TY - RPRT TI - Ballooning instability preventing the H-mode access in plasmas with negative triangularity shape on the DIII-D tokamak AU - Saarelma, Samuli AU - Austin, Max E. AU - Knölker, M. AU - Marinoni, Alessandro AU - Paz-Soldan, Carlos AU - Schmitz, Lothar AU - Snyder, Philip B. PY - 2021 DO - 10.1088/1361-6587/ac1ea4 UR - https://www.osti.gov/biblio/1818123 ID - 1818123 ER -