Publications of H. Niemann

Journal Article (60)

41.
Journal Article
Pedersen, T. S.; König, R.; Krychowiak, M.; Jakubowski, M.; Baldzuhn, J.; Bozhenkov, S.; Fuchert, G.; Langenberg, A.; Niemann, H.; Zhang, D. et al.: First results from divertor operation in Wendelstein 7-X. Plasma Physics and Controlled Fusion 61, 014035 (2019)
42.
Journal Article
Puig Sitjes, A.; Gao, Y.; Jakubowski, M.; Drewelow, P.; Niemann, H.; Ali, A.; Moncada, V.; Pisano, F.; Ngo, T. T.; Cannas, B. et al.: Observation of thermal events on the plasma facing components of Wendelstein 7-X. Journal of Instrumentation 14, C11002 (2019)
43.
Journal Article
Zhang, D.; König, R.; Feng, Y.; Burhenn, R.; Brezinsek, S.; Jakubowski, M.; Buttenschön, B.; Niemann, H.; Pavone, A.; Krychowiak, M. et al.: First Observation of a Stable Highly Dissipative Divertor Plasma Regime on the Wendelstein 7-X Stellarator. Physical Review Letters 123, 025002 (2019)
44.
Journal Article
Böckenhoff, D.; Blatzheim, M.; Hölbe, H.; Niemann, H.; Pisano, F.; Labahn, R.; Pedersen, T. S.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Reconstruction of magnetic configurations in W7-X using artificial neural networks. Nuclear Fusion 58, 056009 (2018)
45.
Journal Article
Dinklage, A.; Beidler, C. D.; Helander, P.; Fuchert, G.; Maaßberg, H.; Rahbarnia, K.; Pedersen, T. S.; Turkin, Y.; Wolf, R. C.; Alonso, A. et al.: Magnetic configuration effects on the Wendelstein 7-X stellarator. Nature Physics 14, pp. 855 - 860 (2018)
46.
Journal Article
Drews, P.; Niemann, H.; Cosfeld, J.; Gao, Y.; Geiger, J.; Grulke, O.; Henkel, M.; Höschen, D.; Hollfeld, K.; Killer, C. et al.: Magnetic configuration effects on the edge heat flux in the limiter plasma on W7-X measured using the infrared camera and the combined probe. Plasma Science and Technology 20, 054003 (2018)
47.
Journal Article
Fuchert, G.; Bozhenkov, S. A.; Pablant, N.; Rahbarnia, K.; Turkin, Y.; Alonso, A.; Andreeva, T.; Beidler, C. D.; Beurskens, M.; Dinklage, A. et al.: Global energy confinement in the initial limiter configuration of Wendelstein 7-X. Nuclear Fusion 58, 106029 (2018)
48.
Journal Article
Jakubowski, M.; Drewelow, P.; Fellinger, J.; Puig Sitjes, A.; Wurden, G.; Ali, A.; Biedermann, C.; Cannas, B.; Chauvin, D.; Gamradt, M. et al.: Infrared imaging systems for wall protection in the W7-X stellarator (invited). Review of Scientific Instruments 89, 10E116 (2018)
49.
Journal Article
Lazerson, S. A.; Bozhenkov, S.; Israeli, B.; Otte, M.; Niemann, H.; Bykov, V.; Endler, M.; Andreeva, T.; Ali, A.; Drewelow, P. et al.: Error fields in the Wendelstein 7-X stellarator. Plasma Physics and Controlled Fusion 60, 124002 (2018)
50.
Journal Article
Pisano, F.; Cannas, B.; Jakubowski, M. W.; Niemann, H.; Puig Sitjes, A.; Wurden, G. A.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Towards a new image processing system at Wendelstein 7-X: From spatial calibration to characterization of thermal events. Review of Scientific Instruments 89, 123503 (2018)
51.
Journal Article
Wurden, G. A.; Fellinger, J.; Biedermann, C.; Drewelow, P.; Ford, O.; Gamradt, M.; Greve, H.; Herold, F.; Jakubowski, M.; Jenzsch, H. et al.: A divertor scraper observation system for the Wendelstein 7-X stellarator. Review of Scientific Instruments 89, 10D107 (2018)
52.
Journal Article
Bozhenkov, S. A.; Jakubowski, M. W.; Niemann, H.; Lazerson, S. A.; Wurden, G. A.; Biedermann, C.; Kocsis, G.; König, R.; Pisano, F.; Stephey, L. et al.: Effect of error field correction coils on W7-X limiter loads. Nuclear Fusion 57, 126030 (2017)
53.
Journal Article
Marsen, S.; Corre, Y.; Laqua, H. P.; Moncada, V.; Moseev, D.; Niemann, H.; Preynas, M.; Stange, T.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: First results from protective ECRH diagnostics for Wendelstein 7-X. Nuclear Fusion 57, 086014 (2017)
54.
Journal Article
Wolf, R. C.; Ali, A.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Beurskens, M.; Biedermann, C.; Bosch, H.-S.; Bozhenkov, S.; Brakel, R. et al.: Major results from the first plasma campaign of the Wendelstein 7-X stellarator. Nuclear Fusion 57, 102020 (2017)
55.
Journal Article
Wurden, G. A.; Biedermann, C.; Effenberg, F.; Jakubowski, M.; Niemann, H.; Stephey, L.; Bozhenkov, S.; Brezinsek, S.; Fellinger, J.; Cannas, B. et al.: Limiter observations during W7-X first plasmas. Nuclear Fusion 57, 056036 (2017)
56.
Journal Article
Frerichs, H.; Effenberg, F.; Schmitz, O.; Biedermann, C.; Feng, Y.; Jakubowski, M.; König, R.; Krychowiak, M.; Lore, J.; Niemann, H. et al.: Synthetic plasma edge diagnostics for EMC3-EIRENE, highlighted for Wendelstein 7-X. Review of Scientific Instruments 87, 11D441 (2016)
57.
Journal Article
Krychowiak, M.; Adnan, A.; Alonso, A.; Andreeva, T.; Baldzuhn, J.; Barbui, T.; Beurskens, M.; Biel, W.; Biedermann, C.; Blackwell, B. D. et al.: Overview of diagnostic performance and results for the first operation phase in Wendelstein 7-X (invited). Review of Scientific Instruments 87, 11D304 (2016)
58.
Journal Article
Stanja, J.; Hergenhahn, U.; Niemann, H.; Paschkowski, N.; Pedersen, T. S.; Saitoh, H.; Stenson, E. V.; Stoneking, M. R.; Hugenschmidt, C.; Piochacz, C.: Characterization of the NEPOMUC primary and remoderated positron beams at different energies. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 827, pp. 52 - 62 (2016)
59.
Journal Article
Saitoh, H.; Stanja, J.; Stenson, E. V.; Hergenhahn, U.; Niemann, H.; Pedersen, T. S.; Stoneking, M.; Piochacz, C.; Hugenschmidt, C.: Efficient injection of an intense positron beam into a dipole magnetic field. New Journal of Physics 17, 103038 (2015)
60.
Journal Article
Stenson, E. V.; Saitoh, H.; Stanja, J.; Niemann, H.; Hergenhahn, U.; Pedersen, T. S.; Marx, G. H.; Schweikhard, L.; Danielson, J. R.; Surko, C. M. et al.: Progress toward positron-electron pair plasma experiments. AIP Conference Proceedings 1668, 040004 (2015)