Nuclear Fusion Nuclear Reactions Nuclear Weapons Fusion Energy Fusion Physics Fusion Reactions Particle Physics Fusion Research Isotopes Fusion Reactor Physics Atomic Bomb Radioactive Decay Nuclear Energy Element Formation Plasma Physics Fission Nuclear Structure Fusion Technology Radiation Experimental Physics Theoretical Models Superheavy Elements Radioactivity Stellar Evolution Atomic Nuclei Nuclear Reactors Atomic Structure Nuclear Testing Nuclear Fission Nuclear Clocks Atomic Bomb Development Nucleosynthesis Nuclear Technology Experimental Techniques Fusion Processes Atomic Bombs Heavy Ion Collisions Experimental Methods Radiation Effects Beta Decay Thorium-229 Quantum Chromodynamics Equations of State Radioactive Materials Nuclear Power Nuclear Power Plants Fusion Reaction Neutrons Quark-Gluon Plasma Uranium Enrichment Research Methods Decay Processes Energy Research Research Facilities Collision Dynamics Thermonuclear Reactions Neutron Stars Transmutation Fusion Reactors Heavy-Ion Collisions Timekeeping Element Synthesis Research Collaborations Astrophysical Phenomena Radioactive Isotopes Manhattan Project Materials Science Reactor Components Electron-Proton Collisions Enriched Uranium Radioisotope Thermoelectric Generators Matter-Antimatter Asymmetry Reactor Core Big Bang Nucleosynthesis Rare Radioactive Nuclei Unstable Nuclei Island of Stability Antimatter Strong Nuclear Force High Density Matter Exotic Nuclei J. Robert Oppenheimer Uranium Fusion Power Radioisotopes Spectroscopy Atomic Weapons X-ray Technology Military Applications Nuclear Forces Nuclear Decay Energy Production Explosive Devices Experimental Research Atomic Clocks X-ray Generation Research Institutions Neutron Capture Radio-Thermal Generators
A Science Advances paper details a high pre-fill with ECRH-assisted startup that reduced plasma–wall contamination, enabling operation at higher density.