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Why does the anomalous Zeeman effect not show up on some atoms?

  1. Apr 12, 2014 #1
    Why does the "anomalous" Zeeman effect not show up on some atoms?

    I read this:
    I don't see why the electron spin affected the number of lines to go up in some atoms and not in others. The electron(s) on the H atom also have spin.

    Thank you.
  2. jcsd
  3. Apr 14, 2014 #2


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    Staff: Mentor

    I guess that that's a quote from HyperPhysics. I must say that I don't get it either: the normal Zeeman effect is seen in states with ##S=0## (such as in helium), which is not the case for hydrogen (##S=1/2##).
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