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@ARTICLE{Reimer:837021,
      author       = {Reimer, R. and Marchuk, O. and Geiger, B. and Mc Carthy, P.
                      J. and Dunne, M. and Hobirk, J. and Wolf, R.},
      title        = {{I}nfluence of non-local thermodynamic equilibrium and
                      {Z}eeman effects on magnetic equilibrium reconstruction
                      using spectral motional {S}tark effect diagnostic},
      journal      = {Review of scientific instruments},
      volume       = {88},
      number       = {8},
      issn         = {1089-7623},
      address      = {[S.l.]},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2017-06037},
      pages        = {083509},
      year         = {2017},
      abstract     = {The Motional Stark Effect (MSE) diagnostic is a well
                      established technique to infer the local internal magnetic
                      field in fusion plasmas. In this paper, the existing forward
                      model which describes the MSE data is extended by the Zeeman
                      effect, fine-structure, and relativistic corrections in the
                      interpretation of the MSE spectra for different experimental
                      conditions at the tokamak ASDEX Upgrade. The contribution of
                      the non-Local Thermodynamic Equilibrium (non-LTE)
                      populations among the magnetic sub-levels and the Zeeman
                      effect on the derived plasma parameters is different. The
                      obtained pitch angle is changed by 3°…4° and by
                      0.5°…1° including the non-LTE and the Zeeman effects
                      into the standard statistical MSE model. The total
                      correction is about 4°. Moreover, the variation of the
                      magnetic field strength is significantly changed by $2.2\%$
                      due to the Zeeman effect only. While the data on the derived
                      pitch angle still could not be tested against the other
                      diagnostics, the results from an equilibrium reconstruction
                      solver confirm the obtained values for magnetic field
                      strength.},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000409178100033},
      doi          = {10.1063/1.4994889},
      url          = {https://juser.fz-juelich.de/record/837021},
}