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arxiv: 2606.26513 · v1 · pith:JREYS5A2new · submitted 2026-06-25 · ⚛️ physics.plasm-ph

The Negative Triangularity Tokamak Path for Fusion Pilot Plants: Experimental Progress and Future Prospects

K. E. Thome , M. E. Austin , S. Coda , A. Marinoni , A. Hyatt , A. O. Nelson , T. Odstr\v{c}il , C. A. Paz-Soldan
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O. Sauter F. Scotti B. Vanovac
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Pith reviewed 2026-06-26 02:54 UTC · model grok-4.3

classification ⚛️ physics.plasm-ph
keywords negative triangularitytokamakELM-free operationfusion pilot plantplasma exhaustH-mode confinementdivertor detachmentreactor robustness
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The pith

Negative triangularity tokamaks achieve H-mode-level confinement without edge localized modes while improving exhaust handling.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper reviews experimental progress showing that negative triangularity tokamaks, with their reversed-D plasma cross-section, reach H-mode confinement levels while staying free of edge localized modes. This shape also provides a larger outboard divertor wetted area, supports detachment and high core radiation without an L-H power threshold, and keeps core impurity retention low. A sympathetic reader would care because these traits address the core tension in fusion design between high performance, manageable heat exhaust, and reliable operation. The review notes strong reproducibility across a wide operating space, including high Greenwald fractions and low edge safety factors. Outstanding questions remain on reactor-scale extrapolation and core-edge integration.

Core claim

Negative triangularity plasmas have achieved H-mode-level confinement while remaining robustly free of the deleterious edge localized mode instability. Regarding exhaust, negative triangularity offers a larger divertor wetted area on the outboard side and demonstrates compatibility with detachment and operation at high core radiation fraction without the constraints of the L-H power threshold, while also exhibiting low core impurity retention. Negative triangularity operates with high reproducibility over a wide operating space, demonstrated by robust discharge-to-discharge consistency, and has access to plasmas with very high Greenwald fractions and/or low edge safety factors compared to po

What carries the argument

The negative triangularity configuration, a reversed-D poloidal cross-section that alters edge stability and increases outboard divertor area.

If this is right

  • Negative triangularity enables reliable high-performance operation without dedicated edge localized mode control systems.
  • Larger outboard divertor area and detachment compatibility reduce peak heat loads on plasma-facing components.
  • Access to high Greenwald fractions and low edge safety factors expands the usable operating space beyond positive triangularity H-mode limits.
  • Absence of an L-H power threshold simplifies access to high confinement states and reduces power requirements for startup.
  • Low core impurity retention and high discharge reproducibility support steady, predictable reactor operation.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If the observed benefits persist at scale, reactor designs could avoid complex edge localized mode mitigation hardware and rely on simpler negative triangularity shapes.
  • Targeted experiments to find the optimal triangularity value would help maximize the configuration's advantages for pilot plants.
  • Core-edge integration tests in existing or planned larger devices would directly test whether detachment and radiation compatibility hold under reactor conditions.
  • Growing interest in negative triangularity reactor concepts could shift design priorities toward robustness over peak performance metrics.

Load-bearing premise

The performance, exhaust, and robustness advantages seen in current devices will continue to hold without degradation at the larger sizes, higher performance, and longer pulses required for a fusion pilot plant.

What would settle it

Observation of edge localized modes or confinement below H-mode levels in a larger negative triangularity device at reactor-relevant parameters and pulse lengths would challenge the extrapolation.

Figures

Figures reproduced from arXiv: 2606.26513 by A. Hyatt, A. Marinoni, A. O. Nelson, B. Vanovac, C. A. Paz-Soldan, F. Scotti, K. E. Thome, M. E. Austin, O. Sauter, S. Coda, T. Odstr\v{c}il.

Figure 1
Figure 1. Figure 1: FIG. 1. Tokamak schematic with toroidal field coils (gold), poloidal [PITH_FULL_IMAGE:figures/full_fig_p001_1.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Sustainable fusion reactor scenario triad of performance, [PITH_FULL_IMAGE:figures/full_fig_p002_3.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. Poloidal tokamak cross sections: (a) circular, (b) elongated, [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4. Reproduced from [PITH_FULL_IMAGE:figures/full_fig_p003_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: FIG. 5. Courtesy of M. Austin. Comparison of a DIII-D H-mode diverted plasma (left) with a L-mode limited plasma (right). The equilibrium [PITH_FULL_IMAGE:figures/full_fig_p004_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: FIG. 6. Reproduced from [PITH_FULL_IMAGE:figures/full_fig_p004_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: FIG. 7. Reproducibility of a very high-performance PT H-mode [PITH_FULL_IMAGE:figures/full_fig_p005_7.png] view at source ↗
Figure 8
Figure 8. Figure 8: FIG. 8. Courtesy of M. Austin. 3D renderings of tokamak poloidal [PITH_FULL_IMAGE:figures/full_fig_p006_8.png] view at source ↗
Figure 9
Figure 9. Figure 9: FIG. 9. Poloidal cross-sections of the world’s first experimental NT [PITH_FULL_IMAGE:figures/full_fig_p006_9.png] view at source ↗
Figure 11
Figure 11. Figure 11: FIG. 11. TEM stabilization in NT plasmas. (a) Density fluctuations [PITH_FULL_IMAGE:figures/full_fig_p007_11.png] view at source ↗
Figure 13
Figure 13. Figure 13: FIG. 13. Reproduced from [PITH_FULL_IMAGE:figures/full_fig_p008_13.png] view at source ↗
Figure 14
Figure 14. Figure 14: FIG. 14. Major worldwide NT experiments: JET, courtesy of O. Sauter, MAST-U, reproduced from [PITH_FULL_IMAGE:figures/full_fig_p009_14.png] view at source ↗
Figure 15
Figure 15. Figure 15: FIG. 15. Comparison of [PITH_FULL_IMAGE:figures/full_fig_p011_15.png] view at source ↗
Figure 17
Figure 17. Figure 17: FIG. 17. Comparison of DIII-D confinement data with predictions [PITH_FULL_IMAGE:figures/full_fig_p012_17.png] view at source ↗
Figure 19
Figure 19. Figure 19: FIG. 19 [PITH_FULL_IMAGE:figures/full_fig_p013_19.png] view at source ↗
Figure 18
Figure 18. Figure 18: FIG. 18. DIII-D NT ELM operating space through 2023. (a): The [PITH_FULL_IMAGE:figures/full_fig_p013_18.png] view at source ↗
Figure 21
Figure 21. Figure 21: FIG. 21. DIII-D radiative mantle operating space with [PITH_FULL_IMAGE:figures/full_fig_p014_21.png] view at source ↗
Figure 20
Figure 20. Figure 20: FIG. 20. Detachment in NT plasmas. Comparison of detachment in [PITH_FULL_IMAGE:figures/full_fig_p014_20.png] view at source ↗
Figure 22
Figure 22. Figure 22: FIG. 22. DIII-D studies of the impurity confinement time using [PITH_FULL_IMAGE:figures/full_fig_p015_22.png] view at source ↗
Figure 23
Figure 23. Figure 23: FIG. 23. DIII-D NT campaign operational space with [PITH_FULL_IMAGE:figures/full_fig_p015_23.png] view at source ↗
Figure 24
Figure 24. Figure 24: FIG. 24. Low [PITH_FULL_IMAGE:figures/full_fig_p016_24.png] view at source ↗
Figure 25
Figure 25. Figure 25: FIG. 25. Reproducibility of a moderate-beta NT DIII-D discharge [PITH_FULL_IMAGE:figures/full_fig_p016_25.png] view at source ↗
Figure 27
Figure 27. Figure 27: FIG. 27. Comparison of PT (left) and NT (right) plasmas, illustrating [PITH_FULL_IMAGE:figures/full_fig_p018_27.png] view at source ↗
Figure 26
Figure 26. Figure 26: FIG. 26. Proposed DIII-D NT upgrade with a closed pumped diver [PITH_FULL_IMAGE:figures/full_fig_p018_26.png] view at source ↗
Figure 28
Figure 28. Figure 28: FIG. 28. NT FPP designs of a large major radius (a), reproduced from [PITH_FULL_IMAGE:figures/full_fig_p019_28.png] view at source ↗
read the original abstract

This paper reviews the experimental progress of negative triangularity (NT), a tokamak configuration where the poloidal cross-section is a reversed-D shape compared to the conventional positive triangularity (PT) shape. NT is a promising reactor scenario that addresses the fundamental tension between performance, exhaust, and robustness. NT studies have accelerated globally across these three pillars over the past several years. While tokamak pilot plants are typically designed for the standard PT H-mode regime, this approach faces significant challenges in balancing high core performance with manageable heat and particle exhaust as well as reliable robustness. In contrast, NT plasmas have achieved H-mode-level confinement while remaining robustly free of the deleterious edge localized mode (ELM) instability. Regarding exhaust, NT offers a larger divertor wetted area on the outboard side and demonstrates compatibility with detachment and operation at high core radiation fraction without the constraints of the L-H power threshold, while also exhibiting low core impurity retention. NT operates with high reproducibility over a wide operating space, demonstrated by robust discharge-to-discharge consistency, and has access to plasmas with very high Greenwald fractions and/or low edge safety factors compared to PT H-mode plasmas. Further research is required to answer outstanding questions related to reactor confinement extrapolation, the optimal triangularity for a reactor, and core-edge integration. NT studies in existing and planned tokamaks are increasing, as is interest in possible reactor concepts. The unique physics and engineering advantages of NT offer a robust and simplified foundation for a viable fusion power plant.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The paper reviews experimental progress on negative triangularity (NT) tokamaks as a path for fusion pilot plants. It summarizes results from devices such as TCV and DIII-D claiming that NT achieves H-mode-level confinement while remaining ELM-free, offers larger outboard divertor wetted area, demonstrates compatibility with detachment and high core radiation fraction without L-H threshold constraints, exhibits low core impurity retention, operates with high reproducibility over wide parameter space including high Greenwald fractions and low edge safety factors, and contrasts these advantages with challenges in positive triangularity (PT) H-mode. The review notes increasing global interest and planned experiments while identifying open questions on reactor confinement extrapolation, optimal triangularity, and core-edge integration, concluding that NT offers a robust and simplified foundation for pilot plants.

Significance. If the reported NT advantages in confinement, exhaust, and robustness scale without degradation to pilot-plant parameters, the configuration could simplify reactor design by eliminating ELM control requirements and L-H threshold limitations. The review synthesizes progress across three pillars and highlights reproducibility and operating-space access, which may inform prioritization of NT experiments in upcoming devices. The significance is reduced by the absence of any scaling projections or modeling to test persistence of the benefits at higher beta, larger major radius, or longer pulses, as the abstract itself flags reactor extrapolation as unresolved.

major comments (2)
  1. [Abstract] Abstract: the central claim that NT 'offers a robust and simplified foundation for a viable fusion power plant' rests on extrapolation of current-device results (ELM-free H-mode confinement, detachment compatibility, low impurity retention) to reactor scales, yet the review supplies no scaling laws, multi-machine regressions, or modeling results to quantify whether these advantages survive increases in performance, size, or pulse length; this is load-bearing for the 'promising reactor scenario' framing.
  2. [Abstract] Abstract: the statement that NT 'demonstrates compatibility with detachment and operation at high core radiation fraction' and 'exhibiting low core impurity retention' is presented without quantitative metrics, error bars, or direct comparison to PT baselines, preventing assessment of the magnitude and robustness of the claimed exhaust and impurity advantages.
minor comments (2)
  1. [Abstract] The abstract would be strengthened by inclusion of at least one or two specific quantitative results (e.g., confinement enhancement factors, radiation fractions, or Greenwald fraction values) from the cited experiments to ground the qualitative claims.
  2. Notation for triangularity (positive vs. negative) and related parameters such as Greenwald fraction should be defined on first use for readers outside the immediate tokamak community.

Simulated Author's Rebuttal

2 responses · 1 unresolved

We thank the referee for the constructive feedback on our review of negative triangularity tokamak progress. We address the two major comments on the abstract below, with revisions where appropriate. The manuscript is a synthesis of experimental results rather than a modeling study.

read point-by-point responses

  1. Referee: [Abstract] Abstract: the central claim that NT 'offers a robust and simplified foundation for a viable fusion power plant' rests on extrapolation of current-device results (ELM-free H-mode confinement, detachment compatibility, low impurity retention) to reactor scales, yet the review supplies no scaling laws, multi-machine regressions, or modeling results to quantify whether these advantages survive increases in performance, size, or pulse length; this is load-bearing for the 'promising reactor scenario' framing.

    Authors: We agree that the review does not supply scaling laws, regressions, or modeling results, as its scope is limited to summarizing experimental progress from current devices. The abstract's phrasing reflects the observed experimental advantages while the body text explicitly flags reactor confinement extrapolation as an unresolved question. We will revise the abstract to qualify the reactor prospects more cautiously, removing the load-bearing claim of a 'viable fusion power plant' foundation and emphasizing the prospective nature of the advantages. revision: yes

  2. Referee: [Abstract] Abstract: the statement that NT 'demonstrates compatibility with detachment and operation at high core radiation fraction' and 'exhibiting low core impurity retention' is presented without quantitative metrics, error bars, or direct comparison to PT baselines, preventing assessment of the magnitude and robustness of the claimed exhaust and impurity advantages.

    Authors: The abstract is a concise overview; detailed quantitative metrics, error bars where available, and PT comparisons are provided in the main text sections on exhaust and impurities. To address the concern, we will incorporate a small number of key quantitative indicators into the abstract for improved standalone clarity. revision: partial

standing simulated objections not resolved
  • The referee notes the absence of scaling projections or modeling to test persistence of benefits at higher beta, larger major radius, or longer pulses; this review of experimental progress does not include such analyses and cannot supply them.

Circularity Check

0 steps flagged

No circularity: descriptive review with no derivations or fitted predictions

full rationale

This is a review paper summarizing experimental observations on negative triangularity plasmas across multiple devices. It contains no equations, derivations, parameter fits, or quantitative predictions that could reduce to inputs by construction. Claims rest on cited experimental results from TCV, DIII-D and other facilities rather than self-referential logic. The text explicitly flags reactor extrapolation as an open question without supplying scaling models or self-justifying assumptions. No load-bearing self-citations or ansatzes are invoked to support a central derivation.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

This is a review paper; the abstract introduces no new models, free parameters, axioms, or postulated entities.

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Reference graph

Works this paper leans on

132 extracted references · 88 canonical work pages · 1 internal anchor

  1. [1]

    Austin, M. E. and others , journal =. 2019 , title =. doi:10.1103/PhysRevLett.122.115001 , url =

    work page doi:10.1103/physrevlett.122.115001 2019

  2. [2]

    and Mills, R

    File, J. and Mills, R. G. and Sheffield, G. V. , journal=. Large Superconducting Magnet Designs for Fusion Reactors , year=

  3. [3]

    Atomic Energy Research Establishment , year=

    Some criteria for a useful thermonuclear reactor , author=. Atomic Energy Research Establishment , year=

  4. [4]

    and Spong, D.A

    Ghai, Y. and Spong, D.A. and Varela, J. and Garcia, L. and Van Zeeland, M.A. and Austin, M.E. , title =. Nuclear Fusion , abstract =. 2021 , month =. doi:10.1088/1741-4326/ac2bc0 , url =

    work page doi:10.1088/1741-4326/ac2bc0 2021

  5. [5]

    Development of advanced numerical Tools for fusion reactor Diagnostics and nonlinear modeling of Plasma Dynamics , school =

    Oyola Dom. Development of advanced numerical Tools for fusion reactor Diagnostics and nonlinear modeling of Plasma Dynamics , school =. 2024 , type =

    2024

  6. [6]

    and Angelino, P

    Pochelon, A. and Angelino, P. and Behn, R. and Brunner, S. and Coda, S. and others , title =. Plasma and Fusion Research , volume =. 2012 , doi =

    2012

  7. [7]

    and Hsu, Scott C

    Wurzel, Samuel E. and Hsu, Scott C. , title =. Physics of Plasmas , volume =. 2025 , doi =

    2025

  8. [8]

    and Jansen Van Vuuren, A

    Poley-Sanjuán, J. and Jansen Van Vuuren, A. and Podestà, M. and Fasoli, A. and Karpushov, A.N. and Duval, B.P. and the. Fast ion confinement in negative triangularity plasmas on the. Nuclear Fusion , abstract =. 2026 , month =. doi:10.1088/1741-4326/ae4e45 , url =

    work page doi:10.1088/1741-4326/ae4e45 2026

  9. [9]

    Characterization of the

    Nelson, A O and Schmitz, L and Cote, T and Parisi, J F and Stewart, S and Paz-Soldan, C and Thome, K E and Austin, M E and Scotti, F and Barr, J L and Hyatt, A and Leuthold, N and Marinoni, A and Neiser, T and Osborne, T and Richner, N and Welander, A S and Wehner, W P and Wilcox, R and Wilks, T M and Yang, J and the. Characterization of the. Plasma Physi...

    work page doi:10.1088/1361-6587/ad6a83 2024

  10. [10]

    Leonard, A. W. , title =. Physics of Plasmas , volume =. 2014 , month =. doi:10.1063/1.4894742 , url =

    work page doi:10.1063/1.4894742 2014

  11. [11]

    Lore, J. D. and Scotti, F. and Marinoni, A. and Thome, K. E. and Lasnier, C. and Shafer, M. and Truong, D. and Wang, H. Q. , title =

  12. [12]

    Physics of Plasmas , volume =

    Zhao, Menglong and Scotti, Filippo and Rognlien, Thomas and Rensink, Marvin and Marinoni, Alessandro and Truong, Dinh and Wang, Huiqian and Thome, Kathreen and Paz-Soldan, Carlos , title =. Physics of Plasmas , volume =. 2026 , month =. doi:10.1063/5.0319347 , url =

    work page doi:10.1063/5.0319347 2026

  13. [13]

    Comparison of detachment in

    Février, O and Tsui, C K and Durr-Legoupil-Nicoud, G and Theiler, C and Carpita, M and Coda, S and Colandrea, C and Duval, B P and Gorno, S and Huett, E and Linehan, B and Perek, A and Porte, L and Reimerdes, H and Sauter, O and Tonello, E and Zurita, M and Bolzonella, T and Sciortino, F and the. Comparison of detachment in. Plasma Physics and Controlled ...

    work page doi:10.1088/1361-6587/ad3c1c 2024

  14. [14]

    M. R. Wade and J. A. Leuer , title =. Fusion Science and Technology , volume =. 2021 , publisher =. doi:10.1080/15361055.2020.1858670 , url =

    work page doi:10.1080/15361055.2020.1858670 2021

  15. [15]

    and others , journal =

    Marinoni, A. and others , journal =. 2019 , doi =

    2019

  16. [16]

    Gohil and T.E

    P. Gohil and T.E. Evans and M.E. Fenstermacher and J.R. Ferron and T.H. Osborne and J.M. Park and O. Schmitz and J.T. Scoville and E.A. Unterberg , title =. 2011 , month =. doi:10.1088/0029-5515/51/10/103020 , url =

    work page doi:10.1088/0029-5515/51/10/103020 2011

  17. [17]

    and Sauter, O

    Marinoni, A. and Sauter, O. and Coda, S. , journal =. A brief history of negative triangularity tokamak plasmas , volume =. 2021 , doi =

    2021

  18. [18]

    Marinoni and others , journal =

    A. Marinoni and others , journal =. Diverted negative triangularity plasmas on. 2021 , volume =. doi:10.1088/1741-4326/ac1f60 , url =

    work page doi:10.1088/1741-4326/ac1f60 2021

  19. [20]

    Coda and others , title =

    S. Coda and others , title =. 2019 , publisher =. doi:10.1088/1741-4326/ab25cb , url =

    work page doi:10.1088/1741-4326/ab25cb 2019

  20. [21]

    Camenen and A

    Y. Camenen and A. Pochelon and R. Behn and A. Bottino and A. Bortolon and S. Coda and A. Karpushov and O. Sauter and G. Zhuang and the. Impact of plasma triangularity and collisionality on electron heat transport in. 2007 , volume =. doi:10.1088/0029-5515/47/7/002 , url =

    work page doi:10.1088/0029-5515/47/7/002 2007

  21. [22]

    2021 , title=

    S Coda and others , journal =. 2021 , title=. doi:10.1088/1361-6587/ac3fec , url =

    work page doi:10.1088/1361-6587/ac3fec 2021

  22. [23]

    Happel and T

    T. Happel and T. Pütterich and D. Told and M. Dunne and R. Fischer and J. Hobirk and R.M. McDermott and U. Plank and. Overview of initial negative triangularity plasma studies on the. 2022 , volume =. doi:10.1088/1741-4326/ac8563 , url =

    work page doi:10.1088/1741-4326/ac8563 2022

  23. [24]

    Van Zeeland and others , journal =

    M.A. Van Zeeland and others , journal =. 2019 , title=. doi:10.1088/1741-4326/ab2488 , url =

    work page doi:10.1088/1741-4326/ab2488 2019

  24. [25]

    Ballooning instability preventing the

    S Saarelma and M E Austin and M Knolker and A Marinoni and C Paz-Soldan and L Schmitz and P B Snyder , journal =. Ballooning instability preventing the. 2021 , volume =. doi:10.1088/1361-6587/ac1ea4 , url =

    work page doi:10.1088/1361-6587/ac1ea4 2021

  25. [26]

    Nelson and C

    A.O. Nelson and C. Paz-Soldan and S. Saarelma , title =. 2022 , volume =. doi:10.1088/1741-4326/ac8064 , url =

    work page doi:10.1088/1741-4326/ac8064 2022

  26. [27]

    Investigation of core impurity transport in

    F Sciortino and N T Howard and T Odstrčil and M Austin and I Bykov and C Chrystal and S R Haskey and J D Lore and A Marinoni and E S Marmar and O Meneghini and C Paz-Soldan and P Rodriguez-Fernandez and S P Smith and K E Thome , journal =. Investigation of core impurity transport in. 2022 , volume =. doi:10.1088/1361-6587/ac94f6 , url =

    work page doi:10.1088/1361-6587/ac94f6 2022

  27. [28]

    Kikuchi and T

    M. Kikuchi and T. Takizuka and S. Medvedev and T. Ando and D. Chen and J.X. Li and M. Austin and O. Sauter and L. Villard and A. Merle and M. Fontana and Y. Kishimoto and K. Imadera , journal =. L-mode-edge negative triangularity tokamak reactor , year =. doi:10.1088/1741-4326/ab076d , url =

    work page doi:10.1088/1741-4326/ab076d

  28. [29]

    and others , title =

    Wagner, F. and others , title =. Phys. Rev. Lett. , volume =. 1982 , doi =

    1982

  29. [30]

    , title =

    Wagner, F. , title =. Plasma Physics and Controlled Fusion , volume =

  30. [31]

    Medvedev and M

    S.Yu. Medvedev and M. Kikuchi and L. Villard and T. Takizuka and P. Diamond and H. Zushi and K. Nagasaki and X. Duan and Y. Wu and A.A. Ivanov and A.A. Martynov and Yu.Yu. Poshekhonov and A. Fasoli and O. Sauter , title =. 2015 , publisher =. doi:10.1088/0029-5515/55/6/063013 , url =

    work page doi:10.1088/0029-5515/55/6/063013 2015

  31. [32]

    doi:10.1088/0029-5515/39/12/302 , url =

    Chapter 2: Plasma confinement and transport , year =. doi:10.1088/0029-5515/39/12/302 , url =

    work page doi:10.1088/0029-5515/39/12/302

  32. [33]

    Confinement physics of

    Burrell, KH and Allen, SL and Bramson, G and Brooks, NH and Callis, RW and Carlstrom, TN and Chu, MS and Colleraine, AP and Content, D and DeBoo, JC and others , journal=. Confinement physics of

  33. [34]

    and Campbell, D.J

    Shimada, M. and Campbell, D.J. and Mukhovatov, V. and Fujiwara, M. and Kirneva, N. and Lackner, K. and Nagami, M. and Pustovitov, V.D. and Uckan, N. and Wesley, J. and Asakura, N. and Costley, A.E. and Donné, A.J.H. and Doyle, E.J. and Fasoli, A. and Gormezano, C. and Gribov, Y. and Gruber, O. and Hender, T.C. and Houlberg, W. and Ide, S. and Kamada, Y. a...

    work page doi:10.1088/0029-5515/47/6/s01 2007

  34. [35]

    2017 , doi =

    ELM divertor peak energy fluence scaling to ITER with data from JET, MAST and ASDEX upgrade , journal =. 2017 , doi =

    2017

  35. [36]

    Lang and others , title =

    P.T. Lang and others , title =. 2013 , volume =. doi:10.1088/0029-5515/53/4/043004 , url =

    work page doi:10.1088/0029-5515/53/4/043004 2013

  36. [37]

    paper presented at 2nd Europhysics Topical Conf

    Pochelon, A and others , title=. paper presented at 2nd Europhysics Topical Conf. on RF Heating of Fusion Devices , file =

  37. [38]

    Carlstrom, T. N. and Shimada, M. and Burrell, K. H. and DeBoo, J. and Gohil, P. and Groebner, R. and Hsieh, C. and Matsumoto, H. and Trost, P. , title =. 16th EPS Conference on Controlled Fusion and Plasma Physics (Europhysics Conference Abstracts) , address =

  38. [39]

    Boyes and F

    W. Boyes and F. Turco and J. Hanson and A. Marinoni and A. Turnbull and M. Austin and G. Navratil , journal =. MHD stability of negative triangularity. 2023 , volume =. doi:10.1088/1741-4326/acd564 , url =

    work page doi:10.1088/1741-4326/acd564 2023

  39. [40]

    and Brezinsek, S

    Krieger, K. and Brezinsek, S. and Coenen, J.W. and Frerichs, H. and Kallenbach, A. and Leonard, A.W. and Loarer, T. and Ratynskaia, S. and Vianello, N. and Asakura, N. and Bernert, M. and Carralero, D. and Ding, R. and Douai, D. and Eich, T. and Gasparyan, Y. and Hakola, A. and Hatano, Y. and Jakubowski, M. and Kobayashi, M. and Krasheninnikov, S. and Mas...

    work page doi:10.1088/1741-4326/adaf42 2025

  40. [41]

    Electric Power Monthly with Data for December 2025 , year =

    2025

  41. [42]

    2019 , month =

    Nuclear News , volume =. 2019 , month =

    2019

  42. [43]

    Liu and Y.Q

    D. Liu and Y.Q. Liu and W.W. Heidbrink and M.A. Van Zeeland and L.N. Zhou and M.E. Austin and A. Marinoni , title =. 2022 , volume =. doi:10.1088/1741-4326/ac68db , url =

    work page doi:10.1088/1741-4326/ac68db 2022

  43. [44]

    Evans , abstract =

    T.E. Evans , abstract =. Journal of Nuclear Materials , volume =. 2013 , note =. doi:https://doi.org/10.1016/j.jnucmat.2013.01.283 , url =

    work page doi:10.1016/j.jnucmat.2013.01.283 2013

  44. [45]

    Viezzer and M.E

    E. Viezzer and M.E. Austin and M. Bernert and K.H. Burrell and P. Cano-Megias and X. Chen and D.J. Cruz-Zabala and S. Coda and M. Faitsch and O. Février and L. Gil and C. Giroud and T. Happel and G.F. Harrer and A.E. Hubbard and J.W. Hughes and A. Kallenbach and B. Labit and A. Merle and H. Meyer and C. Paz-Soldan and P. Oyola and O. Sauter and M. Siccini...

    work page doi:10.1016/j.nme.2022.101308 2023

  45. [46]

    doi:10.1088/1742-6596/123/1/012033 , url =

    2008 , title=. doi:10.1088/1742-6596/123/1/012033 , url =

    work page doi:10.1088/1742-6596/123/1/012033 2008

  46. [47]

    Fusion , author =

    Nucl. Fusion , author =

  47. [48]

    Characterization of scrape-off layer radial transport and access to detached divertor conditions in discharges with negative triangularity shaping in the. Nucl. Fusion , author =

  48. [49]

    Plasma Phys

    Investigation of Turbulence Properties in Negative Triangularity Plasmas on. Plasma Phys. Controll. Fus. , author =

  49. [50]

    and Diamond, P.H

    Hong, R. and Diamond, P.H. and Sauter, O. and Chen, J. and Khabanov, F. and Li, Z. and Liu, D. and Marinoni, A. and McKee, G.R. and Rhodes, T.L. and Scotti, F. and Thome, K.E. and Tynan, G.R. and Van Zeeland, M.A. and Yan, Z. and Zeng, L. and the. Disentangling core and edge mechanisms of the density limit in. Nuclear Fusion , abstract =. 2025 , month =. ...

    work page doi:10.1088/1741-4326/ae1c50 2025

  50. [51]

    Operation above the

    Sauter, O and Hong, R and Marinoni, A and Scotti, F and Diamond, P H and Paz-Soldan, C and Shiraki, D and Thome, K E and Van Zeeland, M A and Wang, H Q and Yan, Z and the negD-. Operation above the. Plasma Physics and Controlled Fusion , abstract =. 2025 , month =. doi:10.1088/1361-6587/ade185 , url =

    work page doi:10.1088/1361-6587/ade185 2025

  51. [52]

    and Aucone, L

    Mariani, A. and Aucone, L. and Balestri, A. and Mantica, P. and Merlo, G. and Ambrosino, R. and Bagnato, F. and Balbinot, L. and Ball, J. and Bolzonella, T. and Brioschi, D. and Casiraghi, I. and Castaldo, A. and Coda, S. and Frassinetti, L. and Fusco, V. and Happel, T. and Hobirk, J. and Innocente, P. and McDermott, R.M. and Muscente, P. and Pütterich, T...

    work page doi:10.1088/1741-4326/ad6ea0 2024

  52. [53]

    and Balestri, A

    Mariani, A. and Balestri, A. and Mantica, P. and Merlo, G. and Ambrosino, R. and Balbinot, L. and Brioschi, D. and Casiraghi, I. and Castaldo, A. and Frassinetti, L. and Fusco, V. and Innocente, P. and Sauter, O. and Vlad, G. , title =. Nuclear Fusion , abstract =. 2024 , month =. doi:10.1088/1741-4326/ad2abc , url =

    work page doi:10.1088/1741-4326/ad2abc 2024

  53. [54]

    Plasma Physics and Controlled Fusion , abstract =

    Aucone, L and Mantica, P and Happel, T and Hobirk, J and Pütterich, T and Vanovac, B and Zimmermann, C F B and Bernert, M and Bolzonella, T and Cavedon, M and Dunne, M and Fischer, R and Innocente, P and Kappatou, A and McDermott, R M and Mariani, A and Muscente, P and Plank, U and Sciortino, F and Tardini, G and WPTE Team, the EUROfusion and Upgrade Team...

    work page doi:10.1088/1361-6587/ad4d1c 2024

  54. [55]

    Experiments and gyrokinetic simulations of

    Balestri, A and Mantica, P and Mariani, A and Bagnato, F and Bolzonella, T and Ball, J and Coda, S and Dunne, M and Faitsch, M and Innocente, P and Muscente, P and Sauter, O and Vallar, M and Viezzer, E and the. Experiments and gyrokinetic simulations of. Plasma Physics and Controlled Fusion , abstract =. 2024 , month =. doi:10.1088/1361-6587/ad4674 , url =

    work page doi:10.1088/1361-6587/ad4674 2024

  55. [56]

    Plasma Physics and Controlled Fusion , abstract =

    Eldon, D and Casali, L and Bykov, I and Chrystal, C and Erickson, K and Hyatt, A W and Leonard, A W and Moser, A L and Nelson, A O and Odstrčil, T and Paz-Soldan, C and Pederson, T and Scotti, F and Shen, H and Thome, K E and Wang, H Q and Welsh, A and Wilks, T M , title =. Plasma Physics and Controlled Fusion , abstract =. 2024 , month =. doi:10.1088/136...

    work page doi:10.1088/1361-6587/ad9e71 2024

  56. [57]

    Plasma Physics and Controlled Fusion , abstract =

    Casali, L and Eldon, D and Odstrcil, T and Mattes, R and Welsh, A and Lee, K and Nelson, A O and Paz-Soldan, C and Khabanov, F and Cote, T and McLean, A G and Scotti, F and Thome, K E , title =. Plasma Physics and Controlled Fusion , abstract =. 2025 , month =. doi:10.1088/1361-6587/ada1ca , url =

    work page doi:10.1088/1361-6587/ada1ca 2025

  57. [58]

    Meade and V

    D. Meade and V. Arunasalam and C. Barnes and M. Bell and M. Bitter and K. Bol and R. Budny and J. Cecchi and S. Cohen and C. Daughney and S. Davis and D. Dimock and F. Dylla and P. Efthimion and H. Eubank and R. Fonck and R. Goldston and B. Grek and R. Hawryluk and E. Hinnov and H. Hsuan and M. Irie and R. Jacobsen and D. Johnson and L. Johnson and H. Kug...

    1980

  58. [59]

    and Prager, S.C

    Lipschultz, B. and Prager, S.C. and Todd, A.M.M. and Delucia, J. , title =. Nuclear Fusion , abstract =. 1980 , month =. doi:10.1088/0029-5515/20/6/004 , url =

    work page doi:10.1088/0029-5515/20/6/004 1980

  59. [60]

    and Franke, S

    Moret, J.-M. and Franke, S. and Weisen, H. and Anton, M. and Behn, R. and Duval, B. P. and Hofmann, F. and Joye, B. and Martin, Y. and Nieswand, C. and Pietrzyk, Z. A. and van Toledo, W. , journal =. Influence of Plasma Shape on Transport in the. 1997 , month =. doi:10.1103/PhysRevLett.79.2057 , url =

    work page doi:10.1103/physrevlett.79.2057 1997

  60. [61]

    Dependence of density fluctuations on shape and collisionality in positive- and negative-triangularity tokamak plasmas , journal =

    Huang, Zhouji and Coda, Stefano and the. Dependence of density fluctuations on shape and collisionality in positive- and negative-triangularity tokamak plasmas , journal =. 2018 , month =. doi:10.1088/1361-6587/aadb59 , url =

    work page doi:10.1088/1361-6587/aadb59 2018

  61. [62]

    and Pogutse, O.P

    Kadomtsev, B.B. and Pogutse, O.P. , title =. Nuclear Fusion , abstract =. 1971 , month =. doi:10.1088/0029-5515/11/1/010 , url =

    work page doi:10.1088/0029-5515/11/1/010 1971

  62. [63]

    Plasma Physics and Controlled Fusion , abstract =

    Marinoni, A and Brunner, S and Camenen, Y and Coda, S and Graves, J P and Lapillonne, X and Pochelon, A and Sauter, O and Villard, L , title =. Plasma Physics and Controlled Fusion , abstract =. 2009 , month =. doi:10.1088/0741-3335/51/5/055016 , url =

    work page doi:10.1088/0741-3335/51/5/055016 2009

  63. [64]

    Pochelon and others , title =

    A. Pochelon and others , title =. 2nd Europhysics Topical Conference on RF Heating of Fusion Devices , volume =. 1998 , address =

    1998

  64. [65]

    Duff, J. M. and Faber, B. J. and Hegna, C. C. and Pueschel, M. J. and Terry, P. W. , title =. Physics of Plasmas , volume =. 2022 , doi =

    2022

  65. [66]

    Physics of Plasmas , volume =

    Merlo, Gabriele and Dicorato, Mattia and Allen, Bryce and Dannert, Tilman and Germaschewski, Kai and Jenko, Frank , title =. Physics of Plasmas , volume =. 2023 , doi =

    2023

  66. [67]

    and Marinoni, A

    Singh, Rameswar and Diamond, P.H. and Marinoni, A. , title =. Nuclear Fusion , abstract =. 2024 , month =. doi:10.1088/1741-4326/ad9ea0 , url =

    work page doi:10.1088/1741-4326/ad9ea0 2024

  67. [68]

    Waltz, R. E. and Miller, R. L. , title =. Physics of Plasmas , volume =. 1999 , doi =

    1999

  68. [69]

    Weiland and R

    M. Weiland and R. Bilato and C.S. Collins and W.W. Heidbrink and D. Liu and M.A. Van Zeeland and the ASDEX Upgrade,. Simulation of neutron emission in neutral beam injection heated plasmas with the real-time code RABBIT , journal =. 2019 , month =. doi:10.1088/1741-4326/ab1edd , url =

    work page doi:10.1088/1741-4326/ab1edd 2019

  69. [70]

    Controll

    Plasma Phys. Controll. Fus. , author =

  70. [71]

    and Li, Z

    Yu, G. and Li, Z. and Kramer, G. and Scotti, F. and Nelson, A. O. and Diallo, A. and Lasnier, C. and Austin, M. E. and Qin, X. and Chen, Y. and Zheng, Y. and Zhu, Y. and Luhmann, N. C., Jr. , title = ". Physics of Plasmas , volume =. 2023 , issn =. doi:10.1063/5.0144711 , url =

    work page doi:10.1063/5.0144711 2023

  71. [72]

    Angioni and H

    C. Angioni and H. Weisen and O.J.W.F. Kardaun and M. Maslov and A. Zabolotsky and C. Fuchs and L. Garzotti and C. Giroud and B. Kurzan and P. Mantica and A.G. Peeters and J. Stober and the ASDEX Upgrade Team and contributors to the EFDA-JET Workprogramme , title =. 2007 , month =. doi:10.1088/0029-5515/47/9/033 , url =

    work page doi:10.1088/0029-5515/47/9/033 2007

  72. [73]

    Overview of results from the 2023

    Thome, K E and Austin, M E and Hyatt, A and Marinoni, A and Nelson, A O and Paz-Soldan, C and Scotti, F and Boyes, W and Casali, L and Chrystal, C and Ding, S and Du, X D and Eldon, D and Ernst, D and Hong, R and McKee, G R and Mordijck, S and Sauter, O and Schmitz, L and Barr, J L and Burke, M G and Coda, S and Cote, T B and Fenstermacher, M E and Garofa...

    work page doi:10.1088/1361-6587/ad6f40 2023

  73. [74]

    and Chrystal, C

    Paz-Soldan, C. and Chrystal, C. and Lunia, P. and Nelson, A.O. and Thome, K.E. and Austin, M.E. and Cote, T.B. and Hyatt, A.W. and Leuthold, N. and Marinoni, A. and Osborne, T.H. and Pharr, M. and Sauter, O. and Scotti, F. and Wilks, T.M. and Wilson, H.S. , title =. Nuclear Fusion , abstract =. 2024 , month =. doi:10.1088/1741-4326/ad69a4 , url =

    work page doi:10.1088/1741-4326/ad69a4 2024

  74. [75]

    Plasma Physics and Controlled Fusion , abstract =

    Vanovac, B and Dunne, M and Pütterich, T and Happel, T and Hobirk, J and Silvagni, D and Faitsch, M and Lee, K and Conway, G D and Bielajew, R and Yoo, C and White, A E and Bernert, M and David, P and Fischer, R and Stieglitz, D and the ASDEX Upgrade Team and the EUROfusion WPTE Team , title =. Plasma Physics and Controlled Fusion , abstract =. 2024 , mon...

    work page doi:10.1088/1361-6587/ad76d7 2024

  75. [76]

    and Vincent, C

    Nelson, A.O. and Vincent, C. and Anand, H. and Lovell, J. and Parisi, J.F. and Wilson, H.S. and Imada, K. and Wehner, W.P. and Kochan, M. and Blackmore, S. and McArdle, G. and Guizzo, S. and Rondini, L. and Freiberger, S. and Paz-Soldan, C. and the MAST-U Team , title =. Nuclear Fusion , abstract =. 2024 , month =. doi:10.1088/1741-4326/ad89db , url =

    work page doi:10.1088/1741-4326/ad89db 2024

  76. [77]

    and Nelson, Andrew O

    Vanovac, Branka and Hobirk, Joerg and Puetterich, Thomas and Sauter, Olivier and Faitsch, Michael and Dunne, Michael G. and Nelson, Andrew O. and Mantica, Paola and Fischer, Rainer and Stieglitz, Dirk and Happel, Tim and Aucone, Lorenzo , title =. 67th Annual Meeting of the APS Division of Plasma Physics , year =

  77. [78]

    and Ball, J

    Balestri, A. and Ball, J. and Coda, S. , title =. Nuclear Fusion , abstract =. 2025 , month =. doi:10.1088/1741-4326/ae01bd , url =

    work page doi:10.1088/1741-4326/ae01bd 2025

  78. [79]

    and others , title =

    Vanovac, B. and others , title =

  79. [80]

    and Dunne, Michael G

    Labit, Benoit and Sauter, Olivier and Lowry, Christopher and Lomas, Peter J. and Dunne, Michael G. and Kappatou, Athina and Faitsch, Michael and Auriemma, Fulvio and Marin, Michele and Viezzer, Eleonora and Perez von Thun, Christian and Solano, Emilia R. , title =. 66th Annual Meeting of the APS Division of Plasma Physics , year =

  80. [81]

    and Austin, M.E

    Marinoni, A. and Austin, M.E. and Candy, J. and Chrystal, C. and Haskey, S.R. and Porkolab, M. and Rost, J.C. and Scotti, F. , title =. Nuclear Fusion , abstract =. 2024 , month =. doi:10.1088/1741-4326/ad5a1c , url =

    work page doi:10.1088/1741-4326/ad5a1c 2024

Showing first 80 references.