Measurement of the 1s2p 3P0 - 3P1 Fine Structure Interval in Helium-Like Magnesium

  • E. G. Myers
  • M. R. Tarbutt
Part of the Lecture Notes in Physics book series (LNP, volume 570)


Using Doppler-tuned fast-beam laser spectroscopy the 1s2p 3P0 - 3P1 fine structure interval in 24Mg10+ has been measured to be 833.133(15) cm-1. The calibration procedure used the intercombination 1s2s 1S0 - 1s2p 3P1 transition in 14N5+. The result tests quantum-electrodynamic and relativistic corrections to high precision calculations, which will be used to obtain a new value for the fine structure constant from the fine structure of helium.


Proportional Counter Carbon Foil High Precision Calculation Structure Interval Interaction Chamber 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • E. G. Myers
    • 1
  • M. R. Tarbutt
    • 2
  1. 1.Department of PhysicsFlorida State UniversityFloridaUSA
  2. 2.Clarendon LaboratoryUniversity of OxfordOxfordUK

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