Neutral AtomSingly Ionized Atom
Finding listPeriodic TableAtomic DataStrong LinesNeutral Atom Persistent Lines Neutral Atom Energy LevelsSingly Ionized Persistent LinesSingly Ionized Energy LevelsReferences

Persistent Lines of Neutral Europium ( Eu I )

Wavelength  Energy         Configuration      Term    J   
   (Å)      Levels (cm-1)

 3111.427        0.00      4f76s2             a 8S°   7/2 
             32130.25      4f6(7F)5d6s2       8P      9/2 
  return
 
 3212.804        0.00      4f76s2             a 8S°   7/2 
             31116.38      4f6(7F)5d6s2       8P      7/2 
  return
 
 3334.313        0.00      4f76s2             a 8S°   7/2 
             29982.50      4f6(7F)5d6s2       8P      5/2 
  return
 
 4594.03         0.00      4f76s2             a 8S°   7/2 
             21761.26      4f7(8S°)6s6p(1P°)  y 8P    9/2 
  return
 
 4627.22         0.00      4f76s2             a 8S°   7/2 
             21605.17      4f7(8S°)6s6p(1P°)  y 8P    7/2 
  return
 
 4661.88         0.00      4f76s2             a 8S°   7/2 
             21444.58      4f7(8S°)6s6p(1P°)  y 8P    5/2 
  return
 
 5215.10     13778.68      4f7(8S°)5d (9D°)6s a 10D°  13/2
             32948.41      4f7(8S°)5d (9D°)6p y 10P   11/2
  return
 
 5357.61     13457.21      4f7(8S°)5d (9D°)6s a 10D°  11/2
             32117.10      4f7(8S°)5d (9D°)6p z 10D   13/2
  return
 
 5830.98     13778.68      4f7(8S°)5d (9D°)6s a 10D°  13/2
             30923.71      4f7(8S°)5d (9D°)6p z 10F   15/2
  return