Europium (Eu)
Persistent Lines of Neutral Europium ( Eu I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
90 3111.427 0.34 0.00 4f76s2 a 8S° 7/2 ST76 M00
32130.25 4f6(7F)5d6s2 8P 9/2
90 3212.804 0.33 0.00 4f76s2 a 8S° 7/2 ST76 M00
31116.38 4f6(7F)5d6s2 8P 7/2
90 3334.313 0.39 0.00 4f76s2 a 8S° 7/2 ST76 M00
29982.50 4f6(7F)5d6s2 8P 5/2
1000 4594.03 1.60 0.00 4f76s2 a 8S° 7/2 MCS75 M00
21761.26 4f7(8S°)6s6p(1P°) y 8P 9/2
900 4627.22 1.53 0.00 4f76s2 a 8S° 7/2 MCS75 M00
21605.17 4f7(8S°)6s6p(1P°) y 8P 7/2
800 4661.88 1.45 0.00 4f76s2 a 8S° 7/2 MCS75 M00
21444.58 4f7(8S°)6s6p(1P°) y 8P 5/2
70 5215.10 0.40 13778.68 4f7(8S°)5d (9D°)6s a 10D° 13/2 MCS75 HWL02
32948.41 4f7(8S°)5d (9D°)6p y 10P 11/2
50 5357.61 0.23 13457.21 4f7(8S°)5d (9D°)6s a 10D° 11/2 MCS75 HWL02
32117.10 4f7(8S°)5d (9D°)6p z 10D 13/2
50 5830.98 0.51 13778.68 4f7(8S°)5d (9D°)6s a 10D° 13/2 MCS75 HWL02
30923.71 4f7(8S°)5d (9D°)6p z 10F 15/2
