articlePhysical Review LettersFeb 5, 2024HYBRID OA

Achievement of Target Gain Larger than Unity in an Inertial Fusion Experiment

General Atomics (United States) · Lawrence Livermore National Laboratory · +37 more institutions

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Abstract

On December 5, 2022, an indirect drive fusion implosion on the National Ignition Facility (NIF) achieved a target gain G_{target} of 1.5. This is the first laboratory demonstration of exceeding "scientific breakeven" (or G_{target}>1) where 2.05 MJ of 351 nm laser light produced 3.1 MJ of total fusion yield, a result which significantly exceeds the Lawson criterion for fusion ignition as reported in a previous NIF implosion [H. Abu-Shawareb et al. (Indirect Drive ICF Collaboration), Phys. Rev. Lett. 129, 075001 (2022)PRLTAO0031-900710.1103/PhysRevLett.129.075001]. This achievement is the culmination of more than five decades of research and gives proof that laboratory fusion, based on fundamental physics…

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Topics & keywords

Keywords
  • Physics
  • Inertial frame of reference
  • Fusion
  • Inertial confinement fusion
  • Nuclear physics
  • Classical mechanics
  • Plasma
  • Philosophy
UN Sustainable Development Goals
  • Partnerships for the goals
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