Table 4 Oscillator strength intensities and wave number of hyperfine transitions as upper energy level “31553.88”

2

2

22300.41

6.790

− 4.1085

2

3

22300.40

1.543

− 4.5946

3

2

22300.44

1.543

− 4.5946

3

3

22300.43

7.699

− 4.0605

3

4

22300.41

2.424

− 4.4654

4

3

22300.47

2.424

− 4.4654

4

4

22300.45

9.818

− 3.9658

4

5

22300.42

2.758

− 4.4251

5

4

22300.49

2.758

− 4.4251

5

5

22300.45

13.062

− 3.8520

5

6

22300.40

2.514

− 4.4542

6

5

22300.49

2.514

− 4.4542

6

6

22300.44

17.529

− 3.7321

6

7

22300.35

1.623

− 4.5811

7

6

22300.47

1.623

− 4.5811

7

7

22300.39

23.377

− 3.6130

2

1

21578.40

6.250

− 2.9700

2

2

21578.31

1.929

− 3.4716

2

3

21578.19

0.154

− 4.4412

3

2

21578.34

8.488

− 2.8382

3

3

21578.22

2.971

− 3.2886

3

4

21578.06

0.208

− 4.3431

4

3

21578.25

11.458

− 2.7087

4

4

21578.09

3.375

− 3.2342

4

5

21577.89

0.167

− 4.4168

5

4

21578.13

15.167

− 2.5874

5

5

21577.93

3.090

− 3.2719

5

6

21577.68

0.077

− 4.6363

6

5

21577.96

19.660

− 2.4751

6

6

21577.72

2.006

− 3.4551

7

6

21577.76

25.000

− 2.3710