12.87

1360

1889

2035

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4

13.99

512.8

751.5

826.2

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5

1.9

4.952

5.645

5.672

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6

4.17

244.9

283.9

282.9

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7

9.21

1545

1880

1877

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8

11.81

17430

21760

22250

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9

12.64

24220

31150

31910

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10

10.76

1745

2175

2220

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11

12.26

8328

10670

10930

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12

12.83

8704

11420

11730

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13

12.08

80120

110500

113600

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14

12.75

214300

303000

312000

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15

13.05

153200

220800

227600

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16

12.79

3089

4601

4754

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17

9.53

322.6

387.3

409.6

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18

11.91

2189

2536

2703

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19

12.68

2669

3042

3255

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20

12.08

1021

1288

1376

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21

12.75

1272

1625

1731

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22

13.05

865.4

1101

1174

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23

12.65

325.3

376.1

396.1

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24

13.6

94.21

82.39

82.38

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25

16.9

105.9

88.73

88.54

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26

18.5

221.1

181.9

181.4

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