Experiments as Team Leader

DIII-D National Fusion Facility

1. D. R. Ernst, X. Ma, T. Osborne, T. Wilks, T. Odstrcil, A. Hyatt, Q. Hu, A. Biwole, D. Eldon, R. Hood, F. Khabanov, K. Kwon, R. Maurizio, A. MacLean, F. Scotti, D. Shiraki, F. Turco, H. Wang, X. Chen, J. Hobirk, E. Viezzer, QH-Mode Development and Impurity Transport Studies, DIII-D 2025-16-02, ran May 14, 2025.
2. D. R. Ernst, X. Ma, T. Osborne, T. Wilks, T. Odstrcil, A. Hyatt, Q. Hu, A. Biwole, D. Eldon, R. Hood, F. Khabanov, K. Kwon, R. Maurizio, A. MacLean, F. Scotti, D. Shiraki, F. Turco, H. Wang, X. Chen, J. Hobirk, E. Viezzer, QH-Mode Development and Impurity Transport Studies, DIII-D 2025-16-02, May 14, 2025.D. R. Ernst, X. Ma et al., Development of a Standard QH-Mode SVR Scenario, DIII-D 2024-16-04, ran Nov. 4&5, 2024.
3. D. R. Ernst et al., Isotope Effect in Standard and Wide Pedestal QH-Mode with Reduced Carbon Sputtering in Hydrogen Plasmas, DIII-D 2022-35-06, ran June, 2023.
4. D. R. Ernst, M. E. Austin et al., Detailed characterization of NegD turbulent transport properties – Part II, ECH Scans, DIII-D 2022-16-12, ran Feb. 7, 2023.
5. D. R. Ernst, A. Bortolon, F. Effenberg, D. Eldon, H. Anand, X. Chen, Z. Li, T. Abrams, C. Chrystal, F. Glass, S. Haskey, Q. Hu, C. Lasnier, X. Ma, G. McKee, A. Mclean, T. Odstrčil, T. Osborne, T. L. Rhodes, F. Scotti, D. Truong, H. Wang, G. Wang, J. Watkins, Z. Yan et al., Reduce Impurity Dilution in WPQH-Mode via Divertor Dissipation and Control of Impurity Transport while Measuring Divertor Heat Flux Widths, DIII-D 2022-35-01, multiple run days, 2022-2023.
6. D. R. Ernst, T. H. Osborne, A. Hyatt, T. Abrams, H. Anand, A. Bortolon, P. Byrne, X. Chen, C. Chrystal, F. Effenberg, D. Eldon, S. Haskey, E. Hinson, Q. Hu, C. Lasnier, X. Ma, A. Mclean, G. McKee, A. Pankin, T. Odstrcil, K. Rakers, G. Ren, T. Rhodes, F. Scotti, D. Thomas, D. Truong, H. Wang, J. Watkins, B. Wilcox, T. Wilks, J. Yu, G. Yu, Develop QH-Mode and WPQH-Mode with Upper Strike Point in SAS-VW, DIII-D 2022-35-52, multiple run days, 2022.
7. D. R. Ernst, C. Chrystal et al., Effect of Isotope Mass on Intrinsic Rotation and Momentum Transport in H-Mode Plasmas, part of DIII-D 2016-16-06, January 7, 2021.
8. D. R. Ernst, A. Bortolon, K. H. Burrell et al., Active Wall Conditioning Development and Application to Improve Performance and Reduce Zeff in Wide Pedestal QH-Mode, DIII-D 2019-02-12, February 24, 2021.
9. D. R. Ernst, K. Barada, T. Rhodes, K. Burrell et al., ECH confinement improvement in Wide Pedestal QH-Mode, DIII-D 2018-32-05, January 8 & 10, 2018.
10. D. R. Ernst, C. Chrystal et al., Core momentum transport and intrinsic rotation in Wide Pedestal QH-Mode with ECH, DIII-D 2018-15-03, February 23, 2018.
11. D. R. Ernst, B. A. Grierson, T. Tala et al., Core Momentum Transport and Rotation Reversal with Dominant Electron Heating in ITER Baseline Scenario, DIII-D 2017-15-03, February 23, 2018.
12. D. R. Ernst, K. H. Burrell, L. Schmitz, T. Rhodes et al., Suppressing TEM and Multiscale Electron Thermal Transport in QH-mode Plasmas and Measurement of Poloidal Flow Damping, DIII-D 2014-11-04 and 2014-11-05, 2014 Experimental Campaign, Burning Plasma Physics, March 28, 2014. Successfully completed May 7 & 8, 2014 on the DIII-D National Tokamak User Facility at General Atomics, San Diego.
13. D. R. Ernst, K. H. Burrell, W. Guttenfelder, T. Rhodes, L. Schmitz, G. McKee, C. Holland, B. Tobias, G. Wang, E. Doyle, B. Grierson, M. Greenwald, C. Petty, C. Rost, L. Zeng et al., Controlling H-mode particle transport with ECH, DIII-D 2014-11-01, 2013 National Fusion Science Campaign, Sept. 22, 2013. Successfully completed October 1 & 2, 2013 on the DIII-D National Tokamak User Facility at General Atomics, San Diego.
14. D. R. Ernst, M. Murakami, R.J. La Haye, G.L. Jackson, K.H. Burrell, T.E. Evans, C.M. Greenfield, W.P. West, G.R. McKee, C.L. Rettig, Direct Test of the Role of ExB Shear in Improved Confinement with Neon Injection Using Magnetic Braking, Bull. Am. Phys. Soc. 45, 221 (2000), 42nd American Physical Society Annual Meeting of Division of Plasma Physics Quebec City Quebec, CA, 2000. 
15. D. R. Ernst, Pellet perturbation experiments on ELMy H-Mode plasmas in DIII­-D, experiments carried out in 1999 on the DIII-D National Tokamak User Facility at General Atomics, San Diego.

Alcator C-Mod (MIT)

1. D. R. Ernst, I. Bespamyatnov, S. Baek, W. Bergerson, P. Bonoli, R. M. Churchill, P. Ennever, C. Fiore, C. Gao, R. Granetz, M. Greenwald, N. T. Howard, A. E. Hubbard, J. W. Hughes, Y. Lin, Y. Ma, M. Porkolab, M. L. Reinke, J. E. Rice, C. Sung, J. Terry, N. Tsujii, A. White, D. G. Whyte, S. Wolfe, J. Wright, S. Wukitch, S. Zweben, Controlling sawteeth and core turbulence in MP No. 720 I-mode plasmas with off-axis heating, Alcator C-Mod Mini-Proposal MP720, July 20 (2012). Experiment ran 1/2-day on the Alcator C-Mod Tokamak Facility at MIT.
2. D. R. Ernst, P. T. Bonoli, S. Scott, I. Bespamyatnov, A. Dominguez, J. Dorris, P. Ennever, C. Fiore, C. Gao, R. Granetz, M. Greenwald, A. E. Hubbard, J. W. Hughes, Y. Lin, Y. Ma, R. Mumgaard, P. E. Phillips, Y. Podpaly, M. Porkolab, M. L. Reinke, W. Rowan, J. Terry, N. Tsujii, A. White, S. Wolfe, J. Wright, S. Wukitch, S. Zweben, Hidden Variables in Neo-Alcator Scaling, Alcator C-MOD Mini-Proposal MP653, Feb. 4, (2011). Received three run days on the Alcator C-Mod Tokamak Facility at MIT.
3. D. R. Ernst, C. L. Fiore, N. Tsujii, A. Dominguez, M. Greenwald, N. Howard, J. W. Hughes, Y. Ma, E. S. Marmar, P. E. Phillips, Y. Podpaly, M. L. Reinke, J.E. Rice, W. Rowan, S. Wolfe, S. Wukitch et al., Core Fluctuations and Transport in Two-Frequency ICRF Heated ITB Plasmas with Jogs and Modulated ICRH, Alcator C-Mod Mini-Proposal MP602, Feb. 26, 2010. Successful experiment, received (4) run days on the Alcator C-Mod Tokamak Facility at MIT.