Author: "Odstrčil, T." / Publication Year Range: Last 10 years - Searchworks@Jio Institute Digital Library Search Results

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36 results on '"Odstrčil, T."'

1. Simultaneous kinetic profile and magnetic equilibrium inference with Bayesian integrated data analysis in preparation for ITER

Author: Denk, S. S., Amara, T. B., Odstrcil, T., Stagner, L., Akcay, C., Slendebroek, T., Smith, S. P., Van Zeeland, M. A., Akiyama, T., and Nazikian, R.
Subjects: Physics - Plasma Physics, Physics - Data Analysis, Statistics and Probability
Abstract: Accurate plasma state reconstruction will be crucial for the success of ITER and future fusion plants, but the harsh conditions of a burning plasma will make diagnostic operation more challenging than in current machines. Integrated data analysis (IDA) based on Bayesian inference allows for improved information gain by combining the analysis of many diagnostics into a single step using sophisticated forward models. It also provides a framework to seamlessly combine predictive modeling and data, which can be invaluable in a data-poor environment. As a step towards integrated data analysis at scale, we present a new, fast integrated analysis framework that allows for the simultaneous reconstruction of the kinetic profiles and the magnetic equilibrium with statistically relevant uncertainties included. This analysis framework allows for the systematic evaluation of models using extensive experimental data leveraging DOE supercomputing infrastructure, such as being developed through the DOE-ASCR Integrated Research Infrastructure (Smith, XLOOP). To test the performance and verify the code it was applied to an ITER-like scenario using a realistic machine geometry and diagnostic description. Using artificial data for magnetics, Thomson scattering, interferometry, and polarimetry generated from a known ground truth, the coupled equilibrium and kinetic profile reconstruction problem was solved via the Maximum a posteriori method in approximately three minutes on a multicore CPU including uncertainty quantification. The resulting equilibrium and kinetic profiles were found to be in reasonable agreement with the ground truth.
Published: 2025

2. Achievement of highly radiating plasma in negative triangularity and effect of reactor-relevant seeded impurities on confinement and transport

Author: Casali, L., Eldon, D., Odstrcil, T., Mattes, R., Welsh, A., Lee, K., Nelson, A. O., Paz-Soldan, C., Khabanov, F., Cote, T., McLean, A. G., Scotti, F., and Thome, K. E.
Subjects: Physics - Plasma Physics
Abstract: The first achievement of highly radiating plasmas in negative triangularity is shown with an operational space featuring high core radiation at high Greenwald fraction obtained with the injection of reactor-relevant seeded gases. These negative triangularity (NT) shape diverted discharges reach high values of normalized plasma pressure (BetaN > 2) at high radiation fraction with no ELMs. We demonstrate that as long as the impurity level in the core is kept low to avoid excessive fuel dilution and impurity accumulation, integration of NT configuration with high radiation fraction not only is achievable but it can lead to confinement improvement with stabilization effects originating from collisionality, ExB shear and profiles changes due to impurity radiation cooling. The underlying physics mechanism is robust and holds for a variety of impurity species. The absence of the requirement to stay in H-mode translates in a higher core radiation fraction potentially allowed in NT shape effectively mitigating the power exhaust issue. The results presented here demonstrate a path to high performance, ELM free and highly radiative regime with rector-relevant seeding gases making this regime a potential new scenario for reactor operation.
Published: 2024

3. Enhanced pedestal transport driven by edge collisionality on Alcator C-Mod and its role in regulating H-mode pedestal gradients

Author: Miller, M. A., Hughes, J. W., Rosenthal, A. M., Mordijck, S., Reksoatmodjo, R., Wigram, M., Dunsmore, J., Sciortino, F., Wilcox, R. S., and Odstrčil, T.
Subjects: Physics - Plasma Physics
Abstract: Experimental measurements of plasma and neutral profiles across the pedestal are used in conjunction with 2D edge modeling to examine pedestal stiffness in Alcator C-Mod H-mode plasmas. Experiments on Alcator C-Mod observed pedestal degradation and loss in confinement below a critical value of net power crossing the separatrix, $P_\mathrm{net} = P_\mathrm{net}^\mathrm{crit} \approx 2.3$ MW. New analysis of ionization and particle flux profiles reveal saturation of the pedestal electron density, $n_{e}^\mathrm{ped}$ despite continuous increases in ionization throughout the pedestal, inversely related to $P_\mathrm{net}$. A limit to the pedestal $\nabla n_{e}$ emerges as the particle flux, $\Gamma_{D}$ continues to grow, implying increases in the effective particle diffusivity, $D_\mathrm{eff}$. This is well-correlated with the separatrix collisionality, $\nu^{*}_\mathrm{sep}$ and a turbulence control parameter, $\alpha_{t}$, implying a possible transition in type of turbulence. The transition is well correlated with the experimentally observed value of $P_\mathrm{net}^\mathrm{crit}$. SOLPS-ITER modeling is performed for select discharges from the power scan, constrained with experimental electron and neutral densities, measured at the outer midplane. The modeling confirms general growth in $D_\mathrm{eff}$, consistent with experimental findings, and additionally suggests even larger growth in $\chi_{e}$ at the same $P_\mathrm{net}^\mathrm{crit}$.
Published: 2024

4. A high-density and high-confinement tokamak plasma regime for fusion energy.

Author: Ding, S, Garofalo, A, Wang, H, Weisberg, D, Li, Z, Jian, X, Eldon, D, Victor, B, Marinoni, A, Hu, Q, Carvalho, I, Odstrčil, T, Wang, L, Hyatt, A, Osborne, T, Gong, X, Qian, J, Huang, J, McClenaghan, J, Holcomb, C, and Hanson, J
Subjects: Plasma Gases, Nuclear Fusion, Hot Temperature, Magnetic Fields
Abstract: The tokamak approach, utilizing a toroidal magnetic field configuration to confine a hot plasma, is one of the most promising designs for developing reactors that can exploit nuclear fusion to generate electrical energy1,2. To reach the goal of an economical reactor, most tokamak reactor designs3-10 simultaneously require reaching a plasma line-averaged density above an empirical limit-the so-called Greenwald density11-and attaining an energy confinement quality better than the standard high-confinement mode12,13. However, such an operating regime has never been verified in experiments. In addition, a long-standing challenge in the high-confinement mode has been the compatibility between a high-performance core and avoiding large, transient edge perturbations that can cause very high heat loads on the plasma-facing-components in tokamaks. Here we report the demonstration of stable tokamak plasmas with a line-averaged density approximately 20% above the Greenwald density and an energy confinement quality of approximately 50% better than the standard high-confinement mode, which was realized by taking advantage of the enhanced suppression of turbulent transport granted by high density-gradients in the high-poloidal-beta scenario14,15. Furthermore, our experimental results show an integration of very low edge transient perturbations with the high normalized density and confinement core. The operating regime we report supports some critical requirements in many fusion reactor designs all over the world and opens a potential avenue to an operating point for producing economically attractive fusion energy.
Published: 2024

5. A high-density and high-confinement tokamak plasma regime for fusion energy

Author: Ding, S., Garofalo, A. M., Wang, H. Q., Weisberg, D. B., Li, Z. Y., Jian, X., Eldon, D., Victor, B. S., Marinoni, A., Hu, Q. M., Carvalho, I. S., Odstrčil, T., Wang, L., Hyatt, A. W., Osborne, T. H., Gong, X. Z., Qian, J. P., Huang, J., McClenaghan, J., Holcomb, C. T., and Hanson, J. M.
Published: 2024
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6. Tungsten erosion during L-mode discharges in the DIII-D SAS-VW divertor

Author: Sinclair, G., Abrams, T., Parsons, M.S., Messer, S.H., Mateja, J., Zamperini, S.A., Thomas, D.M., Elder, J.D., Maurizio, R., Odstrcil, T., Wilcox, R.S., Herfindal, J.L., Truong, D.D., Watkins, J.G., McLean, A.G., Rudakov, D.L., Ren, J., and Donovan, D.
Published: 2025
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7. Investigating the effect of BT direction on W source-to-core pathways during the SAS-VW campaign on DIII-D

Author: Mateja, J.D., Zamperini, S.A., Odstrcil, T., Nichols, J.H., Ray, T.E., Cacheris, A., Abrams, T., McLean, A.G., Sinclair, G., Messer, S.H., Maurizio, R., Thomas, D.M., and Donovan, D.C.
Published: 2024
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8. Modeling of Particle Transport, Neutrals and Radiation in Magnetically-Confined Plasmas with Aurora

Author: Sciortino, F., Odstrčil, T., Cavallaro, A., Smith, S., Meneghini, O., Reksoatmodjo, R., Linder, O., Lore, J. D., Howard, N. T., Marmar, E. S., and Mordijck, S.
Subjects: Physics - Plasma Physics, Physics - Applied Physics, Physics - Computational Physics, Physics - Data Analysis, Statistics and Probability
Abstract: We present Aurora, an open-source package for particle transport, neutrals and radiation modeling in magnetic confinement fusion plasmas. Aurora's modern multi-language interface enables simulations of 1.5D impurity transport within high-performance computing frameworks, particularly for the inference of particle transport coefficients. A user-friendly Python library allows simple interaction with atomic rates from the Atomic Data and Atomic Structure database as well as other sources. This enables a range of radiation predictions, both for power balance and spectroscopic analysis. We discuss here the superstaging approximation for complex ions, as a way to group charge states and reduce computational cost, demonstrating its wide applicability within the Aurora forward model and beyond. Aurora also facilitates neutral particle analysis, both from experimental spectroscopic data and other simulation codes. Leveraging Aurora's capabilities to interface SOLPS-ITER results, we demonstrate that charge exchange is unlikely to affect the total radiated power from the ITER core during high performance operation. Finally, we describe the ImpRad module in the OMFIT framework, developed to enable experimental analysis and transport inferences on multiple devices using Aurora., Comment: 8 pages + references, 5 figures
Published: 2021
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9. Inference of Experimental Radial Impurity Transport on Alcator C-Mod: Bayesian Parameter Estimation and Model Selection

Author: Sciortino, F., Howard, N. T., Marmar, E. S., Odstrcil, T., Cao, N. M., Dux, R., Hubbard, A. E., Hughes, J. W., Irby, J. H., Marzouk, Y., Milanese, L. M., Reinke, M. L., Rice, J. E., and Rodriguez-Fernandez, P.
Subjects: Physics - Plasma Physics, Physics - Applied Physics, Physics - Computational Physics, Physics - Data Analysis, Statistics and Probability
Abstract: We present a fully Bayesian approach for the inference of radial profiles of impurity transport coefficients and compare its results to neoclassical, gyrofluid and gyrokinetic modeling. Using nested sampling, the Bayesian Impurity Transport InferencE (BITE) framework can handle complex parameter spaces with multiple possible solutions, offering great advantages in interpretative power and reliability with respect to previously demonstrated methods. BITE employs a forward model based on the pySTRAHL package, built on the success of the well-known STRAHL code [Dux, IPP Report, 2004], to simulate impurity transport in magnetically-confined plasmas. In this paper, we focus on calcium (Ca, Z=20) Laser Blow-Off injections into Alcator C-Mod plasmas. Multiple Ca atomic lines are diagnosed via high-resolution X-ray Imaging Crystal Spectroscopy and Vacuum Ultra-Violet measurements. We analyze a sawtoothing I-mode discharge for which neoclassical and turbulent (quasilinear and nonlinear) predictions are also obtained. We find good agreement in diffusion across the entire radial extent, while turbulent convection and density profile peaking are estimated to be larger in experiment than suggested by theory. Efforts and challenges associated with the inference of experimental pedestal impurity transport are discussed., Comment: 38 pages, 19 figures, submitted for publication in Nuclear Fusion
Published: 2020
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10. Author Correction: A high-density and high-confinement tokamak plasma regime for fusion energy

Author: Ding, S., Garofalo, A. M., Wang, H. Q., Weisberg, D. B., Li, Z. Y., Jian, X., Eldon, D., Victor, B. S., Marinoni, A., Hu, Q. M., Carvalho, I. S., Odstrčil, T., Wang, L., Hyatt, A. W., Osborne, T. H., Gong, X. Z., Qian, J. P., Huang, J., McClenaghan, J., Holcomb, C. T., and Hanson, J. M.
Published: 2024
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11. Three dimensional boundary displacement due to stable ideal kink modes excited by external n=2 magnetic perturbations

Author: Willensdorfer, M., Strumberger, E., Suttrop, W., Dunne, M., Fischer, R., Birkenmeier, G., Brida, D., Cavedon, M., Denk, S. S., Igochine, V., Giannone, L., Kirk, A., Kirschner, J., Medvedeva, A., Odstrcil, T., Ryan, D. A., Team, the ASDEX Upgrade, and Team, the EUROfusion MST1
Subjects: Physics - Plasma Physics
Abstract: In low-collisionality scenarios exhibiting mitigation of edge localized modes (ELMs), stable ideal kink modes at the edge are excited by externally applied magnetic perturbation (MP)-fields. In ASDEX Upgrade these modes can cause three-dimensional (3D) boundary displacements up to the centimeter range. These displacements have been measured using toroidally localized high resolution diagnostics and rigidly rotating n = 2 MP-fields with various applied poloidal mode spectra. These measurements are compared to non-linear 3D ideal magnetohydrodynamics (MHD) equilibria calculated by VMEC. Comprehensive comparisons have been conducted, which consider for instance plasma movements due to the position control system, attenuation due to internal conductors and changes in the edge pressure profiles. VMEC accurately reproduces the amplitude of the displacement and its dependencies on the applied poloidal mode spectra. Quantitative agreement is found around the low field side (LFS) midplane. The response at the plasma top is qualitatively compared. The measured and predicted displacements at the plasma top maximize when the applied spectra is optimized for ELM-mitigation. The predictions from the vacuum modeling generally fails to describe the displacement at the LFS midplane as well as at the plasma top. When the applied mode spectra is set to maximize the displacement, VMEC and the measurements clearly surpass the predictions from the vacuum modeling by a factor of four. Minor disagreements between VMEC and the measurements are discussed. This study underlines the importance of the stable ideal kink modes at the edge for the 3D boundary displacement in scenarios relevant for ELM-mitigation., Comment: 22 pages, 12 figure, for submission to nuclear fusion
Published: 2017
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12. Plasma response measurements of external magnetic perturbations using electron cyclotron emission and comparisons to 3D ideal MHD equilibrium

Author: Willensdorfer, M., Denk, S. S., Strumberger, E., Suttrop, W., Vanovac, B., Brida, D., Cavedon, M., Classen, I., Dunne, M., Fietz, S., Fischer, R., Kirk, A., Laggner, F. M., Liu, Y. Q., Odstrcil, T., Ryan, D. A., Viezzer, E., Zohm, H., and Luhmann, I. C.
Subjects: Physics - Plasma Physics
Abstract: The plasma response from an external n = 2 magnetic perturbation field in ASDEX Upgrade has been measured using mainly electron cyclotron emission (ECE) diagnostics and a rigid rotating field. To interpret ECE and ECE-imaging (ECE-I) measurements accurately, forward modeling of the radiation transport has been combined with ray tracing. The measured data is compared to synthetic ECE data generated from a 3D ideal magnetohydrodynamics (MHD) equilibrium calculated by VMEC. The measured amplitudes of the helical displacement around the low field side midplane are in reasonable agreement with the one from the synthetic VMEC diagnostics. Both exceed the prediction from the vacuum field calculations and indicate the presence of a kink response at the edge, which amplifies the perturbation. VMEC and MARS-F have been used to calculate the properties of this kink mode. The poloidal mode structure of the magnetic perturbation of this kink mode at the edge peaks at poloidal mode numbers larger than the resonant components |m| > |nq|, whereas the poloidal mode structure of its displacement is almost resonant |m| ~ |nq|. This is expected from ideal MHD in the proximity of rational surfaces. The displacement measured by ECE-I confirms this resonant response., Comment: 34 pages, 19 figures. This is an author-created, un-copyedited version of an article submitted for publication in Plasma Physics and Controlled Fusion. IoP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it
Published: 2016
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13. High-definition velocity-space tomography of fast-ion dynamics

Author: Salewski, M, Geiger, B, Jacobsen, AS, Hansen, PC, Heidbrink, WW, Korsholm, SB, Leipold, F, Madsen, J, Moseev, D, Nielsen, SK, Nocente, M, Odstrčil, T, Rasmussen, J, Stagner, L, Stejner, M, and Weiland, M
Subjects: fast ions, tomography, tokamaks, sawteeth, neutral beam injection, fast-ion D-alpha spectroscopy, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Fluids & Plasmas
Abstract: Velocity-space tomography of the fast-ion distribution function in a fusion plasma is usually a photon-starved tomography method due to limited optical access and signal-to-noise ratio of fast-ion Dα (FIDA) spectroscopy as well as the strive for high-resolution images. In high-definition tomography, prior information makes up for this lack of data. We restrict the target velocity space through the measured absence of FIDA light, impose phase-space densities to be non-negative, and encode the known geometry of neutral beam injection (NBI) sources. We further use a numerical simulation as prior information to reconstruct where in velocity space the measurements and the simulation disagree. This alternative approach is demonstrated for four-view as well as for two-view FIDA measurements. The high-definition tomography tools allow us to study fast ions in sawtoothing plasmas and the formation of NBI peaks at full, half and one-third energy by time-resolved tomographic movies.
Published: 2016

14. Remote operation of the GOLEM tokamak for Fusion Education

Author: Grover, O., Kocman, J., Odstrcil, M., Odstrcil, T., Matusu, M., Stöckel, J., Svoboda, V., Vondrasek, G., and Zara, J.
Published: 2016
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15. Improvements for real-time magnetic equilibrium reconstruction on ASDEX Upgrade

Author: Giannone, L., Fischer, R., McCarthy, P.J., Odstrcil, T., Zammuto, I., Bock, A., Conway, G., Fuchs, J.C., Gude, A., Igochine, V., Kallenbach, A., Lackner, K., Maraschek, M., Rapson, C., Ruan, Q., Schuhbeck, K.H., Suttrop, W., and Wenzel, L.
Published: 2015
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16. Investigation of core impurity transport in DIII-D diverted negative triangularity plasmas

Author: Sciortino, F, primary, Howard, N T, additional, Odstrčil, T, additional, Austin, M, additional, Bykov, I, additional, Chrystal, C, additional, Haskey, S R, additional, Lore, J D, additional, Marinoni, A, additional, Marmar, E S, additional, Meneghini, O, additional, Paz-Soldan, C, additional, Rodriguez-Fernandez, P, additional, Smith, S P, additional, and Thome, K E, additional
Published: 2022
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17. Experimental inference of neutral and impurity transport in Alcator C-Mod using high-resolution x-ray and ultra-violet spectra

Author: Sciortino, F., primary, Howard, N.T., additional, Reksoatmodjo, R., additional, Foster, A.R., additional, Hughes, J.W., additional, Marmar, E.S., additional, Miller, M.A., additional, Mordijck, S., additional, Odstrčil, T., additional, Pütterich, T., additional, Reinke, M.L., additional, Rice, J.E., additional, and Rodriguez-Fernandez, P., additional
Published: 2021
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18. Modeling of particle transport, neutrals and radiation in magnetically-confined plasmas with Aurora

Author: Sciortino, F, primary, Odstrčil, T, additional, Cavallaro, A, additional, Smith, S P, additional, Meneghini, O, additional, Reksoatmodjo, R, additional, Linder, O, additional, Lore, J D, additional, Howard, N T, additional, Marmar, E S, additional, and Mordijck, S, additional
Published: 2021
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19. Deep learning for Gaussian process soft x-ray tomography model selection in the ASDEX Upgrade tokamak

Author: Matos, F., primary, Svensson, J., additional, Pavone, A., additional, Odstrčil, T., additional, and Jenko, F., additional
Published: 2020
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20. Dependence of the impurity transport on the dominant turbulent regime in ELM-y H-mode discharges on the DIII-D tokamak

Author: Odstrčil, T., primary, Howard, N. T., additional, Sciortino, F., additional, Chrystal, C., additional, Holland, C., additional, Hollmann, E., additional, McKee, G., additional, Thome, K. E., additional, and Wilks, T. M., additional
Published: 2020
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21. Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution

Author: Eich, T., Beurskens, M., Akers, R., De Masi, G., De Temmerman, G., De Tommasi, G., Delogu, R. S., Dendy, R., Denner, P., Di Troia, C., Dimitrova, M., D’Inca, R., Dorić, V., Albanese, R., Douai, D., Drenik, A., Dudson, B., Dunai, D., Dunne, M., Duval, B. P., Easy, L., Elmore, S., Erdös, B., Esposito, B., Aledda, R., Fable, E., Faitsch, M., Fanni, A., Fedorczak, N., Felici, F., Ferreira, J., Février, O., Ficker, O., Fietz, S., Figini, L., Alessi, E., Figueiredo, A., Fil, A., Fishpool, G., Fitzgerald, M., Fontana, M., Ford, O., Frassinetti, L., Fridström, R., Frigione, D., Fuchert, G., Allan, S., Fuchs, C., Furno Palumbo, M., Futatani, S., Gabellieri, L., Gałązka, K., Galdon-Quiroga, J., Galeani, S., Gallart, D., Gallo, A., Galperti, C., Alves, D., Gao, Y., Garavaglia, S., Garcia-Carrasco, A., Garcia-Lopez, J., Garcia-Munoz, M., Gardarein, J.-L., Garzotti, L., Gaspar, J., Gauthier, E., Geelen, P., Ambrosino, R., Geiger, B., Ghendrih, P., Ghezzi, F., Giacomelli, L., Giannone, L., Giovannozzi, E., Giroud, C., Gleason González, C., Gobbin, M., Goodman, T. P., Amicucci, L., Gorini, G., Gospodarczyk, M., Granucci, G., Gruber, M., Gude, A., Guimarais, L., Guirlet, R., Gunn, J., Hacek, P., Hacquin, S., Anand, H., Ham, C., Happel, T., Harrison, J., Harting, D., Hauer, V., Havlickova, E., Hellsten, T., Helou, W., Henderson, S., Hennequin, P., Anastassiou, G., Heyn, M., Hnat, B., Hölzl, M., Hogeweij, D., Honoré, C., Hopf, C., Horáček, J., Hornung, G., Horváth, L., Huang, Z., Coda, S., Andrèbe, Y., Huber, A., Igitkhanov, J., Igochine, V., Imrisek, M., Innocente, P., Ionita-Schrittwieser, C., Isliker, H., Ivanova-Stanik, I., Jacobsen, A. S., Jacquet, P., Angioni, C., Jakubowski, M., Jardin, A., Jaulmes, F., Jenko, F., Jensen, T., Jeppe Miki Busk, O., Jessen, M., Joffrin, E., Jones, O., Jonsson, T., Apruzzese, G., Kallenbach, A., Kallinikos, N., Kálvin, S., Kappatou, A., Karhunen, J., Karpushov, A., Kasilov, S., Kasprowicz, G., Kendl, A., Kernbichler, W., Ariola, M., Kirk, A., Kjer, S., Klimek, I., Kocsis, G., Kogut, D., Komm, M., Korsholm, S. B., Koslowski, H. R., Koubiti, M., Kovacic, J., Arnichand, H., Kovarik, K., Krawczyk, N., Krbec, J., Krieger, K., Krivska, A., Kube, R., Kudlacek, O., Kurki-Suonio, T., Labit, B., Laggner, F. M., Arter, W., Laguardia, L., Lahtinen, A., Lalousis, P., Lauber, P., Lazányi, N., Lazaros, A., Le, H. B., Lebschy, A., Leddy, J., Lefévre, L., Baciero, A., Lehnen, M., Leipold, F., Lessig, A., Leyland, M., Li, L., Lipschultz, B., Liu, Y. Q., Loarer, T., Loarte, A., Loewenhoff, T., Barnes, M., Lomanowski, B., Loschiavo, V. P., Lunt, T., Lupelli, I., Lux, H., Madsen, J., Maget, P., Maggi, C., Maggiora, R., Magnussen, M. L., Barrera, L., Mailloux, J., Maljaars, B., Malygin, A., Mantica, P., Mantsinen, M., Maraschek, M., Marchand, B., Marconato, N., Marini, C., Marinucci, M., Behn, R., Markovic, T., Marocco, D., Marrelli, L., Martin, Y., Martin Solis, J. R., Martitsch, A., Mastrostefano, S., Mattei, M., Matthews, G., Mavridis, M., Hakola, A., Bencze, A., Mayoral, M.-L., Mazon, D., McCarthy, P., McAdams, R., McArdle, G., McClements, K., McDermott, R., McMillan, B., Meisl, G., Bernardo, J., Merle, A., Meyer, O., Milanesio, D., Militello, F., Miron, I. G., Mitosinkova, K., Mlynar, J., Mlynek, A., Molina, D., Molina, P., Bernert, M., Monakhov, I., Morales, J., Moreau, D., Morel, P., Moret, J.-M., Moro, A., Moulton, D., Müller, H. W., Nabais, F., Nardon, E., Bettini, P., Naulin, V., Nemes-Czopf, A., Nespoli, F., Neu, R., Nielsen, A. H., Nielsen, S. K., Nikolaeva, V., Nimb, S., Nocente, M., Nouailletas, R., Bilková, P., Nowak, S., Oberkofler, M., Oberparleiter, M., Ochoukov, R., Odstrčil, T., Olsen, J., Omotani, J., O’Mullane, M. G., Orain, F., Osterman, N., Bin, W., Paccagnella, R., Pamela, S., Pangione, L., Panjan, M., Papp, G., Papřok, R., Parail, V., Parra, F. I., Pau, A., Pautasso, G., Birkenmeier, G., Pehkonen, S.-P., Pereira, A., Perelli Cippo, E., Pericoli Ridolfini, V., Peterka, M., Petersson, P., Petrzilka, V., Piovesan, P., Piron, C., Pironti, A., Bizarro, J. P. S., Pisano, F., Pisokas, T., Pitts, R., Ploumistakis, I., Plyusnin, V., Pokol, G., Poljak, D., Pölöskei, P., Popovic, Z., Pór, G., Blanchard, P., Porte, L., Potzel, S., Predebon, I., Preynas, M., Primc, G., Pucella, G., Puiatti, M. E., Pütterich, T., Rack, M., Ramogida, G., Blanken, T., Rapson, C., Rasmussen, J. Juul, Rasmussen, J., Rattá, G. A., Ratynskaia, S., Ravera, G., Réfy, D., Reich, M., Reimerdes, H., Reimold, F., Martin, P., Bluteau, M., Reinke, M., Reiser, D., Resnik, M., Reux, C., Ripamonti, D., Rittich, D., Riva, G., Rodriguez-Ramos, M., Rohde, V., Rosato, J., Bobkov, V., Ryter, F., Saarelma, S., Sabot, R., Saint-Laurent, F., Salewski, M., Salmi, A., Samaddar, D., Sanchis-Sanchez, L., Santos, J., Sauter, O., Bogar, O., Scannell, R., Scheffer, M., Schneider, B., Schneider, P., Schneller, M., Schrittwieser, R., Schweinzer, J., Seidl, J., Sertoli, M., Šesnić, S., Böhm, P., Shabbir, A., Shalpegin, A., Shanahan, B., Sharapov, S., Sheikh, U., Sias, G., Sieglin, B., Silva, C., Silva, A., Silva Fuglister, M., Bolzonella, T., Simpson, J., Snicker, A., Sommariva, C., Sozzi, C., Spagnolo, S., Spizzo, G., Spolaore, M., Stange, T., Stejner Pedersen, M., Stepanov, I., Boncagni, L., Stober, J., Strand, P., Šušnjara, A., Suttrop, W., Szepesi, T., Tál, B., Tala, T., Tamain, P., Tardini, G., Tardocchi, M., Botrugno, A., Teplukhina, A., Terranova, D., Theiler, C., Thornton, A., Tolias, P., Tophøj, L., Treutterer, W., Trevisan, G. L., Tsironis, C., Tsui, C., Bottereau, C., Tudisco, O., Uccello, A., Urban, J., Valisa, M., Vallejos, P., Valovic, M., Van den Brand, H., Vanovac, B., Varoutis, S., Vartanian, S., Bouquey, F., Vega, J., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vicente, J., Viezzer, E., Vignitchouk, L., Vijvers, W. A. J., Villone, F., Bourdelle, C., Viola, B., Vlahos, L., Voitsekhovitch, I., Vondráček, P., Vu, N. M. T., Walkden, N., Wang, N., Weiland, M., Weinzettl, V., Westerhof, E., Adamek, J., Brémond, S., Wiesenberger, M., Willensdorfer, M., Wischmeier, M., Wodniak, I., Wolfrum, E., Yadykin, D., Zagórski, R., Zammuto, I., Zanca, P., Zaplotnik, R., Brezinsek, S., Zestanakis, P., Zhang, W., Zoletnik, S., Zuin, M., Meyer, H., Schubert, M., Schneider, M., Wauters, T., Wagner, D., Testa, D., Brida, D., Tripsky, M., Liang, Yunfeng, Lyssoivan, A., Lang, P., Garcia, J., Hall, S., Decker, J., Kim, D., Brochard, F., Buchanan, J., Bufferand, H., Buratti, P., Cahyna, P., Calabrò, G., Camenen, Y., Agostini, M., Caniello, R., Cannas, B., Canton, A., Cardinali, A., Carnevale, D., Carr, M., Carralero, D., Carvalho, P., Casali, L., Castaldo, C., Aguiam, D., Castejón, F., Castro, R., Causa, F., Cavazzana, R., Cavedon, M., Cecconello, M., Ceccuzzi, S., Cesario, R., Challis, C. D., Chapman, I. T., Ahn, J., Chapman, S., Chernyshova, M., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Clairet, F., Classen, I., Coelho, R., Coenen, J. W., Aho-Mantila, L., Colas, L., Conway, G., Corre, Y., Costea, S., Crisanti, F., Cruz, N., Cseh, G., Czarnecka, A., D’Arcangelo, O., De Angeli, M., European Commission, EURATOM/UKAEA Fusion Association, Culham Science Centre, Abingdon, Max Planck Institut für Plasma Physik and Excellence Cluster, Ecole Polytechnique Federale de Lausanne (EPFL), MilliLab, VTT Technical Research Centre of Finland, Consorzio Interuniversitario per la Fisica Spaziale (CIFS), Institute of Plasma Physics AS CR, Za Slovankou 1782/3, 182 00 Praha 8, Czechia, Instituto Superior Técnico, Universidade de Lisboa (IST), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), University of Naples Federico II = Università degli studi di Napoli Federico II, Università degli Studi di Cagliari = University of Cagliari (UniCa), Istituto di Fisica del Plasma, Consiglio Nazionale delle Ricerche (IFP-CNR), University of Napoli Parthenope, Consorzio CREATE, Via Claudio 21, 80125 Napoli, Italy, ENEA-Frascati, Physics Division, National Technical University of Athens, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Rudolf Peierls Centre for Theoretical Physics, European Southern Observatory (ESO), KFKI Research Institute for Particle and Nuclear Physics (KFKI-RMKI), Eindhoven University of Technology, Department of Physics, University of Strathclyde, Forschungszentrum Julich GmbH, Institut fur Energie- und Klimaforschung---Plasmaphysik, 52425 Julich, Germany, Institut Jean Lamour (IJL), Institut de Chimie du CNRS (INC)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Physique des interactions ioniques et moléculaires (PIIM), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Università degli Studi di Roma Tor Vergata [Roma], Department of Physics and Astronomy, Uppsala University, University of Warwick [Coventry], Institute of Plasma Physics and Laser Microfusion, Hery 23, 01-497 Warsaw, Poland, FOM Institute DIFFER - Dutch Institute for Fundamental Energy Research, The Netherlands, Institut für Astro- und Teilchenphysik, Leopold-Franzens-Universität Innsbruck, ITER organization (ITER), Fakultet Elektrotehnike, Strojarstva i Brodogradnje, University of Split (FESB), J. 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(FVB) (FVB), Institut des Géosciences de l’Environnement (IGE), Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Helmholtz-Gemeinschaft = Helmholtz Association, Institut für Experimentelle und Angewandte Physik [Kiel] (IEAP), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Politecnico di Torino = Polytechnic of Turin (Polito), Universidad de Granada = University of Granada (UGR), Swiss Plasma Center (SPC), Meyer, H., Eich, T., Beurskens, M., Coda, S., Hakola, A., Martin, P., Adamek, J., Agostini, M., Aguiam, D., Ahn, J., Aho-Mantila, L., Akers, R., Albanese, R., Aledda, R., Alessi, E., Allan, S., Alves, D., Ambrosino, R., Amicucci, L., Anand, H., Anastassiou, G., Andrèbe, Y., Angioni, C., Apruzzese, G., Ariola, M., Arnichand, H., Arter, W., Baciero, A., Barnes, M., Barrera, L., Behn, R., Bencze, A., Bernardo, J., Bernert, M., Bettini, P., Bilková, P., Bin, W., Birkenmeier, G., Bizarro, J. P. S., Blanchard, P., Blanken, T., Bluteau, M., Bobkov, V., Bogar, O., Böhm, P., Bolzonella, T., Boncagni, L., Botrugno, A., Bottereau, C., Bouquey, F., Bourdelle, C., Brémond, S., Brezinsek, S., Brida, D., Brochard, F., Buchanan, J., Bufferand, H., Buratti, P., Cahyna, P., Calabrò, G., Camenen, Y., Caniello, R., Cannas, B., Canton, A., Cardinali, A., Carnevale, D., Carr, M., Carralero, D., Carvalho, P., Casali, L., Castaldo, C., Castejón, F., Castro, R., Causa, F., Cavazzana, R., Cavedon, M., Cecconello, M., Ceccuzzi, S., Cesario, R., Challis, C. D., Chapman, I. T., Chapman, S., Chernyshova, M., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Clairet, F., Classen, I., Coelho, R., Coenen, J. W., Colas, L., Conway, G., Corre, Y., Costea, S., Crisanti, F., Cruz, N., Cseh, G., Czarnecka, A., D’Arcangelo, O., De Angeli, M., De Masi, G., De Temmerman, G., De Tommasi, G., Decker, J., Delogu, R. S., Dendy, R., Denner, P., Di Troia, C., Dimitrova, M., D’Inca, R., Dorić, V., Douai, D., Drenik, A., Dudson, B., Dunai, D., Dunne, M., Duval, B. P., Easy, L., Elmore, S., Erdös, B., Esposito, B., Fable, E., Faitsch, M., Fanni, A., Fedorczak, N., Felici, F., Ferreira, J., Février, O., Ficker, O., Fietz, S., Figini, L., Figueiredo, A., Fil, A., Fishpool, G., Fitzgerald, M., Fontana, M., Ford, O., Frassinetti, L., Fridström, R., Frigione, D., Fuchert, G., Fuchs, C., Furno Palumbo, M., Futatani, S., Gabellieri, L., Gałązka, K., Galdon-Quiroga, J., Galeani, S., Gallart, D., Gallo, A., Galperti, C., Gao, Y., Garavaglia, S., Garcia, J., Garcia-Carrasco, A., Garcia-Lopez, J., Garcia-Munoz, M., Gardarein, J. -L., Garzotti, L., Gaspar, J., Gauthier, E., Geelen, P., Geiger, B., Ghendrih, P., Ghezzi, F., Giacomelli, L., Giannone, L., Giovannozzi, E., Giroud, C., Gleason González, C., Gobbin, M., Goodman, T. P., Gorini, G., Gospodarczyk, M., Granucci, G., Gruber, M., Gude, A., Guimarais, L., Guirlet, R., Gunn, J., Hacek, P., Hacquin, S., Hall, S., Ham, C., Happel, T., Harrison, J., Harting, D., Hauer, V., Havlickova, E., Hellsten, T., Helou, W., Henderson, S., Hennequin, P., Heyn, M., Hnat, B., Hölzl, M., Hogeweij, D., Honoré, C., Hopf, C., Horáček, J., Hornung, G., Horváth, L., Huang, Z., Huber, A., Igitkhanov, J., Igochine, V., Imrisek, M., Innocente, P., Ionita-Schrittwieser, C., Isliker, H., Ivanova-Stanik, I., Jacobsen, A. S., Jacquet, P., Jakubowski, M., Jardin, A., Jaulmes, F., Jenko, F., Jensen, T., Jeppe Miki Busk, O., Jessen, M., Joffrin, E., Jones, O., Jonsson, T., Kallenbach, A., Kallinikos, N., Kálvin, S., Kappatou, A., Karhunen, J., Karpushov, A., Kasilov, S., Kasprowicz, G., Kendl, A., Kernbichler, W., Kim, D., Kirk, A., Kjer, S., Klimek, I., Kocsis, G., Kogut, D., Komm, M., Korsholm, S. B., Koslowski, H. R., Koubiti, M., Kovacic, J., Kovarik, K., Krawczyk, N., Krbec, J., Krieger, K., Krivska, A., Kube, R., Kudlacek, O., Kurki-Suonio, T., Labit, B., Laggner, F. M., Laguardia, L., Lahtinen, A., Lalousis, P., Lang, P., Lauber, P., Lazányi, N., Lazaros, A., Le, H. B., Lebschy, A., Leddy, J., Lefévre, L., Lehnen, M., Leipold, F., Lessig, A., Leyland, M., Li, L., Liang, Y., Lipschultz, B., Liu, Y. Q., Loarer, T., Loarte, A., Loewenhoff, T., Lomanowski, B., Loschiavo, V. P., Lunt, T., Lupelli, I., Lux, H., Lyssoivan, A., Madsen, J., Maget, P., Maggi, C., Maggiora, R., Magnussen, M. L., Mailloux, J., Maljaars, B., Malygin, A., Mantica, P., Mantsinen, M., Maraschek, M., Marchand, B., Marconato, N., Marini, C., Marinucci, M., Markovic, T., Marocco, D., Marrelli, L., Martin, Y., Martin Solis, J. 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I., Pau, A., Pautasso, G., Pehkonen, S. -P., Pereira, A., Perelli Cippo, E., Pericoli Ridolfini, V., Peterka, M., Petersson, P., Petrzilka, V., Piovesan, P., Piron, C., Pironti, A., Pisano, F., Pisokas, T., Pitts, R., Ploumistakis, I., Plyusnin, V., Pokol, G., Poljak, D., Pölöskei, P., Popovic, Z., Pór, G., Porte, L., Potzel, S., Predebon, I., Preynas, M., Primc, G., Pucella, G., Puiatti, M. E., Pütterich, T., Rack, M., Ramogida, G., Rapson, C., Rasmussen, J. Juul, Rasmussen, J., Rattá, G. A., Ratynskaia, S., Ravera, G., Réfy, D., Reich, M., Reimerdes, H., Reimold, F., Reinke, M., Reiser, D., Resnik, M., Reux, C., Ripamonti, D., Rittich, D., Riva, G., Rodriguez-Ramos, M., Rohde, V., Rosato, J., Ryter, F., Saarelma, S., Sabot, R., Saint-Laurent, F., Salewski, M., Salmi, A., Samaddar, D., Sanchis-Sanchez, L., Santos, J., Sauter, O., Scannell, R., Scheffer, M., Schneider, M., Schneider, B., Schneider, P., Schneller, M., Schrittwieser, R., Schubert, M., Schweinzer, J., Seidl, J., Sertoli, M., Šesnić, S., Shabbir, A., Shalpegin, A., Shanahan, B., Sharapov, S., Sheikh, U., Sias, G., Sieglin, B., Silva, C., Silva, A., Silva Fuglister, M., Simpson, J., Snicker, A., Sommariva, C., Sozzi, C., Spagnolo, S., Spizzo, G., Spolaore, M., Stange, T., Stejner Pedersen, M., Stepanov, I., Stober, J., Strand, P., Šušnjara, A., Suttrop, W., Szepesi, T., Tál, B., Tala, T., Tamain, P., Tardini, G., Tardocchi, M., Teplukhina, A., Terranova, D., Testa, D., Theiler, C., Thornton, A., Tolias, P., Tophøj, L., Treutterer, W., Trevisan, G. L., Tripsky, M., Tsironis, C., Tsui, C., Tudisco, O., Uccello, A., Urban, J., Valisa, M., Vallejos, P., Valovic, M., Van den Brand, H., Vanovac, B., Varoutis, S., Vartanian, S., Vega, J., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vicente, J., Viezzer, E., Vignitchouk, L., Vijvers, W. A. J., Villone, F., Viola, B., Vlahos, L., Voitsekhovitch, I., Vondráček, P., Vu, N. M. T., Wagner, D., Walkden, N., Wang, N., Wauters, T., Weiland, M., Weinzettl, V., Westerhof, E., Wiesenberger, M., Willensdorfer, M., Wischmeier, M., Wodniak, I., Wolfrum, E., Yadykin, D., Zagórski, R., Zammuto, I., Zanca, P., Zaplotnik, R., Zestanakis, P., Zhang, W., Zoletnik, S., Zuin, M., Université de Strasbourg (UNISTRA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Réseau nanophotonique et optique, Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Matériaux et nanosciences d'Alsace (FMNGE), Institut de Chimie du CNRS (INC)-Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université de Strasbourg (UNISTRA), Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École polytechnique (X)-Sorbonne Université (SU)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Meyer, H, Eich, T, Beurskens, M, Coda, S, Hakola, A, Martin, P, Adamek, J, Agostini, M, Aguiam, D, Ahn, J, Aho-Mantila, L, Akers, R, Albanese, R, Aledda, R, Alessi, E, Allan, S, Alves, D, Ambrosino, R, Amicucci, L, Anand, H, Anastassiou, G, Andrãbe, Y, Angioni, C, Apruzzese, G, Ariola, M, Arnichand, H, Arter, W, Baciero, A, Barnes, M, Barrera, L, Behn, R, Bencze, A, Bernardo, J, Bernert, M, Bettini, P, Bilkovã¡, P, Bin, W, Birkenmeier, G, Bizarro, J, Blanchard, P, Blanken, T, Bluteau, M, Bobkov, V, Bogar, O, Bã¶hm, P, Bolzonella, T, Boncagni, L, Botrugno, A, Bottereau, C, Bouquey, F, Bourdelle, C, Brã©mond, S, Brezinsek, S, Brida, D, Brochard, F, Buchanan, J, Bufferand, H, Buratti, P, Cahyna, P, Calabrã², G, Camenen, Y, Caniello, R, Cannas, B, Canton, A, Cardinali, A, Carnevale, D, Carr, M, Carralero, D, Carvalho, P, Casali, L, Castaldo, C, Castejã³n, F, Castro, R, Causa, F, Cavazzana, R, Cavedon, M, Cecconello, M, Ceccuzzi, S, Cesario, R, Challis, C, Chapman, I, Chapman, S, Chernyshova, M, Choi, D, Cianfarani, C, Ciraolo, G, Citrin, J, Clairet, F, Classen, I, Coelho, R, Coenen, J, Colas, L, Conway, G, Corre, Y, Costea, S, Crisanti, F, Cruz, N, Cseh, G, Czarnecka, A, D'Arcangelo, O, De Angeli, M, De Masi, G, De Temmerman, G, De Tommasi, G, Decker, J, Delogu, R, Dendy, R, Denner, P, Di Troia, C, Dimitrova, M, D'Inca, R, DoriÄ‡, V, Douai, D, Drenik, A, Dudson, B, Dunai, D, Dunne, M, Duval, B, Easy, L, Elmore, S, Erdã¶s, B, Esposito, B, Fable, E, Faitsch, M, Fanni, A, Fedorczak, N, Felici, F, Ferreira, J, Fã©vrier, O, Ficker, O, Fietz, S, Figini, L, Figueiredo, A, Fil, A, Fishpool, G, Fitzgerald, M, Fontana, M, Ford, O, Frassinetti, L, Fridstrã¶m, R, Frigione, D, Fuchert, G, Fuchs, C, Furno Palumbo, M, Futatani, S, Gabellieri, L, GaÅ‚azka, K, Galdon-Quiroga, J, Galeani, S, Gallart, D, Gallo, A, Galperti, C, Gao, Y, Garavaglia, S, Garcia, J, Garcia-Carrasco, A, Garcia-Lopez, J, Garcia-Munoz, M, Gardarein, J, Garzotti, L, Gaspar, J, Gauthier, E, Geelen, P, Geiger, B, Ghendrih, P, Ghezzi, F, Giacomelli, L, Giannone, L, Giovannozzi, E, Giroud, C, Gleason GonzÃ¡lez, C, Gobbin, M, Goodman, T, Gorini, G, Gospodarczyk, M, Granucci, G, Gruber, M, Gude, A, Guimarais, L, Guirlet, R, Gunn, J, Hacek, P, Hacquin, S, Hall, S, Ham, C, Happel, T, Harrison, J, Harting, D, Hauer, V, Havlickova, E, Hellsten, T, Helou, W, Henderson, S, Hennequin, P, Heyn, M, Hnat, B, Hã¶lzl, M, Hogeweij, D, Honorã©, C, Hopf, C, Horã¡ä ek, J, Hornung, G, Horvã¡th, L, Huang, Z, Huber, A, Igitkhanov, J, Igochine, V, Imrisek, M, Innocente, P, Ionita-Schrittwieser, C, Isliker, H, Ivanova-Stanik, I, Jacobsen, A, Jacquet, P, Jakubowski, M, Jardin, A, Jaulmes, F, Jenko, F, Jensen, T, Jeppe Miki Busk, O, Jessen, M, Joffrin, E, Jones, O, Jonsson, T, Kallenbach, A, Kallinikos, N, Kã¡lvin, S, Kappatou, A, Karhunen, J, Karpushov, A, Kasilov, S, Kasprowicz, G, Kendl, A, Kernbichler, W, Kim, D, Kirk, A, Kjer, S, Klimek, I, Kocsis, G, Kogut, D, Komm, M, Korsholm, S, Koslowski, H, Koubiti, M, Kovacic, J, Kovarik, K, Krawczyk, N, Krbec, J, Krieger, K, Krivska, A, Kube, R, Kudlacek, O, Kurki-Suonio, T, Labit, B, Laggner, F, Laguardia, L, Lahtinen, A, Lalousis, P, Lang, P, Lauber, P, Lazã¡nyi, N, Lazaros, A, Le, H, Lebschy, A, Leddy, J, Lefã©vre, L, Lehnen, M, Leipold, F, Lessig, A, Leyland, M, Li, L, Liang, Y, Lipschultz, B, Liu, Y, Loarer, T, Loarte, A, Loewenhoff, T, Lomanowski, B, Loschiavo, V, Lunt, T, Lupelli, I, Lux, H, Lyssoivan, A, Madsen, J, Maget, P, Maggi, C, Maggiora, R, Magnussen, M, Mailloux, J, Maljaars, B, Malygin, A, Mantica, P, Mantsinen, M, Maraschek, M, Marchand, B, Marconato, N, Marini, C, Marinucci, M, Markovic, T, Marocco, D, Marrelli, L, Martin, Y, Martin Solis, J, Martitsch, A, Mastrostefano, S, Mattei, M, Matthews, G, Mavridis, M, Mayoral, M, Mazon, D, Mccarthy, P, Mcadams, R, Mcardle, G, Mcclements, K, Mcdermott, R, Mcmillan, B, Meisl, G, Merle, A, Meyer, O, Milanesio, D, Militello, F, Miron, I, Mitosinkova, K, Mlynar, J, Mlynek, A, Molina, D, Molina, P, Monakhov, I, Morales, J, Moreau, D, Morel, P, Moret, J, Moro, A, Moulton, D, Mã¼ller, H, Nabais, F, Nardon, E, Naulin, V, Nemes-Czopf, A, Nespoli, F, Neu, R, Nielsen, A, Nielsen, S, Nikolaeva, V, Nimb, S, Nocente, M, Nouailletas, R, Nowak, S, Oberkofler, M, Oberparleiter, M, Ochoukov, R, Odsträ il, T, Olsen, J, Omotani, J, O'Mullane, M, Orain, F, Osterman, N, Paccagnella, R, Pamela, S, Pangione, L, Panjan, M, Papp, G, PapÅ™ok, R, Parail, V, Parra, F, Pau, A, Pautasso, G, Pehkonen, S, Pereira, A, Perelli Cippo, E, Pericoli Ridolfini, V, Peterka, M, Petersson, P, Petrzilka, V, Piovesan, P, Piron, C, Pironti, A, Pisano, F, Pisokas, T, Pitts, R, Ploumistakis, I, Plyusnin, V, Pokol, G, Poljak, D, Pã¶lã¶skei, P, Popovic, Z, Pã³r, G, Porte, L, Potzel, S, Predebon, I, Preynas, M, Primc, G, Pucella, G, Puiatti, M, Pã¼tterich, T, Rack, M, Ramogida, G, Rapson, C, Rasmussen, J, Rattã¡, G, Ratynskaia, S, Ravera, G, Rã©fy, D, Reich, M, Reimerdes, H, Reimold, F, Reinke, M, Reiser, D, Resnik, M, Reux, C, Ripamonti, D, Rittich, D, Riva, G, Rodriguez-Ramos, M, Rohde, V, Rosato, J, Ryter, F, Saarelma, S, Sabot, R, Saint-Laurent, F, Salewski, M, Salmi, A, Samaddar, D, Sanchis-Sanchez, L, Santos, J, Sauter, O, Scannell, R, Scheffer, M, Schneider, M, Schneider, B, Schneider, P, Schneller, M, Schrittwieser, R, Schubert, M, Schweinzer, J, Seidl, J, Sertoli, M, Å&nbsp, esniÄ‡, S, Shabbir, A, Shalpegin, A, Shanahan, B, Sharapov, S, Sheikh, U, Sias, G, Sieglin, B, Silva, C, Silva, A, Silva Fuglister, M, Simpson, J, Snicker, A, Sommariva, C, Sozzi, C, Spagnolo, S, Spizzo, G, Spolaore, M, Stange, T, Stejner Pedersen, M, Stepanov, I, Stober, J, Strand, P, uÅ¡njara, A, Suttrop, W, Szepesi, T, Tã¡l, B, Tala, T, Tamain, P, Tardini, G, Tardocchi, M, Teplukhina, A, Terranova, D, Testa, D, Theiler, C, Thornton, A, Tolias, P, Tophj, L, Treutterer, W, Trevisan, G, Tripsky, M, Tsironis, C, Tsui, C, Tudisco, O, Uccello, A, Urban, J, Valisa, M, Vallejos, P, Valovic, M, Van Den Brand, H, Vanovac, B, Varoutis, S, Vartanian, S, Vega, J, Verdoolaege, G, Verhaegh, K, Vermare, L, Vianello, N, Vicente, J, Viezzer, E, Vignitchouk, L, Vijvers, W, Villone, F, Viola, B, Vlahos, L, Voitsekhovitch, I, Vondrã¡ä ek, P, Vu, N, Wagner, D, Walkden, N, Wang, N, Wauters, T, Weiland, M, Weinzettl, V, Westerhof, E, Wiesenberger, M, Willensdorfer, M, Wischmeier, M, Wodniak, I, Wolfrum, E, Yadykin, D, Zagã³rski, R, Zammuto, I, Zanca, P, Zaplotnik, R, Zestanakis, P, Zhang, W, Zoletnik, S, Zuin, M, Institut Charles Sadron ( ICS ), Université de Strasbourg ( UNISTRA ) -Centre National de la Recherche Scientifique ( CNRS ) -Matériaux et nanosciences d'Alsace, Université de Strasbourg ( UNISTRA ) -Université de Haute-Alsace (UHA) Mulhouse - Colmar ( Université de Haute-Alsace (UHA) ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Strasbourg ( UNISTRA ) -Université de Haute-Alsace (UHA) Mulhouse - Colmar ( Université de Haute-Alsace (UHA) ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ) -Réseau nanophotonique et optique, Université de Strasbourg ( UNISTRA ) -Université de Haute-Alsace (UHA) Mulhouse - Colmar ( Université de Haute-Alsace (UHA) ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Strasbourg ( UNISTRA ), Max-Planck-Institut für Plasmaphysik [Garching] ( IPP ), Culham Science Centre, Institute of Plasma Physics, Association Euratom/IPP.CR ( IPP PRAGUE ), Czech Academy of Sciences [Prague] ( ASCR ), VTT Technical Research Centre of Finland ( VTT ), Univ. Mediterranea RC, Universidad Metropolitana de Ciencias de la Educación ( UMCE ), Laboratoire de Biométrie et Biologie Evolutive ( LBBE ), Université Claude Bernard Lyon 1 ( UCBL ), Université de Lyon-Université de Lyon-Institut National de Recherche en Informatique et en Automatique ( Inria ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de Recherche sur la Fusion par confinement Magnétique ( IRFM ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institute of Energy and Climate Research - Plasma Physics ( IEK-4 ), Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), Physique des interactions ioniques et moléculaires ( PIIM ), Aix Marseille Université ( AMU ) -Centre National de la Recherche Scientifique ( CNRS ), Institut des Sciences et Ingénierie Chimiques ( ISIC ), Ecole Polytechnique Fédérale de Lausanne ( EPFL ), Institute of Plasma Physics and Laser Microfusion [Warsaw] ( IPPLM ), Instituto de Plasmas e Fusão Nuclear [Lisboa] ( IPFN ), Instituto Superior Técnico, Universidade Técnica de Lisboa ( IST ), University of Basel ( Unibas ), Ferdinand-Braun-Institut für Höchtstfrequenztechnik ( FBH ), Institut de biologie moléculaire des plantes ( IBMP ), Université de Strasbourg ( UNISTRA ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de glaciologie et géophysique de l'environnement ( LGGE ), Observatoire des Sciences de l'Univers de Grenoble ( OSUG ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ) -Centre National de la Recherche Scientifique ( CNRS ), Génétique du cancer et des maladies neuropsychiatriques ( GMFC ), Université de Rouen Normandie ( UNIROUEN ), Normandie Université ( NU ) -Normandie Université ( NU ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Institute of Geophysics and Planetary Physics, Department of Physics, Stockholm University ( Department of Physics, Stockholm University ), Université de Lille, Sciences Humaines et Sociales, Département Recherches Subatomiques ( DRS-IPHC ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique ( CNRS ), Key Laboratory of Molecular Virology & Immunology ( LMVI ), Réseau International des Instituts Pasteur ( RIIP ) -Institut Pasteur de Shanghai - Académie des Sciences de Chine, Laboratoire Chrono-environnement ( LCE ), Université Bourgogne Franche-Comté ( UBFC ) -Université de Franche-Comté ( UFC ) -Centre National de la Recherche Scientifique ( CNRS ), Christian-Albrechts-Universität zu Kiel ( CAU ), Laboratoire de Physique des Plasmas ( LPP ), Université Paris-Sud - Paris 11 ( UP11 ) -Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Observatoire de Paris-École polytechnique ( X ) -Sorbonne Universités-PSL Research University ( PSL ) -Université Paris-Saclay-Centre National de la Recherche Scientifique ( CNRS ), Space and Astrophysics, Institute of Plasma Physics, Association EURATOM ( IPP PRAGUE ), Univ. Grenoble Alpes, LCIS, York Plasma Institute ( YPI ), University of Wisconsin-Madison [Madison], Association EURATOM-CEA ( CEA/DSM/DRFC ), Euratom/UKEAE Fusion Association ( JET ), European Synchrotron Radiation Facility ( ESRF ), Politecnico di Torino [Torino] ( Polito ), Instituto Andaluz de Geofísica, Universidad de Granada, Université du Québec, Etablissement français du sang [Besançon] ( EFS ), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut de Recherche pour le Développement (IRD)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), D'Arcangelo, O., Max Planck Institute for Plasma Physics, Swiss Federal Institute of Technology Lausanne, VTT Technical Research Centre of Finland, National Research Council of Italy, Czech Academy of Sciences, Instituto Superior Tecnico Lisboa, CEA, University of Naples Federico II, University of Cagliari, University of Naples Parthenope, Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile, National Technical University of Athens, CIEMAT, University of Oxford, EUROfusion Programme Management Unit, Wigner Research Centre for Physics, University of Strathclyde, Jülich Research Centre, Université de Lorraine, CNRS, University of Rome Tor Vergata, Uppsala University, University of Warwick, Soltan Institute for Nuclear Studies, Dutch Institute for Fundamental Energy Research, University of Innsbruck, University of Split, University of York, Budapest University of Technology and Economics, KTH Royal Institute of Technology, Barcelona Supercomputing Center, University of Seville, Karlsruhe Institute of Technology, University of Milan - Bicocca, Université Paris-Sud, Graz University of Technology, Royal Military Academy, Ghent University, Aristotle University of Thessaloniki, Technical University of Denmark, Department of Applied Physics, Vienna University of Technology, University of Helsinki, Foundation for Research and Technology-Hellas, Université Grenoble Alpes, Forschungszentrum Jülich, Durham University, Polytechnic University of Turin, University of Cassino and Southern Lazio, University College Cork, National Institute for Laser, Plasma and Radiation Physics, Chalmers University of Technology, Aalto-yliopisto, Aalto University, Universitat Politècnica de Catalunya. Departament de Física, Universitat Politècnica de Catalunya. ANT - Advanced Nuclear Technologies Research Group, Andrãbe, Y., Bilkovã¡, P., Bã¶hm, P., Brã©mond, S., Calabrã², G., Castejã³n, F., D'Inca, R., Doriä , V., Erdã¶s, B., Fã©vrier, O., Fridstrã¶m, R., Gaå azka, K., Gardarein, J. -. L., Gleason GonzÃ¡lez, C., Hã¶lzl, M., Honorã©, C., Horã¡ä ek, J., Horvã¡th, L., Kã¡lvin, S., Lazã¡nyi, N., Lefã©vre, L., Mayoral, M. -. L., Moret, J. -. M., Mã¼ller, H. W., Odsträ il, T., O'Mullane, M. G., Papå ok, R., Pehkonen, S. -. P., Pã¶lã¶skei, P., Pã³r, G., Pã¼tterich, T., Rattã¡, G. A., Rã©fy, D., Å esniä , S., Å uå¡njara, A., Tã¡l, B., Tophj, L., Van Den Brand, H., Vondrã¡ä ek, P., Zagã³rski, R., and Department of Physics
Subjects: Tokamak, Asdex upgrade, 01 natural sciences, 010305 fluids & plasmas, law.invention, heat loads, Divertor, ASDEX Upgrade, ASDEX upgrade, law, Fusió nuclear, Magnetoplasma, ComputingMilieux_MISCELLANEOUS, Physics, [SPI.PLASMA]Engineering Sciences [physics]/Plasmas, Plasma turbulence, alternative divertor concept, Condensed Matter Physics, Fusion, Plasma and Space Physics, edge localised mode, Thermal load, edge localised modes, Localised, TCV, [ SPI.PLASMA ] Engineering Sciences [physics]/Plasmas, PARTICLE, divertor, MAST, alternative divertor concepts, Nuclear and High Energy Physics, Materials science, Plasma (Gasos ionitzats), 114 Physical sciences, [SPI.AUTO]Engineering Sciences [physics]/Automatic, Fusion, plasma och rymdfysik, Fusion reactor divertors, Settore ING-INF/04 - Automatica, [ SPI.AUTO ] Engineering Sciences [physics]/Automatic, 0103 physical sciences, heat load, ddc:530, Aerospace engineering, 010306 general physics, Nuclear and High Energy Physic, Plasma (Ionized gases), Física [Àrees temàtiques de la UPC], business.industry, Mast, Física, Nuclear energy, Plasma, SCRAPE-OFF LAYER, Plasma edge, Alternative divertor concepts, DENSITY, Sols, Nuclear fusion, Energia nuclear, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract: Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) coordinates research on ASDEX Upgrade (AUG), MAST and TCV. This multi-machine approach within EU-MST, covering a wide parameter range, is instrumental to progress in the field, as ITER and DEMO core/pedestal and SOL parameters are not achievable simultaneously in present day devices. A two prong approach is adopted. On the one hand, scenarios with tolerable transient heat and particle loads, including active edge localised mode (ELM) control are developed. On the other hand, divertor solutions including advanced magnetic configurations are studied. Considerable progress has been made on both approaches, in particular in the fields of: ELM control with resonant magnetic perturbations (RMP), small ELM regimes, detachment onset and control, as well as filamentary scrape-off-layer transport. For example full ELM suppression has now been achieved on AUG at low collisionality with n = 2 RMP maintaining good confinement HH(98,y2)≈0.95. Advances have been made with respect to detachment onset and control. Studies in advanced divertor configurations (Snowflake, Super-X and X-point target divertor) shed new light on SOL physics. Cross field filamentary transport has been characterised in a wide parameter regime on AUG, MAST and TCV progressing the theoretical and experimental understanding crucial for predicting first wall loads in ITER and DEMO. Conditions in the SOL also play a crucial role for ELM stability and access to small ELM regimes. Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) coordinates research on ASDEX Upgrade (AUG), MAST and TCV. This multi-machine approach within EU-MST, covering a wide parameter range, is instrumental to progress in the field, as ITER and DEMO core/pedestal and SOL parameters are not achievable simultaneously in present day devices. A two prong approach is adopted. On the one hand, scenarios with tolerable transient heat and particle loads, including active edge localised mode (ELM) control are developed. On the other hand, divertor solutions including advanced magnetic configurations are studied. Considerable progress has been made on both approaches, in particular in the fields of: ELM control with resonant magnetic perturbations (RMP), small ELM regimes, detachment onset and control, as well as filamentary scrape-off-layer transport. For example full ELM suppression has now been achieved on AUG at low collisionality with n = 2 RMP maintaining good confinement H-H(98,H-y2) approximate to 0.95. Advances have been made with respect to detachment onset and control. Studies in advanced divertor configurations (Snowflake, Super-X and X-point target divertor) shed new light on SOL physics. Cross field filamentary transport has been characterised in a wide parameter regime on AUG, MAST and TCV progressing the theoretical and experimental understanding crucial for predicting first wall loads in ITER and DEMO. Conditions in the SOL also play a crucial role for ELM stability and access to small ELM regimes.
Published: 2017
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22. Three dimensional boundary displacement due to stable ideal kink modes excited by external n = 2 magnetic perturbations

Author: Willensdorfer, M., primary, Strumberger, E., additional, Suttrop, W., additional, Dunne, M., additional, Fischer, R., additional, Birkenmeier, G., additional, Brida, D., additional, Cavedon, M., additional, Denk, S.S., additional, Igochine, V., additional, Giannone, L., additional, Kirk, A., additional, Kirschner, J., additional, Medvedeva, A., additional, Odstrčil, T., additional, and Ryan, D.A., additional
Published: 2017
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23. Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution a

Author: Meyer, H., primary, Eich, T., additional, Beurskens, M., additional, Coda, S., additional, Hakola, A., additional, Martin, P., additional, Adamek, J., additional, Agostini, M., additional, Aguiam, D., additional, Ahn, J., additional, Aho-Mantila, L., additional, Akers, R., additional, Albanese, R., additional, Aledda, R., additional, Alessi, E., additional, Allan, S., additional, Alves, D., additional, Ambrosino, R., additional, Amicucci, L., additional, Anand, H., additional, Anastassiou, G., additional, Andrèbe, Y., additional, Angioni, C., additional, Apruzzese, G., additional, Ariola, M., additional, Arnichand, H., additional, Arter, W., additional, Baciero, A., additional, Barnes, M., additional, Barrera, L., additional, Behn, R., additional, Bencze, A., additional, Bernardo, J., additional, Bernert, M., additional, Bettini, P., additional, Bilková, P., additional, Bin, W., additional, Birkenmeier, G., additional, Bizarro, J.P.S., additional, Blanchard, P., additional, Blanken, T., additional, Bluteau, M., additional, Bobkov, V., additional, Bogar, O., additional, Böhm, P., additional, Bolzonella, T., additional, Boncagni, L., additional, Botrugno, A., additional, Bottereau, C., additional, Bouquey, F., additional, Bourdelle, C., additional, Brémond, S., additional, Brezinsek, S., additional, Brida, D., additional, Brochard, F., additional, Buchanan, J., additional, Bufferand, H., additional, Buratti, P., additional, Cahyna, P., additional, Calabrò, G., additional, Camenen, Y., additional, Caniello, R., additional, Cannas, B., additional, Canton, A., additional, Cardinali, A., additional, Carnevale, D., additional, Carr, M., additional, Carralero, D., additional, Carvalho, P., additional, Casali, L., additional, Castaldo, C., additional, Castejón, F., additional, Castro, R., additional, Causa, F., additional, Cavazzana, R., additional, Cavedon, M., additional, Cecconello, M., additional, Ceccuzzi, S., additional, Cesario, R., additional, Challis, C.D., additional, Chapman, I.T., additional, Chapman, S., additional, Chernyshova, M., additional, Choi, D., additional, Cianfarani, C., additional, Ciraolo, G., additional, Citrin, J., additional, Clairet, F., additional, Classen, I., additional, Coelho, R., additional, Coenen, J.W., additional, Colas, L., additional, Conway, G., additional, Corre, Y., additional, Costea, S., additional, Crisanti, F., additional, Cruz, N., additional, Cseh, G., additional, Czarnecka, A., additional, D’Arcangelo, O., additional, De Angeli, M., additional, De Masi, G., additional, De Temmerman, G., additional, De Tommasi, G., additional, Decker, J., additional, Delogu, R.S., additional, Dendy, R., additional, Denner, P., additional, Di Troia, C., additional, Dimitrova, M., additional, D’Inca, R., additional, Dorić, V., additional, Douai, D., additional, Drenik, A., additional, Dudson, B., additional, Dunai, D., additional, Dunne, M., additional, Duval, B.P., additional, Easy, L., additional, Elmore, S., additional, Erdös, B., additional, Esposito, B., additional, Fable, E., additional, Faitsch, M., additional, Fanni, A., additional, Fedorczak, N., additional, Felici, F., additional, Ferreira, J., additional, Février, O., additional, Ficker, O., additional, Fietz, S., additional, Figini, L., additional, Figueiredo, A., additional, Fil, A., additional, Fishpool, G., additional, Fitzgerald, M., additional, Fontana, M., additional, Ford, O., additional, Frassinetti, L., additional, Fridström, R., additional, Frigione, D., additional, Fuchert, G., additional, Fuchs, C., additional, Furno Palumbo, M., additional, Futatani, S., additional, Gabellieri, L., additional, Gałązka, K., additional, Galdon-Quiroga, J., additional, Galeani, S., additional, Gallart, D., additional, Gallo, A., additional, Galperti, C., additional, Gao, Y., additional, Garavaglia, S., additional, Garcia, J., additional, Garcia-Carrasco, A., additional, Garcia-Lopez, J., additional, Garcia-Munoz, M., additional, Gardarein, J.-L., additional, Garzotti, L., additional, Gaspar, J., additional, Gauthier, E., additional, Geelen, P., additional, Geiger, B., additional, Ghendrih, P., additional, Ghezzi, F., additional, Giacomelli, L., additional, Giannone, L., additional, Giovannozzi, E., additional, Giroud, C., additional, Gleason González, C., additional, Gobbin, M., additional, Goodman, T.P., additional, Gorini, G., additional, Gospodarczyk, M., additional, Granucci, G., additional, Gruber, M., additional, Gude, A., additional, Guimarais, L., additional, Guirlet, R., additional, Gunn, J., additional, Hacek, P., additional, Hacquin, S., additional, Hall, S., additional, Ham, C., additional, Happel, T., additional, Harrison, J., additional, Harting, D., additional, Hauer, V., additional, Havlickova, E., additional, Hellsten, T., additional, Helou, W., additional, Henderson, S., additional, Hennequin, P., additional, Heyn, M., additional, Hnat, B., additional, Hölzl, M., additional, Hogeweij, D., additional, Honoré, C., additional, Hopf, C., additional, Horáček, J., additional, Hornung, G., additional, Horváth, L., additional, Huang, Z., additional, Huber, A., additional, Igitkhanov, J., additional, Igochine, V., additional, Imrisek, M., additional, Innocente, P., additional, Ionita-Schrittwieser, C., additional, Isliker, H., additional, Ivanova-Stanik, I., additional, Jacobsen, A.S., additional, Jacquet, P., additional, Jakubowski, M., additional, Jardin, A., additional, Jaulmes, F., additional, Jenko, F., additional, Jensen, T., additional, Jeppe Miki Busk, O., additional, Jessen, M., additional, Joffrin, E., additional, Jones, O., additional, Jonsson, T., additional, Kallenbach, A., additional, Kallinikos, N., additional, Kálvin, S., additional, Kappatou, A., additional, Karhunen, J., additional, Karpushov, A., additional, Kasilov, S., additional, Kasprowicz, G., additional, Kendl, A., additional, Kernbichler, W., additional, Kim, D., additional, Kirk, A., additional, Kjer, S., additional, Klimek, I., additional, Kocsis, G., additional, Kogut, D., additional, Komm, M., additional, Korsholm, S.B., additional, Koslowski, H.R., additional, Koubiti, M., additional, Kovacic, J., additional, Kovarik, K., additional, Krawczyk, N., additional, Krbec, J., additional, Krieger, K., additional, Krivska, A., additional, Kube, R., additional, Kudlacek, O., additional, Kurki-Suonio, T., additional, Labit, B., additional, Laggner, F.M., additional, Laguardia, L., additional, Lahtinen, A., additional, Lalousis, P., additional, Lang, P., additional, Lauber, P., additional, Lazányi, N., additional, Lazaros, A., additional, Le, H.B., additional, Lebschy, A., additional, Leddy, J., additional, Lefévre, L., additional, Lehnen, M., additional, Leipold, F., additional, Lessig, A., additional, Leyland, M., additional, Li, L., additional, Liang, Y., additional, Lipschultz, B., additional, Liu, Y.Q., additional, Loarer, T., additional, Loarte, A., additional, Loewenhoff, T., additional, Lomanowski, B., additional, Loschiavo, V.P., additional, Lunt, T., additional, Lupelli, I., additional, Lux, H., additional, Lyssoivan, A., additional, Madsen, J., additional, Maget, P., additional, Maggi, C., additional, Maggiora, R., additional, Magnussen, M.L., additional, Mailloux, J., additional, Maljaars, B., additional, Malygin, A., additional, Mantica, P., additional, Mantsinen, M., additional, Maraschek, M., additional, Marchand, B., additional, Marconato, N., additional, Marini, C., additional, Marinucci, M., additional, Markovic, T., additional, Marocco, D., additional, Marrelli, L., additional, Martin, Y., additional, Martin Solis, J.R., additional, Martitsch, A., additional, Mastrostefano, S., additional, Mattei, M., additional, Matthews, G., additional, Mavridis, M., additional, Mayoral, M.-L., additional, Mazon, D., additional, McCarthy, P., additional, McAdams, R., additional, McArdle, G., additional, McClements, K., additional, McDermott, R., additional, McMillan, B., additional, Meisl, G., additional, Merle, A., additional, Meyer, O., additional, Milanesio, D., additional, Militello, F., additional, Miron, I.G., additional, Mitosinkova, K., additional, Mlynar, J., additional, Mlynek, A., additional, Molina, D., additional, Molina, P., additional, Monakhov, I., additional, Morales, J., additional, Moreau, D., additional, Morel, P., additional, Moret, J.-M., additional, Moro, A., additional, Moulton, D., additional, Müller, H.W., additional, Nabais, F., additional, Nardon, E., additional, Naulin, V., additional, Nemes-Czopf, A., additional, Nespoli, F., additional, Neu, R., additional, Nielsen, A.H., additional, Nielsen, S.K., additional, Nikolaeva, V., additional, Nimb, S., additional, Nocente, M., additional, Nouailletas, R., additional, Nowak, S., additional, Oberkofler, M., additional, Oberparleiter, M., additional, Ochoukov, R., additional, Odstrčil, T., additional, Olsen, J., additional, Omotani, J., additional, O’Mullane, M.G., additional, Orain, F., additional, Osterman, N., additional, Paccagnella, R., additional, Pamela, S., additional, Pangione, L., additional, Panjan, M., additional, Papp, G., additional, Papřok, R., additional, Parail, V., additional, Parra, F.I., additional, Pau, A., additional, Pautasso, G., additional, Pehkonen, S.-P., additional, Pereira, A., additional, Perelli Cippo, E., additional, Pericoli Ridolfini, V., additional, Peterka, M., additional, Petersson, P., additional, Petrzilka, V., additional, Piovesan, P., additional, Piron, C., additional, Pironti, A., additional, Pisano, F., additional, Pisokas, T., additional, Pitts, R., additional, Ploumistakis, I., additional, Plyusnin, V., additional, Pokol, G., additional, Poljak, D., additional, Pölöskei, P., additional, Popovic, Z., additional, Pór, G., additional, Porte, L., additional, Potzel, S., additional, Predebon, I., additional, Preynas, M., additional, Primc, G., additional, Pucella, G., additional, Puiatti, M.E., additional, Pütterich, T., additional, Rack, M., additional, Ramogida, G., additional, Rapson, C., additional, Rasmussen, J.Juul, additional, Rasmussen, J., additional, Rattá, G.A., additional, Ratynskaia, S., additional, Ravera, G., additional, Réfy, D., additional, Reich, M., additional, Reimerdes, H., additional, Reimold, F., additional, Reinke, M., additional, Reiser, D., additional, Resnik, M., additional, Reux, C., additional, Ripamonti, D., additional, Rittich, D., additional, Riva, G., additional, Rodriguez-Ramos, M., additional, Rohde, V., additional, Rosato, J., additional, Ryter, F., additional, Saarelma, S., additional, Sabot, R., additional, Saint-Laurent, F., additional, Salewski, M., additional, Salmi, A., additional, Samaddar, D., additional, Sanchis-Sanchez, L., additional, Santos, J., additional, Sauter, O., additional, Scannell, R., additional, Scheffer, M., additional, Schneider, M., additional, Schneider, B., additional, Schneider, P., additional, Schneller, M., additional, Schrittwieser, R., additional, Schubert, M., additional, Schweinzer, J., additional, Seidl, J., additional, Sertoli, M., additional, Šesnić, S., additional, Shabbir, A., additional, Shalpegin, A., additional, Shanahan, B., additional, Sharapov, S., additional, Sheikh, U., additional, Sias, G., additional, Sieglin, B., additional, Silva, C., additional, Silva, A., additional, Silva Fuglister, M., additional, Simpson, J., additional, Snicker, A., additional, Sommariva, C., additional, Sozzi, C., additional, Spagnolo, S., additional, Spizzo, G., additional, Spolaore, M., additional, Stange, T., additional, Stejner Pedersen, M., additional, Stepanov, I., additional, Stober, J., additional, Strand, P., additional, Šušnjara, A., additional, Suttrop, W., additional, Szepesi, T., additional, Tál, B., additional, Tala, T., additional, Tamain, P., additional, Tardini, G., additional, Tardocchi, M., additional, Teplukhina, A., additional, Terranova, D., additional, Testa, D., additional, Theiler, C., additional, Thornton, A., additional, Tolias, P., additional, Tophøj, L., additional, Treutterer, W., additional, Trevisan, G.L., additional, Tripsky, M., additional, Tsironis, C., additional, Tsui, C., additional, Tudisco, O., additional, Uccello, A., additional, Urban, J., additional, Valisa, M., additional, Vallejos, P., additional, Valovic, M., additional, Van den Brand, H., additional, Vanovac, B., additional, Varoutis, S., additional, Vartanian, S., additional, Vega, J., additional, Verdoolaege, G., additional, Verhaegh, K., additional, Vermare, L., additional, Vianello, N., additional, Vicente, J., additional, Viezzer, E., additional, Vignitchouk, L., additional, Vijvers, W.A.J., additional, Villone, F., additional, Viola, B., additional, Vlahos, L., additional, Voitsekhovitch, I., additional, Vondráček, P., additional, Vu, N.M.T., additional, Wagner, D., additional, Walkden, N., additional, Wang, N., additional, Wauters, T., additional, Weiland, M., additional, Weinzettl, V., additional, Westerhof, E., additional, Wiesenberger, M., additional, Willensdorfer, M., additional, Wischmeier, M., additional, Wodniak, I., additional, Wolfrum, E., additional, Yadykin, D., additional, Zagórski, R., additional, Zammuto, I., additional, Zanca, P., additional, Zaplotnik, R., additional, Zestanakis, P., additional, Zhang, W., additional, Zoletnik, S., additional, and Zuin, M., additional
Published: 2017
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24. Overview of the TCV tokamak program: scientific progress and facility upgrades

Author: Coda, S., primary, Ahn, J., additional, Albanese, R., additional, Alberti, S., additional, Alessi, E., additional, Allan, S., additional, Anand, H., additional, Anastassiou, G., additional, Andrèbe, Y., additional, Angioni, C., additional, Ariola, M., additional, Bernert, M., additional, Beurskens, M., additional, Bin, W., additional, Blanchard, P., additional, Blanken, T.C., additional, Boedo, J.A., additional, Bolzonella, T., additional, Bouquey, F., additional, Braunmüller, F.H., additional, Bufferand, H., additional, Buratti, P., additional, Calabró, G., additional, Camenen, Y., additional, Carnevale, D., additional, Carpanese, F., additional, Causa, F., additional, Cesario, R., additional, Chapman, I.T., additional, Chellai, O., additional, Choi, D., additional, Cianfarani, C., additional, Ciraolo, G., additional, Citrin, J., additional, Costea, S., additional, Crisanti, F., additional, Cruz, N., additional, Czarnecka, A., additional, Decker, J., additional, De Masi, G., additional, De Tommasi, G., additional, Douai, D., additional, Dunne, M., additional, Duval, B.P., additional, Eich, T., additional, Elmore, S., additional, Esposito, B., additional, Faitsch, M., additional, Fasoli, A., additional, Fedorczak, N., additional, Felici, F., additional, Février, O., additional, Ficker, O., additional, Fietz, S., additional, Fontana, M., additional, Frassinetti, L., additional, Furno, I., additional, Galeani, S., additional, Gallo, A., additional, Galperti, C., additional, Garavaglia, S., additional, Garrido, I., additional, Geiger, B., additional, Giovannozzi, E., additional, Gobbin, M., additional, Goodman, T.P., additional, Gorini, G., additional, Gospodarczyk, M., additional, Granucci, G., additional, Graves, J.P., additional, Guirlet, R., additional, Hakola, A., additional, Ham, C., additional, Harrison, J., additional, Hawke, J., additional, Hennequin, P., additional, Hnat, B., additional, Hogeweij, D., additional, Hogge, J.-Ph., additional, Honoré, C., additional, Hopf, C., additional, Horáček, J., additional, Huang, Z., additional, Igochine, V., additional, Innocente, P., additional, Ionita Schrittwieser, C., additional, Isliker, H., additional, Jacquier, R., additional, Jardin, A., additional, Kamleitner, J., additional, Karpushov, A., additional, Keeling, D.L., additional, Kirneva, N., additional, Kong, M., additional, Koubiti, M., additional, Kovacic, J., additional, Krämer-Flecken, A., additional, Krawczyk, N., additional, Kudlacek, O., additional, Labit, B., additional, Lazzaro, E., additional, Le, H.B., additional, Lipschultz, B., additional, Llobet, X., additional, Lomanowski, B., additional, Loschiavo, V.P., additional, Lunt, T., additional, Maget, P., additional, Maljaars, E., additional, Malygin, A., additional, Maraschek, M., additional, Marini, C., additional, Martin, P., additional, Martin, Y., additional, Mastrostefano, S., additional, Maurizio, R., additional, Mavridis, M., additional, Mazon, D., additional, McAdams, R., additional, McDermott, R., additional, Merle, A., additional, Meyer, H., additional, Militello, F., additional, Miron, I.G., additional, Molina Cabrera, P.A., additional, Moret, J.-M., additional, Moro, A., additional, Moulton, D., additional, Naulin, V., additional, Nespoli, F., additional, Nielsen, A.H., additional, Nocente, M., additional, Nouailletas, R., additional, Nowak, S., additional, Odstrčil, T., additional, Papp, G., additional, Papřok, R., additional, Pau, A., additional, Pautasso, G., additional, Pericoli Ridolfini, V., additional, Piovesan, P., additional, Piron, C., additional, Pisokas, T., additional, Porte, L., additional, Preynas, M., additional, Ramogida, G., additional, Rapson, C., additional, Juul Rasmussen, J., additional, Reich, M., additional, Reimerdes, H., additional, Reux, C., additional, Ricci, P., additional, Rittich, D., additional, Riva, F., additional, Robinson, T., additional, Saarelma, S., additional, Saint-Laurent, F., additional, Sauter, O., additional, Scannell, R., additional, Schlatter, Ch., additional, Schneider, B., additional, Schneider, P., additional, Schrittwieser, R., additional, Sciortino, F., additional, Sertoli, M., additional, Sheikh, U., additional, Sieglin, B., additional, Silva, M., additional, Sinha, J., additional, Sozzi, C., additional, Spolaore, M., additional, Stange, T., additional, Stoltzfus-Dueck, T., additional, Tamain, P., additional, Teplukhina, A., additional, Testa, D., additional, Theiler, C., additional, Thornton, A., additional, Tophøj, L., additional, Tran, M.Q., additional, Tsironis, C., additional, Tsui, C., additional, Uccello, A., additional, Vartanian, S., additional, Verdoolaege, G., additional, Verhaegh, K., additional, Vermare, L., additional, Vianello, N., additional, Vijvers, W.A.J., additional, Vlahos, L., additional, Vu, N.M.T., additional, Walkden, N., additional, Wauters, T., additional, Weisen, H., additional, Wischmeier, M., additional, Zestanakis, P., additional, and Zuin, M., additional
Published: 2017
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25. H-mode grade confinement in L-mode edge plasmas at negative triangularity on DIII-D.

Author: Marinoni, A., Austin, M. E., Hyatt, A. W., Walker, M. L., Candy, J., Chrystal, C., Lasnier, C. J., McKee, G. R., Odstrčil, T., Petty, C. C., Porkolab, M., Rost, J. C., Sauter, O., Smith, S. P., Staebler, G. M., Sung, C., Thome, K. E., Turnbull, A. D., and Zeng, L.
Subjects: ELECTRON density, ELECTRON temperature, PLASMA boundary layers, ELECTRONS
Abstract: Plasmas with a negative triangularity shape have been created on the DIII-D tokamak that, despite maintaining standard L-mode edge radial profiles, reach volume averaged pressure levels typical of H-mode scenarios. Within the auxiliary power available for these experiments, plasmas exhibit near-zero power degradation while sustaining βN = 2.7 and H98,y2 = 1.2 for several energy confinement times. Detailed comparison with matched discharges at positive triangularity indicates that Trapped Electron Modes are weakened at negative triangularity, consistent with increased confinement and reduced intensity of fluctuations in electron density, electron temperature, and ion density. These results indicate that a negative triangularity plasma operating without an edge pedestal might provide an attractive scenario for operations in future reactors. [ABSTRACT FROM AUTHOR]
Published: 2019
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26. Overview of the TCV tokamak program : Scientific progress and facility upgrades

Author: Coda, S., Ahn, J., Albanese, R., Alberti, S., Alessi, E., Allan, S., Anand, H., Anastassiou, G., Andrèbe, Y., Angioni, C., Ariola, M., Bernert, M., Beurskens, M., Bin, W., Blanchard, P., Blanken, T. C., Boedo, J. A., Bolzonella, T., Bouquey, F., Braunmüller, F. H., Bufferand, H., Buratti, P., Calabró, G., Camenen, Y., Carnevale, D., Carpanese, F., Causa, F., Cesario, R., Chapman, I. T., Chellai, O., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Costea, S., Crisanti, F., Cruz, N., Czarnecka, A., Decker, J., De Masi, G., De Tommasi, G., Douai, D., Dunne, M., Duval, B. P., Eich, T., Elmore, S., Esposito, B., Faitsch, M., Fasoli, A., Fedorczak, N., Felici, F., Février, O., Ficker, O., Fietz, S., Fontana, M., Frassinetti, Lorenzo, Furno, I., Galeani, S., Gallo, A., Galperti, C., Garavaglia, S., Garrido, I., Geiger, B., Giovannozzi, E., Gobbin, M., Goodman, T. P., Gorini, G., Gospodarczyk, M., Granucci, G., Graves, J. P., Guirlet, R., Hakola, A., Ham, C., Harrison, J., Hawke, J., Hennequin, P., Hnat, B., Hogeweij, D., Hogge, J. -P, Honoré, C., Hopf, C., Horáček, J., Huang, Z., Igochine, V., Innocente, P., Ionita Schrittwieser, C., Isliker, H., Jacquier, R., Jardin, A., Kamleitner, J., Karpushov, A., Keeling, D. L., Kirneva, N., Kong, M., Koubiti, M., Kovacic, J., Krämer-Flecken, A., Krawczyk, N., Kudlacek, O., Labit, B., Lazzaro, E., Le, H. B., Lipschultz, B., Llobet, X., Lomanowski, B., Loschiavo, V. P., Lunt, T., Maget, P., Maljaars, E., Malygin, A., Maraschek, M., Marini, C., Martin, P., Martin, Y., Mastrostefano, S., Maurizio, R., Mavridis, M., Mazon, D., McAdams, R., McDermott, R., Merle, A., Meyer, H., Militello, F., Miron, I. G., Molina Cabrera, P. A., Moret, J. -M, Moro, A., Moulton, D., Naulin, V., Nespoli, F., Nielsen, A. H., Nocente, M., Nouailletas, R., Nowak, S., Odstrčil, T., Papp, G., Papřok, R., Pau, A., Pautasso, G., Pericoli Ridolfini, V., Piovesan, P., Piron, C., Pisokas, T., Porte, L., Preynas, M., Ramogida, G., Rapson, C., Juul Rasmussen, J., Reich, M., Reimerdes, H., Reux, C., Ricci, P., Rittich, D., Riva, F., Robinson, T., Saarelma, S., Saint-Laurent, F., Sauter, O., Scannell, R., Schlatter, C., Schneider, B., Schneider, P., Schrittwieser, R., Sciortino, F., Sertoli, M., Sheikh, U., Sieglin, B., Silva, M., Sinha, J., Sozzi, C., Spolaore, M., Stange, T., Stoltzfus-Dueck, T., Tamain, P., Teplukhina, A., Testa, D., Theiler, C., Thornton, A., Tophøj, L., Tran, M. Q., Tsironis, C., Tsui, C., Uccello, A., Vartanian, S., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vijvers, W. A. J., Vlahos, L., Vu, N. M. T., Walkden, N., Wauters, T., Weisen, H., Wischmeier, M., Zestanakis, P., Zuin, M., Coda, S., Ahn, J., Albanese, R., Alberti, S., Alessi, E., Allan, S., Anand, H., Anastassiou, G., Andrèbe, Y., Angioni, C., Ariola, M., Bernert, M., Beurskens, M., Bin, W., Blanchard, P., Blanken, T. C., Boedo, J. A., Bolzonella, T., Bouquey, F., Braunmüller, F. H., Bufferand, H., Buratti, P., Calabró, G., Camenen, Y., Carnevale, D., Carpanese, F., Causa, F., Cesario, R., Chapman, I. T., Chellai, O., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Costea, S., Crisanti, F., Cruz, N., Czarnecka, A., Decker, J., De Masi, G., De Tommasi, G., Douai, D., Dunne, M., Duval, B. P., Eich, T., Elmore, S., Esposito, B., Faitsch, M., Fasoli, A., Fedorczak, N., Felici, F., Février, O., Ficker, O., Fietz, S., Fontana, M., Frassinetti, Lorenzo, Furno, I., Galeani, S., Gallo, A., Galperti, C., Garavaglia, S., Garrido, I., Geiger, B., Giovannozzi, E., Gobbin, M., Goodman, T. P., Gorini, G., Gospodarczyk, M., Granucci, G., Graves, J. P., Guirlet, R., Hakola, A., Ham, C., Harrison, J., Hawke, J., Hennequin, P., Hnat, B., Hogeweij, D., Hogge, J. -P, Honoré, C., Hopf, C., Horáček, J., Huang, Z., Igochine, V., Innocente, P., Ionita Schrittwieser, C., Isliker, H., Jacquier, R., Jardin, A., Kamleitner, J., Karpushov, A., Keeling, D. L., Kirneva, N., Kong, M., Koubiti, M., Kovacic, J., Krämer-Flecken, A., Krawczyk, N., Kudlacek, O., Labit, B., Lazzaro, E., Le, H. B., Lipschultz, B., Llobet, X., Lomanowski, B., Loschiavo, V. P., Lunt, T., Maget, P., Maljaars, E., Malygin, A., Maraschek, M., Marini, C., Martin, P., Martin, Y., Mastrostefano, S., Maurizio, R., Mavridis, M., Mazon, D., McAdams, R., McDermott, R., Merle, A., Meyer, H., Militello, F., Miron, I. G., Molina Cabrera, P. A., Moret, J. -M, Moro, A., Moulton, D., Naulin, V., Nespoli, F., Nielsen, A. H., Nocente, M., Nouailletas, R., Nowak, S., Odstrčil, T., Papp, G., Papřok, R., Pau, A., Pautasso, G., Pericoli Ridolfini, V., Piovesan, P., Piron, C., Pisokas, T., Porte, L., Preynas, M., Ramogida, G., Rapson, C., Juul Rasmussen, J., Reich, M., Reimerdes, H., Reux, C., Ricci, P., Rittich, D., Riva, F., Robinson, T., Saarelma, S., Saint-Laurent, F., Sauter, O., Scannell, R., Schlatter, C., Schneider, B., Schneider, P., Schrittwieser, R., Sciortino, F., Sertoli, M., Sheikh, U., Sieglin, B., Silva, M., Sinha, J., Sozzi, C., Spolaore, M., Stange, T., Stoltzfus-Dueck, T., Tamain, P., Teplukhina, A., Testa, D., Theiler, C., Thornton, A., Tophøj, L., Tran, M. Q., Tsironis, C., Tsui, C., Uccello, A., Vartanian, S., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vijvers, W. A. J., Vlahos, L., Vu, N. M. T., Walkden, N., Wauters, T., Weisen, H., Wischmeier, M., Zestanakis, P., and Zuin, M.
Abstract: The TCV tokamak is augmenting its unique historical capabilities (strong shaping, strong electron heating) with ion heating, additional electron heating compatible with high densities, and variable divertor geometry, in a multifaceted upgrade program designed to broaden its operational range without sacrificing its fundamental flexibility. The TCV program is rooted in a three-pronged approach aimed at ITER support, explorations towards DEMO, and fundamental research. A 1 MW, tangential neutral beam injector (NBI) was recently installed and promptly extended the TCV parameter range, with record ion temperatures and toroidal rotation velocities and measurable neutral-beam current drive. ITER-relevant scenario development has received particular attention, with strategies aimed at maximizing performance through optimized discharge trajectories to avoid MHD instabilities, such as peeling-ballooning and neoclassical tearing modes. Experiments on exhaust physics have focused particularly on detachment, a necessary step to a DEMO reactor, in a comprehensive set of conventional and advanced divertor concepts. The specific theoretical prediction of an enhanced radiation region between the two X-points in the low-field-side snowflake-minus configuration was experimentally confirmed. Fundamental investigations of the power decay length in the scrape-off layer (SOL) are progressing rapidly, again in widely varying configurations and in both D and He plasmas; in particular, the double decay length in L-mode limited plasmas was found to be replaced by a single length at high SOL resistivity. Experiments on disruption mitigation by massive gas injection and electron-cyclotron resonance heating (ECRH) have begun in earnest, in parallel with studies of runaway electron generation and control, in both stable and disruptive conditions; a quiescent runaway beam carrying the entire electrical current appears to develop in some cases. Developments in plasma control have benefited from pr, QC 20171212
Published: 2017
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27. Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution

Author: Meyer, H., Eich, T., Beurskens, M.N.A., Coda, S., Hakola, A., Martin, P., Adamek, J., Agostini, M., Aguiam, D., Ahn, J., Aho-Mantila, L., Akers, R., Albanese, R., Aledda, R., Alessi, E., Allan, S., Alves, D., Ambrosino, R., Amicucci, L., Anand, H., Anastassiou, G., Andrèbe, Y., Angioni, C., Apruzzese, G., Ariola, M., Arnichand, H., Arter, W., Baciero, A., Barnes, M., Barrera, L., Behn, R., Bencze, A., Bernardo, J., Bernert, M., Bettini, P., Bilková, P., Bin, W., Birkenmeier, G., Bizarro, J. P.S., Blanchard, P., Blanken, T., Bluteau, M., Bobkov, V., Bogar, O., Böhm, P., Bolzonella, T., Boncagni, L., Botrugno, A., Bottereau, C., Bouquey, F., Bourdelle, C., Brémond, S., Brezinsek, S., Brida, D., Brochard, F., Buchanan, J., Bufferand, H., Buratti, P., Cahyna, P., Calabrò, G., Camenen, Y., Caniello, R., Cannas, B., Canton, A., Cardinali, A., Carnevale, D., Carr, M., Carralero, D., Carvalho, P., Casali, L., Castaldo, C., Castejón, F., Castro, R., Causa, F., Cavazzana, R., Cavedon, M., Cecconello, M., Ceccuzzi, S., Cesario, R., Challis, C.D., Chapman, I.T., Chapman, S., Chernyshova, M., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Clairet, F., Classen, I., Coelho, R., Coenen, J. W., Colas, L., Conway, G., Corre, Y., Costea, S., Crisanti, F., Cruz, N., Cseh, G., Czarnecka, A., D'Arcangelo, O., De Angeli, M., De Masi, G., De Temmerman, G., De Tommasi, G., Decker, J., Delogu, R. S., Dendy, R., Denner, P., Di Troia, C., Dimitrova, M., D'Inca, R., Dorić, V., Douai, D., Drenik, A., Dudson, B., Dunai, D., Dunne, M., Duval, B. P., Easy, L., Elmore, S., Erdös, B., Esposito, B., Fable, E., Faitsch, M., Fanni, A., Fedorczak, N., Felici, F., Ferreira, J., Février, O., Ficker, O., Fietz, S., Figini, L., Figueiredo, A., Fil, A., Fishpool, G., Fitzgerald, M., Fontana, M., Ford, O., Frassinetti, L., Fridström, R., Frigione, D., Fuchert, G., Fuchs, C., Furno Palumbo, M., Futatani, S., Gabellieri, L., Gałazka, K., Galdon-Quiroga, J., Galeani, S., Gallart, D., Gallo, A., Galperti, C., Gao, Y., Garavaglia, S., Garcia, J., Garcia-Carrasco, A., Garcia-Lopez, J., Garcia-Munoz, M., Gardarein, J. L., Garzotti, L., Gaspar, J., Gauthier, E., Geelen, P., Geiger, B., Ghendrih, P., Ghezzi, F., Giacomelli, L., Giannone, L., Giovannozzi, E., Giroud, C., Gleason González, C., Gobbin, M., Goodman, T. P., Gorini, G., Gospodarczyk, M., Granucci, G., Gruber, M., Gude, A., Guimarais, L., Guirlet, R., Gunn, J., Hacek, P., Hacquin, S., Hall, S., Ham, C., Happel, T., Harrison, J., Harting, D., Hauer, V., Havlickova, E., Hellsten, T., Helou, W., Henderson, S., Hennequin, P., Heyn, M., Hnat, B., Hölzl, M., Hogeweij, D., Honoré, C., Hopf, C., Horáček, J., Hornung, G., Horváth, L., Huang, Z., Huber, A., Igitkhanov, J., Igochine, V., Imrisek, M., Innocente, P., Ionita-Schrittwieser, C., Isliker, H., Ivanova-Stanik, I., Jacobsen, A. S., Jacquet, P., Jakubowski, M., Jardin, A., Jaulmes, F., Jenko, F., Jensen, T., Jeppe Miki Busk, O., Jessen, M., Joffrin, E., Jones, O., Jonsson, T., Kallenbach, A., Kallinikos, N., Kálvin, S., Kappatou, A., Karhunen, J., Karpushov, A., Kasilov, S., Kasprowicz, G., Kendl, A., Kernbichler, W., Kim, D., Kirk, A., Kjer, S., Klimek, I., Kocsis, G., Kogut, D., Komm, M., Korsholm, S. B., Koslowski, H. R., Koubiti, M., Kovacic, J., Kovarik, K., Krawczyk, N., Krbec, J., Krieger, K., Krivska, A., Kube, R., Kudlacek, O., Kurki-Suonio, T., Labit, B., Laggner, F. M., Laguardia, L., Lahtinen, A., Lalousis, P., Lang, P., Lauber, P., Lazányi, N., Lazaros, A., Le, H.B., Lebschy, A., Leddy, J., Lefévre, L., Lehnen, M., Leipold, F., Lessig, A., Leyland, M., Li, L., Liang, Y., Lipschultz, B., Liu, Y.Q., Loarer, T., Loarte, A., Loewenhoff, T., Lomanowski, B., Loschiavo, V. P., Lunt, T., Lupelli, I., Lux, H., Lyssoivan, A., Madsen, J., Maget, P., Maggi, C., Maggiora, R., Magnussen, M. L., Mailloux, J., Maljaars, B., Malygin, A., Mantica, P., Mantsinen, M., Maraschek, M., Marchand, B., Marconato, N., Marini, C., Marinucci, M., Markovic, T., Marocco, D., Marrelli, L., Martin, Y., Martin Solis, J. R., Martitsch, A., Mastrostefano, S., Mattei, M., Matthews, G., Mavridis, M., Mayoral, M. L., Mazon, D., McCarthy, P., McAdams, R., McArdle, G., McClements, K., McDermott, R., McMillan, B., Meisl, G., Merle, A., Meyer, O., Milanesio, D., Militello, F., Miron, I. G., Mitosinkova, K., Mlynar, J., Mlynek, A., Molina, D., Molina, P., Monakhov, I., Morales, J., Moreau, D., Morel, P., Moret, J. M., Moro, A., Moulton, D., Müller, H. W., Nabais, F., Nardon, E., Naulin, V., Nemes-Czopf, A., Nespoli, F., Neu, R., Nielsen, A. H., Nielsen, S. K., Nikolaeva, V., Nimb, S., Nocente, M., Nouailletas, R., Nowak, S., Oberkofler, M., Oberparleiter, M., Ochoukov, R., Odstrčil, T., Olsen, J., Omotani, J., O'Mullane, M. G., Orain, F., Osterman, N., Paccagnella, R., Pamela, S., Pangione, L., Panjan, M., Papp, G., Papřok, R., Parail, V., Parra, F. I., Pau, A., Pautasso, G., Pehkonen, S. P., Pereira, A., Perelli Cippo, E., Pericoli Ridolfini, V., Peterka, M., Petersson, P., Petrzilka, V., Piovesan, P., Piron, C., Pironti, A., Pisano, F., Pisokas, T., Pitts, R., Ploumistakis, I., Plyusnin, V., Pokol, G., Poljak, D., Pölöskei, P., Popovic, Z., Pór, G., Porte, L., Potzel, S., Predebon, I., Preynas, M., Primc, G., Pucella, G., Puiatti, M. E., Pütterich, T., Rack, M., Ramogida, G., Rapson, C., Rasmussen, J. Juul, Rasmussen, J., Rattá, G. A., Ratynskaia, S., Ravera, G., Réfy, D., Reich, M., Reimerdes, H., Reimold, F., Reinke, M., Reiser, D., Resnik, M., Reux, C., Ripamonti, D., Rittich, D., Riva, G., Rodriguez-Ramos, M., Rohde, V., Rosato, J., Ryter, F., Saarelma, S., Sabot, R., Saint-Laurent, F., Salewski, M., Salmi, A., Samaddar, D., Sanchis-Sanchez, L., Santos, J., Sauter, O., Scannell, R., Scheffer, M., Schneider, M., Schneider, B., Schneider, P., Schneller, M., Schrittwieser, R., Schubert, M., Schweinzer, J., Seidl, J., Sertoli, M., Šesnić, S., Shabbir, A., Shalpegin, A., Shanahan, B., Sharapov, S., Sheikh, U., Sias, G., Sieglin, B., Silva, C., Silva, A., Silva Fuglister, M., Simpson, J., Snicker, A., Sommariva, C., Sozzi, C., Spagnolo, S., Spizzo, G., Spolaore, M., Stange, T., Stejner Pedersen, M., Stepanov, I., Stober, J., Strand, P., Šušnjara, A., Suttrop, W., Szepesi, T., Tál, B., Tala, T., Tamain, P., Tardini, G., Tardocchi, M., Teplukhina, A., Terranova, D., Testa, D., Theiler, C., Thornton, A., Tolias, P., Tophj, L., Treutterer, W., Trevisan, G. L., Tripsky, M., Tsironis, C., Tsui, C., Tudisco, O., Uccello, A., Urban, J., Valisa, M., Vallejos, P., Valovic, M., Van Den Brand, H., Vanovac, B., Varoutis, S., Vartanian, S., Vega, J., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vicente, J., Viezzer, E., Vignitchouk, L., Vijvers, W.A.J., Villone, F., Viola, B., Vlahos, L., Voitsekhovitch, I., Vondráček, P., Vu, N. M.T., Wagner, D., Walkden, N., Wang, N., Wauters, T., Weiland, M., Weinzettl, V., Westerhof, E., Wiesenberger, M., Willensdorfer, M., Wischmeier, M., Wodniak, I., Wolfrum, E., Yadykin, D., Zagórski, R., Zammuto, I., Zanca, P., Zaplotnik, R., Zestanakis, P., Zhang, W., Zoletnik, S., Zuin, M., Meyer, H., Eich, T., Beurskens, M.N.A., Coda, S., Hakola, A., Martin, P., Adamek, J., Agostini, M., Aguiam, D., Ahn, J., Aho-Mantila, L., Akers, R., Albanese, R., Aledda, R., Alessi, E., Allan, S., Alves, D., Ambrosino, R., Amicucci, L., Anand, H., Anastassiou, G., Andrèbe, Y., Angioni, C., Apruzzese, G., Ariola, M., Arnichand, H., Arter, W., Baciero, A., Barnes, M., Barrera, L., Behn, R., Bencze, A., Bernardo, J., Bernert, M., Bettini, P., Bilková, P., Bin, W., Birkenmeier, G., Bizarro, J. P.S., Blanchard, P., Blanken, T., Bluteau, M., Bobkov, V., Bogar, O., Böhm, P., Bolzonella, T., Boncagni, L., Botrugno, A., Bottereau, C., Bouquey, F., Bourdelle, C., Brémond, S., Brezinsek, S., Brida, D., Brochard, F., Buchanan, J., Bufferand, H., Buratti, P., Cahyna, P., Calabrò, G., Camenen, Y., Caniello, R., Cannas, B., Canton, A., Cardinali, A., Carnevale, D., Carr, M., Carralero, D., Carvalho, P., Casali, L., Castaldo, C., Castejón, F., Castro, R., Causa, F., Cavazzana, R., Cavedon, M., Cecconello, M., Ceccuzzi, S., Cesario, R., Challis, C.D., Chapman, I.T., Chapman, S., Chernyshova, M., Choi, D., Cianfarani, C., Ciraolo, G., Citrin, J., Clairet, F., Classen, I., Coelho, R., Coenen, J. W., Colas, L., Conway, G., Corre, Y., Costea, S., Crisanti, F., Cruz, N., Cseh, G., Czarnecka, A., D'Arcangelo, O., De Angeli, M., De Masi, G., De Temmerman, G., De Tommasi, G., Decker, J., Delogu, R. S., Dendy, R., Denner, P., Di Troia, C., Dimitrova, M., D'Inca, R., Dorić, V., Douai, D., Drenik, A., Dudson, B., Dunai, D., Dunne, M., Duval, B. P., Easy, L., Elmore, S., Erdös, B., Esposito, B., Fable, E., Faitsch, M., Fanni, A., Fedorczak, N., Felici, F., Ferreira, J., Février, O., Ficker, O., Fietz, S., Figini, L., Figueiredo, A., Fil, A., Fishpool, G., Fitzgerald, M., Fontana, M., Ford, O., Frassinetti, L., Fridström, R., Frigione, D., Fuchert, G., Fuchs, C., Furno Palumbo, M., Futatani, S., Gabellieri, L., Gałazka, K., Galdon-Quiroga, J., Galeani, S., Gallart, D., Gallo, A., Galperti, C., Gao, Y., Garavaglia, S., Garcia, J., Garcia-Carrasco, A., Garcia-Lopez, J., Garcia-Munoz, M., Gardarein, J. L., Garzotti, L., Gaspar, J., Gauthier, E., Geelen, P., Geiger, B., Ghendrih, P., Ghezzi, F., Giacomelli, L., Giannone, L., Giovannozzi, E., Giroud, C., Gleason González, C., Gobbin, M., Goodman, T. P., Gorini, G., Gospodarczyk, M., Granucci, G., Gruber, M., Gude, A., Guimarais, L., Guirlet, R., Gunn, J., Hacek, P., Hacquin, S., Hall, S., Ham, C., Happel, T., Harrison, J., Harting, D., Hauer, V., Havlickova, E., Hellsten, T., Helou, W., Henderson, S., Hennequin, P., Heyn, M., Hnat, B., Hölzl, M., Hogeweij, D., Honoré, C., Hopf, C., Horáček, J., Hornung, G., Horváth, L., Huang, Z., Huber, A., Igitkhanov, J., Igochine, V., Imrisek, M., Innocente, P., Ionita-Schrittwieser, C., Isliker, H., Ivanova-Stanik, I., Jacobsen, A. S., Jacquet, P., Jakubowski, M., Jardin, A., Jaulmes, F., Jenko, F., Jensen, T., Jeppe Miki Busk, O., Jessen, M., Joffrin, E., Jones, O., Jonsson, T., Kallenbach, A., Kallinikos, N., Kálvin, S., Kappatou, A., Karhunen, J., Karpushov, A., Kasilov, S., Kasprowicz, G., Kendl, A., Kernbichler, W., Kim, D., Kirk, A., Kjer, S., Klimek, I., Kocsis, G., Kogut, D., Komm, M., Korsholm, S. B., Koslowski, H. R., Koubiti, M., Kovacic, J., Kovarik, K., Krawczyk, N., Krbec, J., Krieger, K., Krivska, A., Kube, R., Kudlacek, O., Kurki-Suonio, T., Labit, B., Laggner, F. M., Laguardia, L., Lahtinen, A., Lalousis, P., Lang, P., Lauber, P., Lazányi, N., Lazaros, A., Le, H.B., Lebschy, A., Leddy, J., Lefévre, L., Lehnen, M., Leipold, F., Lessig, A., Leyland, M., Li, L., Liang, Y., Lipschultz, B., Liu, Y.Q., Loarer, T., Loarte, A., Loewenhoff, T., Lomanowski, B., Loschiavo, V. P., Lunt, T., Lupelli, I., Lux, H., Lyssoivan, A., Madsen, J., Maget, P., Maggi, C., Maggiora, R., Magnussen, M. L., Mailloux, J., Maljaars, B., Malygin, A., Mantica, P., Mantsinen, M., Maraschek, M., Marchand, B., Marconato, N., Marini, C., Marinucci, M., Markovic, T., Marocco, D., Marrelli, L., Martin, Y., Martin Solis, J. R., Martitsch, A., Mastrostefano, S., Mattei, M., Matthews, G., Mavridis, M., Mayoral, M. L., Mazon, D., McCarthy, P., McAdams, R., McArdle, G., McClements, K., McDermott, R., McMillan, B., Meisl, G., Merle, A., Meyer, O., Milanesio, D., Militello, F., Miron, I. G., Mitosinkova, K., Mlynar, J., Mlynek, A., Molina, D., Molina, P., Monakhov, I., Morales, J., Moreau, D., Morel, P., Moret, J. M., Moro, A., Moulton, D., Müller, H. W., Nabais, F., Nardon, E., Naulin, V., Nemes-Czopf, A., Nespoli, F., Neu, R., Nielsen, A. H., Nielsen, S. K., Nikolaeva, V., Nimb, S., Nocente, M., Nouailletas, R., Nowak, S., Oberkofler, M., Oberparleiter, M., Ochoukov, R., Odstrčil, T., Olsen, J., Omotani, J., O'Mullane, M. G., Orain, F., Osterman, N., Paccagnella, R., Pamela, S., Pangione, L., Panjan, M., Papp, G., Papřok, R., Parail, V., Parra, F. I., Pau, A., Pautasso, G., Pehkonen, S. P., Pereira, A., Perelli Cippo, E., Pericoli Ridolfini, V., Peterka, M., Petersson, P., Petrzilka, V., Piovesan, P., Piron, C., Pironti, A., Pisano, F., Pisokas, T., Pitts, R., Ploumistakis, I., Plyusnin, V., Pokol, G., Poljak, D., Pölöskei, P., Popovic, Z., Pór, G., Porte, L., Potzel, S., Predebon, I., Preynas, M., Primc, G., Pucella, G., Puiatti, M. E., Pütterich, T., Rack, M., Ramogida, G., Rapson, C., Rasmussen, J. Juul, Rasmussen, J., Rattá, G. A., Ratynskaia, S., Ravera, G., Réfy, D., Reich, M., Reimerdes, H., Reimold, F., Reinke, M., Reiser, D., Resnik, M., Reux, C., Ripamonti, D., Rittich, D., Riva, G., Rodriguez-Ramos, M., Rohde, V., Rosato, J., Ryter, F., Saarelma, S., Sabot, R., Saint-Laurent, F., Salewski, M., Salmi, A., Samaddar, D., Sanchis-Sanchez, L., Santos, J., Sauter, O., Scannell, R., Scheffer, M., Schneider, M., Schneider, B., Schneider, P., Schneller, M., Schrittwieser, R., Schubert, M., Schweinzer, J., Seidl, J., Sertoli, M., Šesnić, S., Shabbir, A., Shalpegin, A., Shanahan, B., Sharapov, S., Sheikh, U., Sias, G., Sieglin, B., Silva, C., Silva, A., Silva Fuglister, M., Simpson, J., Snicker, A., Sommariva, C., Sozzi, C., Spagnolo, S., Spizzo, G., Spolaore, M., Stange, T., Stejner Pedersen, M., Stepanov, I., Stober, J., Strand, P., Šušnjara, A., Suttrop, W., Szepesi, T., Tál, B., Tala, T., Tamain, P., Tardini, G., Tardocchi, M., Teplukhina, A., Terranova, D., Testa, D., Theiler, C., Thornton, A., Tolias, P., Tophj, L., Treutterer, W., Trevisan, G. L., Tripsky, M., Tsironis, C., Tsui, C., Tudisco, O., Uccello, A., Urban, J., Valisa, M., Vallejos, P., Valovic, M., Van Den Brand, H., Vanovac, B., Varoutis, S., Vartanian, S., Vega, J., Verdoolaege, G., Verhaegh, K., Vermare, L., Vianello, N., Vicente, J., Viezzer, E., Vignitchouk, L., Vijvers, W.A.J., Villone, F., Viola, B., Vlahos, L., Voitsekhovitch, I., Vondráček, P., Vu, N. M.T., Wagner, D., Walkden, N., Wang, N., Wauters, T., Weiland, M., Weinzettl, V., Westerhof, E., Wiesenberger, M., Willensdorfer, M., Wischmeier, M., Wodniak, I., Wolfrum, E., Yadykin, D., Zagórski, R., Zammuto, I., Zanca, P., Zaplotnik, R., Zestanakis, P., Zhang, W., Zoletnik, S., and Zuin, M.
Abstract: Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) coordinates research on ASDEX Upgrade (AUG), MAST and TCV. This multi-machine approach within EU-MST, covering a wide parameter range, is instrumental to progress in the field, as ITER and DEMO core/pedestal and SOL parameters are not achievable simultaneously in present day devices. A two prong approach is adopted. On the one hand, scenarios with tolerable transient heat and particle loads, including active edge localised mode (ELM) control are developed. On the other hand, divertor solutions including advanced magnetic configurations are studied. Considerable progress has been made on both approaches, in particular in the fields of: ELM control with resonant magnetic perturbations (RMP), small ELM regimes, detachment onset and control, as well as filamentary scrape-off-layer transport. For example full ELM suppression has now been achieved on AUG at low collisionality with n = 2 RMP maintaining good confinement . Advances have been made with respect to detachment onset and control. Studies in advanced divertor configurations (Snowflake, Super-X and X-point target divertor) shed new light on SOL physics. Cross field filamentary transport has been characterised in a wide parameter regime on AUG, MAST and TCV progressing the theoretical and experimental understanding crucial for predicting first wall loads in ITER and DEMO. Conditions in the SOL also play a crucial role for ELM stability and access to small ELM regimes.
Published: 2017

28. High-definition velocity-space tomography of fast-ion dynamics

Author: Salewski, Mirko, Geiger, B., Jacobsen, A.S., Hansen, Per Christian, Heidbrink, W.W., Korsholm, Søren Bang, Leipold, Frank, Madsen, Jens, Moseev, Dmitry, Nielsen, Stefan Kragh, Nocente, M., Odstrčil, T., Rasmussen, Jesper, Stagner, L., Pedersen, Morten Stejner, Weiland, M., Salewski, Mirko, Geiger, B., Jacobsen, A.S., Hansen, Per Christian, Heidbrink, W.W., Korsholm, Søren Bang, Leipold, Frank, Madsen, Jens, Moseev, Dmitry, Nielsen, Stefan Kragh, Nocente, M., Odstrčil, T., Rasmussen, Jesper, Stagner, L., Pedersen, Morten Stejner, and Weiland, M.
Published: 2016

29. Third harmonic ICRF heating of deuterium beam ions on ASDEX upgrade

Author: Mantsinen, M. J., Bobkov, Vl., Gallart, D., Geiger, B., Johnson, Thomas, Meyer, H., Nocente, M., Ochoukov, R., Odstrčil, T., Perelli, E., Rasmussen, J., Schneider, P. A., Sharapov, S., Tardini, G., Tardocchi, M., Vallejós, Pablo, Mantsinen, M. J., Bobkov, Vl., Gallart, D., Geiger, B., Johnson, Thomas, Meyer, H., Nocente, M., Ochoukov, R., Odstrčil, T., Perelli, E., Rasmussen, J., Schneider, P. A., Sharapov, S., Tardini, G., Tardocchi, M., and Vallejós, Pablo
Abstract: QC 20170629
Published: 2016

30. Numerical and experimental study of the redistribution of energetic and impurity ions by sawteeth in ASDEX Upgrade

Author: Jaulmes, F., Geiger, B., Odstrčil, T., Weiland, M., Salewski, M., Jacobsen, A. S., Rasmussen, J., Stejner, M., Nielsen, S. K., Westerhof, E., Jaulmes, F., Geiger, B., Odstrčil, T., Weiland, M., Salewski, M., Jacobsen, A. S., Rasmussen, J., Stejner, M., Nielsen, S. K., and Westerhof, E.
Abstract: In the non-linear phase of a sawtooth, the complete reconnection of field lines around the q = 1 flux surface often occurs resulting in a radial displacement of the plasma core. A complete time-dependent electromagnetic model of this type of reconnection has been developed and implemented in the EBdyna-go code. This contribution aims at studying the behaviour of ions, both impurity and fast particles, in the pattern of reconnecting field lines during sawtoothing plasma experiments in the ASDEX Upgrade tokamak by using the newly developed numerical framework. Simulations of full reconnection with tungsten impurity that include the centrifugal force are achieved and recover the soft x-ray measurements. Based on this full-reconnection description of the sawtooth, a simple tool dedicated to estimate the duration of the reconnection is introduced. This work then studies the redistribution of fast ions during several experimentally observed sawteeth. In some cases of sawteeth at ASDEX Upgrade, full reconnection is not always observed or expected so the code gives an upper estimate of the actual experimental redistribution. The results of detailed simulations of the crashes are compared with measurements from various diagnostics such as collective Thomson scattering and fast-ion D-alpha (FIDA) spectroscopy, including FIDA tomography. A convincing qualitative agreement is found in different parts of velocity space.
Published: 2016

31. Numerical and experimental study of the redistribution of energetic and impurity ions by sawteeth in ASDEX Upgrade

Author: Jaulmes, F., primary, Geiger, B., additional, Odstrčil, T., additional, Weiland, M., additional, Salewski, M., additional, Jacobsen, A.S., additional, Rasmussen, J., additional, Stejner, M., additional, Nielsen, S.K., additional, and Westerhof, E., additional
Published: 2016
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32. Real-time diamagnetic flux measurements on ASDEX Upgrade

Author: Giannone, L., primary, Geiger, B., additional, Bilato, R., additional, Maraschek, M., additional, Odstrčil, T., additional, Fischer, R., additional, Fuchs, J. C., additional, McCarthy, P. J., additional, Mertens, V., additional, and Schuhbeck, K. H., additional
Published: 2016
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33. Investigation of 3D tungsten distributions in (1,1) kink modes induced by toroidal plasma rotation

Author: Weiland, M, primary, Gude, A, additional, Igochine, V, additional, Maraschek, M, additional, Zohm, H, additional, Bohle, R, additional, Dux, R, additional, Lackner, K, additional, Odstrčil, T, additional, and Pütterich, T, additional
Published: 2015
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34. Bulk Ion Heating with ICRF Waves in Tokamaks.

Author: Mantsinen, M. J., Bilato, R., Bobkov, V. V., Kappatou, A., McDermott, R. M., Nocente, M., Odstrčil, T., Tardini, G., Bernert, M., Dux, R., Hellsten, T., Mantica, P., Maraschek, M., Nielsen, S. K., Noterdaeme, J -M., Rasmussen, J., Ryter, F., Stejner, M., Stober, J., and Tardocchi, M.
Subjects: THEORY of wave motion, TOKAMAKS, PLASMA gases, PLASMA flow
Abstract: Heating with ICRF waves is a well-established method on present-day tokamaks and one of the heating systems foreseen for ITER. However, further work is still needed to test and optimize its performance in fusion devices with metallic high-Z plasma facing components (PFCs) in preparation of ITER and DEMO operation. This is of particular importance for the bulk ion heating capabilities of ICRF waves. Efficient bulk ion heating with the standard ITER ICRF scheme, i.e. the second harmonic heating of tritium with or without ³He minority, was demonstrated in experiments carried out in deuterium-tritium plasmas on JET and TFTR and is confirmed by ICRF modelling. This paper focuses on recent experiments with ³He minority heating for bulk ion heating on the ASDEX Upgrade (AUG) tokamak with ITER-relevant all-tungsten PFCs. An increase of 80% in the central ion temperature Ti from 3 to 5.5 keV was achieved when 3 MW of ICRF power tuned to the central 3He ion cyclotron resonance was added to 4.5 MW of deuterium NBI. The radial gradient of the Ti profile reached locally values up to about 50 keV/m and the normalized logarithmic ion temperature gradients R/LTi of about 20, which are unusually large for AUG plasmas. The large changes in the Ti profiles were accompanied by significant changes in measured plasma toroidal rotation, plasma impurity profiles and MHD activity, which indicate concomitant changes in plasma properties with the application of ICRF waves. When the ³He concentration was increased above the optimum range for bulk ion heating, a weaker peaking of the ion temperature profile was observed, in line with theoretical expectations. [ABSTRACT FROM AUTHOR]
Published: 2015
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35. Optimized tomography methods for plasma emissivity reconstruction at the ASDEX Upgrade tokamak.

Author: Odstrčil, T., Pütterich, T., Odstrčil, M., Gude, A., Igochine, V., and Stroth, U.
Subjects: *TOKAMAKS, *IMAGE reconstruction, *TOMOGRAPHY, *SOFT X rays, *HIGH temperature plasmas, *PINHOLE cameras, *TIKHONOV regularization
Abstract: The soft X-ray (SXR) emission provides valuable insight into processes happening inside of hightemperature plasmas. A standard method for deriving the local emissivity profiles of the plasma from the line-of-sight integrals measured by pinhole cameras is the tomographic inversion. Such an inversion is challenging due to its ill-conditioned nature and because the reconstructed profiles depend not only on the quality of the measurements but also on the inversion algorithm used. This paper provides a detailed description of several tomography algorithms, which solve the inversion problem of Tikhonov regularization with linear computational complexity in the number of basis functions. The feasibility of combining these methods with the minimum Fisher information regularization is demonstrated, and various statistical methods for the optimal choice of the regularization parameter are investigated with emphasis on their reliability and robustness. Finally, the accuracy and the capability of the methods are demonstrated by reconstructions of experimental SXR profiles, featuring poloidal asymmetric impurity distributions as measured at the ASDEX Upgrade tokamak. [ABSTRACT FROM AUTHOR]
Published: 2016
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36. High-definition velocity-space tomography of fast-ion dynamics

Author: Søren Bang Korsholm, Morten Stejner, Stefan Kragh Nielsen, A. S. Jacobsen, William Heidbrink, Mirko Salewski, Massimo Nocente, Dmitry Moseev, Per Christian Hansen, Frank Leipold, Luke Stagner, Jens Madsen, M. Weiland, T. Odstrcil, J. Juul Rasmussen, Benedikt Geiger, ASDEX Upgrade Team, Max Planck Institute for Plasma Physics, Max Planck Society, Salewski, M, Geiger, B, Jacobsen, A, Hansen, P, Heidbrink, W, Korsholm, S, Leipold, F, Madsen, J, Moseev, D, Nielsen, S, Nocente, M, Odstrčil, T, Rasmussen, J, Stagner, L, Stejner, M, and Weiland, M
Subjects: Nuclear and High Energy Physics, Tokamak, tomography, Neutral beam injection, 01 natural sciences, 010305 fluids & plasmas, Ion, law.invention, Fast-ion D-alpha spectroscopy, neutral beam injection, law, Physics::Plasma Physics, 0103 physical sciences, fast ion, Geiger counter, 010306 general physics, Spectroscopy, tokamak, Tomography, Nuclear and High Energy Physic, Physics, Fast ions, Plasma, Condensed Matter Physics, fast-ion D-alpha spectroscopy, Distribution function, Sawteeth, Atomic physics, Tokamaks, sawteeth
Abstract: Author(s): Salewski, M; Geiger, B; Jacobsen, AS; Hansen, PC; Heidbrink, WW; Korsholm, SB; Leipold, F; Madsen, J; Moseev, D; Nielsen, SK; Nocente, M; Odstrcil, T; Rasmussen, J; Stagner, L; Stejner, M; Weiland, M | Abstract: Velocity-space tomography of the fast-ion distribution function in a fusion plasma is usually a photon-starved tomography method due to limited optical access and signal-to-noise ratio of fast-ion Dα (FIDA) spectroscopy as well as the strive for high-resolution images. In high-definition tomography, prior information makes up for this lack of data. We restrict the target velocity space through the measured absence of FIDA light, impose phase-space densities to be non-negative, and encode the known geometry of neutral beam injection (NBI) sources. We further use a numerical simulation as prior information to reconstruct where in velocity space the measurements and the simulation disagree. This alternative approach is demonstrated for four-view as well as for two-view FIDA measurements. The high-definition tomography tools allow us to study fast ions in sawtoothing plasmas and the formation of NBI peaks at full, half and one-third energy by time-resolved tomographic movies.
Published: 2016
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