Author: Stefan, S.B.
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TUP25 Study of the Influence of Magnetic Field Profile on Plasma Parameters in a Simple Mirror Trap 144
  • M. Mazzaglia, G. Castro, L. Celona, S. Gammino, D. Mascali, E. Naselli, R. Reitano, G. Torrisi
    INFN/LNS, Catania, Italy
  • R. Miracoli
    ESS Bilbao, Zamudio, Spain
  • E. Naselli
    Catania University, Catania, Italy
  • R. Reitano
    Università degli Studi di Catania, Catania, Italy
  • S.B. Stefan, U.F. Ursel
    MPI/IPP, Garching, Germany
  This work presents the multiple diagnostics characterization of the plasma in an axis-symmetric simple mirror trap as a function of magnetic field profile (mirror ratios and magnetic field gradient), neutral gas pressure and microwave power. The simultaneous use of Optical Emission Spectroscopy, Langmuir Probe and X-ray diagnostics allows the characterization of the whole electron energy distribution function (EEDF), from a few eV to hundreds of keV. Results show non-linear behaviours under small variations of even one source parameter and strong influence of EEDF on the Bmin/BECR ratio. Benefit and next developments will be highlighted.  
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