Author(s): A. O. Nelson, L. Schmitz, C. Paz-Soldan, K. E. Thome, T. B. Cote, N. Leuthold, F. Scotti, M. E. Austin, A. Hyatt, and T. Osborne
In a series of high performance diverted discharges on DIII-D, we demonstrate that strong negative triangularity (NT) shaping robustly suppresses all edge-localized mode (ELM) activity over a wide range of plasma conditions: $⟨n⟩=0.1–1.5×{10}^{20}\text{ }\text{ }{\mathrm{m}}^{−3}$, ${P}_{\mathrm{aux…
[Phys...