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      Approaching Detachment in I-mode - Response of Core Confinement and the Edge Pedestal in the ASDEX Upgrade Tokamak 

      Happel, T. ; Reinke, M. L.; Silvagni, D.; Bernert, M.; Grover, O.; Hennequin, P.; Hubbard, A. E.; Plank, U.; Trier, E.; Brida, D.; Viezzer, Eleonora (Institute of Physics Publishing, 2021)
      Experiments on nitrogen assisted divertor detachment in the improved energy confinement mode (I-mode) are reported from ...
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      I-mode pedestal relaxation events at ASDEX Upgrade 

      Silvagni, D.; Eich, T.; Happel, T.; Harrer, G. F.; Griener, M.; Dunne, M. G.; Cavedon, M.; Faitsch, M.; Viezzer, Eleonora (IOP Publishing, 2020)
      The I-mode confinement regime can feature small edge temperature drops that can lead to an increase in the energy deposited ...
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      I-mode pedestal relaxation events in the Alcator C-Mod and ASDEX Upgrade tokamaks 

      Silvagni, D.; Terry, J. L.; McCarthy, W.; Hubbard, A. E.; Eich, T.; Faitsch, M.; Gil, L.; Golfinopoulos, T.; Grenfell, G.; Griener, M.; Happel, T.; Hughes, J. W.; Stroth, U.; Viezzer, Eleonora (IOP Publishing, 2022)
      In some conditions, I-mode plasmas can feature pedestal relaxation events (PREs) that transiently enhance the energy ...
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      I-mode studies at ASDEX Upgrade: L-I and I-H transitions, pedestal and confinement properties 

      Ryter, F.; Fischer, R.; Fuchs, C.; Happel, T.; McDermott, R. M.; Viezzer, Eleonora; Wolfrum, E.; Barrera Orte, L.; Bernert, M.; Burckhart, A.; Graça, S. da; Kurzan, B.; McCarthy, P.; Pütterich, T.; Suttrop, W.; Willensdorfer, M. (IOP Publishing, 2017)
      The I-mode is a plasma regime obtained when the usual L-H power threshold is high, e.g. with unfavourable ion B ∇ ...