Happel, T.; Reinke, M.L.; Silvagni, D.; Bernert, M.; Grover, O.; Hennequin, P.; Hubbard, A.E.; Plank, U.; Trier, E.; Brida, D. et al.; David, P.; Fischer, R.; Gil, L.; Höfler, K.; Manz, P.; McDermott, R. M.; Merle, A.; Stroth, U.; Viezzer, E.; Willensdorfer, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; EUROfusion MST1 Team; Team, t.: Approaching detachment in I-mode–response of core confinement and the edge pedestal in the ASDEX Upgrade tokamak. Nuclear Fusion 61, 036026 (2021)

Henderson, S. S.; Bernert, M.; Giroud, C.; Brida, D.; Cavedon, M.; David, P.; Dux, R.; Harrison, J. R.; Huber, A.; Kallenbach, A. et al.; Karhunen, J.; Lomanowski, B.; Matthews, G.; Meigs, A.; Pitts, R.A.; Reimold, F.; Reinke, M.L.; Silburn, S.; Vianello, N.; Wiesen, S.; Wischmeier, M.; EUROfusion MST1 Team; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; JET Contributors: Parameter dependencies of the experimental nitrogen concentration required for detachment on ASDEX Upgrade and JET. Nuclear Materials and Energy 28, 101000 (2021)

Herrmann, A.; Rohde, V.; Schall, G.; Balden, M.; Bösser, D.; Hegele, K.; Hunger, K.; Stober, J.; Vierle, T.; Vorbrugg, S. et al.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: A hot steam leak during baking of ASDEX Upgrade – Consequences and lessons learned. Fusion Engineering and Design 167, 112385 (2021)

Hillairet, J.; Mollard, P.; Colas, L.; Helou, W.; Urbanczyk, G.; Bernard, J.-M.; Delaplanche, J.-M.; Durand, F.; Faure, N.; Garibaldi, P. et al.; Lombard, G.; Bourdelle, C.; Desgranges, C.; Delmas, E.; Dumont, R.; Ekedahl, A.; Ferlay, F.; Goniche, M.; Guillemaut, C.; Hoang, G. T.; Maget, P.; Volpe, R.; Song, Y.; Yang, Q.; Chen, Z.; Wang, Y.; Xu, H.; Yuan, S.; Zhao, Y.; Durodie, F.; Lerche, E.; Ragona, R.; Bertelli, N.; Ono, M.; Shiraiwa, S.; Bobkov, V.; Klepper, C.; Lau, C.; Martin, E.; Lu, B.; Maggiora, R.; Milanesio, D.; Vulliez, K.; Wallace, G.; Team, W.: WEST actively cooled load resilient ion cyclotron resonance heating system results. Nuclear Fusion 61, 096030 (2021)

Hoelzl, M.; Huijsmans, G. T. A.; Pamela, S. J. P.; Becoulet, M.; Nardon, E.; Artola, F. J.; Nkonga, B.; Atanasiu, C. V.; Bandaru, V.; Bhole, A. et al.; Bonfiglio, D.; Cathey, A.; Czarny, O.; Dvornova, A.; Feher, T.; Fil, A.; Franck, E.; Futatani, S.; Gruca, M.; Guillard, H.; Haverkort, J. W.; Holod, I.; Hu, D.; Kim, S. K.; Korving, S. Q.; Kos, L.; Krebs, I.; Kripner, L.; Latu, G.; Liu, F.; Merkel, P.; Meshcheriakov, D.; Mitterauer, V.; Mochalskyy, S.; Morales, J. A.; Nies, R.; Nikulsin, N.; Orain, F.; Pratt, J.; Ramasamy, R.; Ramet, P.; Reux, C.; Särkimäki, K.; Schwarz, N.; Singh Verma , P.; Smith, S. F.; Sommariva, C.; Strumberger, E.; Vugt, D. C. v.; Verbeek, M.; Westerhof, E.; Wieschollek, F.; Zielinski, J.: The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas. Nuclear Fusion 61, 065001 (2021)

Janky, F.; Fable, E.; Englberger, M.; Treutterer, W.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Validation of the Fenix ASDEX Upgrade flight simulator. Fusion Engineering and Design 163, 112126 (2021)

Jansen van Vuuren, A.; Geiger, B.; Schneider, P. A.; Bogar, K.; Poloskei, P. Z.; Cathey, A.; Hoelzl, M.; Jacobsen, A. S.; Cavedon, M.; Dux, R. et al.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Experimental study of ELM induced fast-ion transport using passive FIDA spectroscopy at the ASDEX Upgrade tokamak. Nuclear Fusion 61, 046001 (2021)

Kallenbach, A.: 30 Jahre ASDEX Upgrade. Physik in unserer Zeit 52 (3), pp. 116 - 122 (2021)

Kallenbach, A.; Bernert, M.; David, P.; Dunne, M. G.; Dux, R.; Fable, E.; Fischer, R.; Gil, L.; Görler, T.; Janky, F. et al.; McDermott, R. M.; Suttrop, W.; Tardini, G.; Wischmeier, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; EUROfusion MST1 Team: Developments towards an ELM-free pedestal radiative cooling scenario using noble gas seeding in ASDEX Upgrade. Nuclear Fusion 61, 016002 (2021)

Kang, B. J.; Angioni, C.; Hahm, T. S.: Nonlinear gyrokinetic simulation of saturated turbulence produced by fast ion precession driven drift instability in reversed shear plasmas. Physics Letters A 414 (9), 127632 (2021)

Kappatou, A.; Weiland, M.; Bilato, R.; Kazakov, Y. O.; Dux, R.; Bobkov, V.; Pütterich, T.; McDermott, R. M.; EUROfusion MST1 Team; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: CXRS measurements of energetic helium ions in ASDEX Upgrade plasmas heated with a 3-ion ICRF scenario. Nuclear Fusion 61, 036017 (2021)

Käsemann, C.-P.; Peglau, M.; Schmidt, A. B.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Rebuilding and optimization of a high voltage power supply for the additional heating systems of ASDEX Upgrade. Fusion Engineering and Design 170, 112533 (2021)

Kazakov, Y. O.; Ongena, J.; Wright, J. C.; Wukitch, S. J.; Bobkov, V.; Garcia, J.; Kiptily, V. G.; Mantsinen, M. J.; Nocente, M.; Schneider, M. et al.; Weisen, H.; Baranov, Y.; Baruzzo, M.; Bilato, R.; Chomiczewska, A.; Coelho, R.; Craciunescu, T.; Crombe, K.; Dreval, M.; Dumont, R.; Dumortier, P.; Durodie, F.; Eriksson, J.; Fitzgerald, M.; Galdon-Quiroga, J.; Gallart, D.; Garcia-Munoz, M.; Giacomelli, L.; Giroud, C.; Gonzalez-Martin, J.; Hakola, A.; Jacquet, P.; Johnson, T.; Kappatou, A.; Keeling, D.; King, D.; Kirov, K. K.; Lamalle, P.; Lennholm, M.; Lerche, E.; Maslov, M.; Mazzi, S.; Menmuir, S.; Monakhov, I.; Nabais, F.; Nave, M. F. F.; Ochoukov, R.; Polevoi, A. R.; Pinches, S. D.; Plank, U.; Rigamonti, D.; Salewski, M.; Schneider, P. A.; Sharapov, S. E.; Stancar, Z.; Thorman, A.; Valcarcel, D.; Van Eester, D.; Van Schoor, M.; Varje, J.; Weiland, M.; Wendler, N.; JET Contributors; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society; Alcator C-Mod Team: Physics and applications of three-ion ICRF scenarios for fusion research. Physics of Plasmas 28, 020501 (2021)

Kiefer, C. K.; Angioni, C.; Tardini, G.; Bonanomi, N.; Geiger, B.; Mantica, P.; Pütterich, T.; Fable, E.; Schneider, P. A.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society et al.; EUROfusion MST1 Team; JET Contributors: Validation of quasi-linear turbulent transport models against plasmas with dominant electron heating for the prediction of ITER PFPO-1 plasmas. Nuclear Fusion 61, 066035 (2021)

Kilian, S.; Rohde, V.; Hübner, J.; Stelzer, F.; Uhlmann, M.: Erfahrungen aus der Prüfung einer Kernfusionsanlage als Ex-Anlage nach BetrSichV. Technische Sicherheit 11 (07-08), pp. 55 - 62 (2021)

Kirov, K. K.; Belonohy, E.; Challis, C. D.; Eriksson, J.; Frigione, D.; Garzotti, L.; Giacomelli, L.; Hobirk, J.; Kappatou, A.; Keeling, D. et al.; King, D.; Lerche, E.; Lomas, P. J.; Nocente, M.; Reux, C.; Rimini, F. G.; Sips, A. C. C.; Van Eester, D.; JET Contributors: Analysis of the fusion performance, beam-target neutrons and synergistic effects of JET's high-performance pulses. Nuclear Fusion 61, 046017 (2021)

Koleva, M.; Tardini, G.; Zohm, H.; Äkäslompolo, S.; Leppänen, J.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Calibration of neutron detectors at ASDEX Upgrade, measurement and model. Fusion Engineering and Design 167, 112702 (2021)

Kudlacek, O.; Bosman, T.; Felici, F.; Giannone, L.; van Mulders, S.; Sauter, O.; Sieglin, B.; Treutterer, W.; Vu, N. M. T.; Weiland, M. et al.; Angioni, C.; Bilato, R.; Bonanomi, N.; Gomez Ortiz, I.; Gräter, A.; Fischer, R.; Kong, M.; Maceina, T.; Zehetbauer, T.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Developments on actuator management, plasma state reconstruction, and control on ASDEX Upgrade. Fusion Engineering and Design 171, 112563 (2021)

Kurzan, B.; Lohs, A.; Sellmair, G.; Sochor, M.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Design and first measurements of the divertor Thomson scattering system on the ASDEX Upgrade tokamak. Journal of Instrumentation 16, C09012 (2021)

Lang, P. T.; Baylor, L. R.; Craciunescu, T.; Gebhart, T. E.; Meitner, S. J.; Ploeckl, B.; ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society: Developing fuel sources for a steady-state multi-purpose pellet launching system. Fusion Engineering and Design 166, 112273 (2021)