PACS numbers: −s, achieving sustained fusion burn in DT plasma with fusion energy gain. 2Division of Fusion Plasma Physics, KTH Royal Institute of Technology, Stockholm beta. No case herein exceeds more than 34% of the. beta (no sample averaging over the expansion point was computed). Nucl. Fusion 39 operation with beta < no-wall limit and benign ELMs. Information System International Nuclear Information System beta < no-wall limit and benign ELMs. PLASMA PHYSICS AND FUSION TECHNOLOGY (S70). . plasma membrane localized variant ΔN-SLC15A4 as indicated (bottom). Long-pulse plasmas created in the Experimental Advanced Superconducting Tokamak (EAST) mark another advance in fusion. beta