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Can s oribtal electrons only drop to other s orbitals?

  1. Oct 11, 2015 #1
    Just a thought:

    The momentum quantum number given for s states is l = 0. If an S state electron dropped in energy, and emitted a photon with l = 1, what would take place?


    Am I correct that the electron could only drop to a lower l = 0 (an S state) orbital?
     
  2. jcsd
  3. Oct 11, 2015 #2
    Dipole transitions from s are only allowed to p orbitals.
     
  4. Oct 11, 2015 #3
    Why can't a drop to s take place? I infer that a drop to p(l = 1) can take place because [tex]\Delta l[/tex] = 1.
     
  5. Oct 12, 2015 #4
    The dipole operator is odd, so it only gives overlap between states with odd and even symmetry.
     
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