NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableHelium Atomic DataHelium Strong LinesHelium Neutral Atom Persistent Lines Helium Neutral Atom Energy LevelsHelium Singly Ionized Persistent LinesHelium Singly Ionized Energy LevelsHelium References
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Persistent Lines of Neutral Helium ( He I )


Int.    Wavelength    Aki          Energy          Configuration    Term    J   Line   Aki
           (Å)        (108s-1)     Levels (cm-1)                                Ref.   Ref.
100 522.21309 2.4356 0.000 1s2 1S 0 M02 D96 191492.7120 1s4p 1P° 1 400 537.02992 5.6634 0.000 1s2 1S 0 M02 D96 186209.3651 1s3p 1P° 1 1000 584.33436 17.989 0.000 1s2 1S 0 M02 D96 171134.8970 1s2p 1P° 1 60 3888.6046 0.0947 159855.9745 1s2s 3S 1 M02 D96 185564.8547 1s3p 3P° 0 200 3888.6456 0.0947 159855.9745 1s2s 3S 1 M02 D96 185564.5840 1s3p 3P° 1 300 3888.6489 0.0947 159855.9745 1s2s 3S 1 M02 D96 185564.5620 1s3p 3P° 2 500 5875.6148 0.7070 169086.7666 1s2p 3P° 2 M02 D96 186101.5463 1s3d 3D 3 250 5875.6404 0.5303 169086.8430 1s2p 3P° 1 M02 D96 186101.5488 1s3d 3D 2 120 5875.9663 0.3927 169087.8309 1s2p 3P° 0 M02 D96 186101.5930 1s3d 3D 1 200 6678.1517 0.6369 171134.8970 1s2p 1P° 1 M02 D96 186104.9668 1s3d 1D 2 100 7065.1771 0.1547 169086.7666 1s2p 3P° 2 M02 D96 183236.7918 1s3s 3S 1 60 7065.2153 0.0928 169086.8430 1s2p 3P° 1 M02 D96 183236.7918 1s3s 3S 1 20 7065.7086 0.0309 169087.8309 1s2p 3P° 0 M02 D96 183236.7918 1s3s 3S 1 50 7281.3507 0.1830 171134.8970 1s2p 1P° 1 M02 D96 184864.8294 1s3s 1S 0 150 10829.0911 0.1022 159855.9745 1s2s 3S 1 M02 D96 169087.8309 1s2p 3P° 0 500 10830.2501 0.1021 159855.9745 1s2s 3S 1 M02 D96 169086.8430 1s2p 3P° 1 1000 10830.3398 0.1021 159855.9745 1s2s 3S 1 M02 D96 169086.7666 1s2p 3P° 2 500 20581.287 0.0197 166277.4403 1s2s 1S 0 M02 D96 171134.8970 1s2p 1P° 1


Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableHelium Atomic DataHelium Strong LinesHelium Neutral Atom Persistent Lines Helium Neutral Atom Energy LevelsHelium Singly Ionized Persistent LinesHelium Singly Ionized Energy LevelsHelium References
Switch to Formatted Version