Publications of J. Geiger

Schmitt, J.; Maurer, D.; Pablant, N.; Andreeva, T.; Geiger, J.; Lazerson, S.; Neuner, U.; Rahbarnia, K.; Schilling, J.; Thomsen, H. et al.; Turkin, Y.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Reconstructions of toroidal current profiles for bootstrap current discharges in Wendelstein 7-X. 62nd Annual Meeting of the APS Division of Plasma Physics, Virtual Edition (submitted)

Tanaka, K.; Warmer, F.; Nunami, M.; Ohtani, Y.; Nakata, M.; Tsujimura, T.; Yoshinuma, M.; Takahashi, H.; Yanai, R.; Shimozuma, T. et al.; Yokoyama, M.; Seki, R.; Satake, S.; Sugama, H.; Tokuzawa, T.; Yasuhara, R.; Takemura, Y.; Funaba, H.; Yamada, I.; Ida, K.; Peterson, B.; Suzuki, Y.; Kubo, S.; Suzuki, C.; Osakabe, M.; Morisaki, T.; Yamada, H.; Xanthopoulos, P.; Helander, P.; Beidler, C. D.; Stange, T.; Smith, H.; Turkin, Y.; Brunner, K. J.; Stechow, A. v.; Geiger, J.; Pablant, N.; Langenberg, A.; Pasch, E.; Fuchert, G.; Bozhenkov, S.; Scott, E.; Wolf, R. C.; Plunk, G.; Zhang, D.: Magnetic Configuration Effects on Turbulence Driven Transport from LHD and W7-X Identical Experiments. 28th IAEA Fusion Energy Conference (FEC 2020), Virtual (submitted)

Äkäslompolo, S.; Ali, A.; Baldzuhn, J.; Biedermann, C.; Bozhenkov, S.; Dhard, C. P.; Drewelow, P.; Endler, M.; Fellinger, J.; Ford, O. et al.; Gao, Y.; Geiger, B.; Geiger, J.; Hartmann, D.; Isobe, M.; Jakubowski, M.; Killer, C.; Kontula, J.; Kurki-Suonio, T.; Lazerson, S.; McNeely, P.; Neelis, T. W. C.; Niemann, H.; Kazakov, Y.; Ogawa, K.; Pisano, F.; Poloskei, P. Z.; Rahbarnia, K.; Rust, N.; Schmitt, J.; Puig Sitjes, A.; Sleczka, M.; Vano, L.; Vuuren, A. v.; Wurden, G.; Wolf, R. C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Validating the ASCOT modelling of NBI fast ions in Wendelstein 7-X. 3rd European Conference on Plasma Diagnostics (ECPD 2019), Lisbon (submitted)

Andreeva, T.; Hirsch, M.; Wurden, G.; Alonso, A.; Beidler, C.; Bozhenkov, S.; Brakel, R.; Brandt, C.; Burhenn, R.; Bykov, V. et al.; Dinklage, A.; Fuchert, G.; Geiger, J.; Grahl, M.; Grulke, O.; Jakubowski, M.; Kocsis, G.; Klinger, T.; Krämer-Flecken, A.; Lazerson, S.; Neuner, U.; Rahbarnia, K.; Thomsen, H.; Trier, E.; Zhu, J.; Zoletnik, S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Mode observations and confinement characterization during configuration scans in Wendelstein 7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Effenberg, F.; Brezinsek, S.; Feng, Y.; Frerichs, H.; Geiger, J.; Jakubowski, M.; König, R.; Krychowiak, M.; Lore, J.D.; Naujoks, D. et al.; Niemann, H.; Reimold, F.; Schmitt, J.C.; Schmitz, O.; Pedersen, T. S.; Wurden, G.A.; Zhang, D.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Development of impurity seeding for divertor power flux handling in Wendelstein 7-X long-pulse scenarios. 19th International Conference on Fusion Reactor Materials (ICFRM-19), La Jolla, CA (submitted)

Gao, Y.; Jakubowski, M. W.; König, R.; Endler, M.; Otte, M.; Naujoks, D.; Dhard, C. P.; Geiger, J.; Feng, Y.; Rack, M. et al.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Understanding and potential methods to mitigate baffle overloads observed on W7-X. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Gao, Y.; Jakubowski, M.; Zanini, M.; Geiger, J.; Drewelow, P.; Niemann, H.; Laqua, H. P.; Stange, T.; Marsen, S.; Rahbarnia, K. et al.; Pisano, F.; Cannas, B.; Puig Sitjes, A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: ECCD effects on the divertor power distributions on W7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Hammond, K. C.; Ali, A.; Barbui, T.; Blackwell, B. D.; Drewelow, P.; Drews, P.; Endler, M.; Gao, Y.; Geiger, J.; Grulke, O. et al.; Jakubowski, M.; Killer, C.; Klose, S.; Krychowiak, M.; Niemann, H.; Puig Sitjes, A.; Rudischhauser, L.; Windisch, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Observation of drift effects on W7-X divertor heat and particle fluxes. 46th EPS Conference on Plasma Physics, Milan (submitted)

Huang, Z.; Liang, Y.; Knieps, A.; Drews, P.; Killer, C.; Nicolai, D.; Geiger, J.; Höschen, D.; Satheeswaran, G.; Liu, S. C. et al.; Grulke, O.; Jakubowski, M.; Brezinsek, S.; Neubauer, O.; Schweer, B.; Li, Y. L.; Cai, J. Q.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Edge radial profile measurement of magnetic fluctuations using 3D pick up coils and a differential coil on W7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Knieps, A.; Suzuki, Y.; Drews, P.; Liang, Y.; Killer, C.; Geiger, J.; Grulke, O.; Höschen, D.; Nicolai, D.; Offermanns, G. et al.; Rahbarnia, K.; Satheeswaran, G.; Schweer, B.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Impact of plasma pressure on the edge magnetic field of Wendelstein 7-X. 46th EPS Conference on Plasma Physics, Milan (submitted)

Li, Y.; Gunn, J. P.; Liu, X.; Xu, G.; Morales, J.; Gil, C.; Clairet, F.; Vezinet, D.; Yan, N.; Liu, S. et al.; Nielsen, A.; Tsitrone, E.; Brezinsek, S.; Liang, Y.; Xiao, C.; Geiger, J.; Killer, C.; Grulke, O.; Jakubowski, M.; Otte, M.; EAST Team; WEST Team; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Universality of the upstream ion to electron temperature ratio dependence on the normalized collisionality in the scrape-off layer of magnetically confined devices. 24th International Conference on Plasma Surface Interactions in Controlled Fusion Devices (PSI 24) (virtual), Jeju (submitted)

Li, Y.; Henkel, M.; Liang, Y.; Knieps, A.; Drews, P.; Killer, C.; Nicolai, D.; Cosfeld, J.; Geiger, J.; Feng, Y. et al.; Effenberg, F.; Höschen, D.; Satheeswaran, G.; Liu, S.; Grulke, O.; Jakubowski, M.; Brezinsek, S.; Otte, M.; Neubauer, O.; Schweer, B.; Xu, G. S.; Cai, J.; Huang, Z.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Measurement of edge ion temperature in W7-X with island divertor by retarding field analyzer. 46th EPS Conference on Plasma Physics, Milan (submitted)

Schmitt, J. C.; Andreeva, T.; Geiger, J.; Lazerson, S.; Maurer, D.; Neuner, U.; Pablant, N.; Rahbarnia, K.; Schilling, J.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Parametric Equilibrium Reconstructions for W7-X with V3FIT. 46th EPS Conference on Plasma Physics, Milan (submitted)

Schmitt, J. C.; Maurer, D.; Lazerson, S.; Pablant, N.; Andreeva, T.; Geiger, J.; Neuner, U.; Rahbarnia, K.; Schilling, J.; W7-X Team: Parametric Equilibrium Reconstructions for Wendelstein 7-X with V3FIT. 61st Annual Meeting of the APS Division of Plasma Physics, Fort Lauderdale, FL (submitted)

Smith, H. M.; Beidler, C. D.; Turkin, Y.; Bozhenkov, S.; Ford, O.; Fuchert, G.; Geiger, J.; Helander, P.; Marushchenko, N.; Pablant, N. et al.; Pasch, E.; Stechow, A. v.; Pedersen, T. S.; Wolf, R.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Would the Wendelstein 7-X "record discharge" have been possible in other magnetic configurations? 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Suzuki, Y.; Futatani, S.; Geiger, J.: Nonlinear MHD simulation of plasma termination events in stellarators. 46th EPS Conference on Plasma Physics, Milan (2019)

Thomsen, H.; Andreeva, T.; Baldzuhn, J.; Bozhenkov, S.; Brandt, C.; Geiger, J.; Laqua, H. P.; Klinger, T.; Könies, A.; Neuner, U. et al.; Nührenberg, C.; Rahbarnia, K.; Schilling, J.; Stange, T.; Stechow, A. v.; Zanini, M.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Observation of MHD phenomena in Wendelstein 7-X during the first divertor campaign. 22nd International Stellarator and Heliotron Workshop 2019 (ISHW 2019), Madison, WI (submitted)

Andreeva, T.; Bozhenkov, S.; Brandt, C.; Endler, M.; Fuchert, G.; Geiger, J.; Grahl, M.; Klinger, T.; Krychowiak, M.; Langenberg, A. et al.; Lazerson, S.; Neuner, U.; Pablant, N.; Rahbarnia, K.; Schilling, J.; Thomsen, H.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Equilibrium evaluation for OP1.2a Wendelstein 7-X experiment programs. 30th Symposium on Fusion Technology (SOFT 2018), Giardini Naxos (submitted)

Drevlak, M.; Beidler, C. D.; Geiger, J.; Helander, P.; Henneberg, S.; Nührenberg, C.; Turkin, Y.: New Results in Stellarator Optimization. 27th IAEA Fusion Energy Conference (FEC 2018), Gandhinagar (submitted)

Han, X.; Krämer-Flecken, A.; Windisch, T.; Liu, S.; Liang, Y.; Rack, M.; Drews, P.; Cosfeld, J.; Gao, Y.; Fuchert, G. et al.; Geiger, J.; Grulke, O.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental charaterization of a quasi-coherent turbulence structure in the edge plasmas in W7-X. 45th EPS Conference on Plasma Physics, Prague (submitted)