A recent experiment conducted on the National Ignition Facility (NIF) described in the study by Abu-Shawareb et al. [Phys. Rev. Lett. 129, 075001 (2022)] achieved a fusion yield output of 1.3 MJ from ∼ 220 kJ of x-ray energy absorbed by the capsule, demonstrating remarkable progress in the field of laser driven inertial confinement fusion. In the study by A. R. Christopherson [“Effects of charged particle heating on the hydrodynamics of inertially confined plasmas,” Ph.D. thesis (2020)], the plasma conditions needed to claim the onset of ignition and burn propagation were outlined and multiple criterion were provided to assess progress in inertial fusion experiments. In this work, we modify the metrics from A. R. Christopherson [“Effects of charged particle heating on the hydrodynamics of inertially confined plasmas,” Ph.D. thesis (2020)] to accurately calculate performance metrics for indirect-drive experiments on the NIF. We also show that performance metric trends observed in NIF data are consistent with theory and simulations. This analysis indicates that all the identified criterion for ignition and burn propagation have been exceeded by experiment 210 808.
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June 2023
Research Article|
June 07 2023
Alpha-heating analysis of burning plasma and ignition experiments on the National Ignition Facility
Special Collection:
Papers from the 64th Annual Meeting of the APS Division of Plasma Physics
A. R. Christopherson
;
(Conceptualization, Data curation, Investigation, Methodology, Writing – original draft, Writing – review & editing)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
b)Author to whom correspondence should be addressed: christophers1@llnl.gov
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O. A. Hurricane
;
O. A. Hurricane
(Supervision, Validation)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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C. Weber
;
C. Weber
(Supervision, Writing – review & editing)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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A. Kritcher;
A. Kritcher
(Supervision)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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R. Nora
;
R. Nora
(Data curation)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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J. Salmonson
;
J. Salmonson
(Software)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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R. Tran
;
R. Tran
(Software)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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J. Milovich
;
J. Milovich
(Supervision)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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S. Maclaren
;
S. Maclaren
(Supervision)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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D. Hinkel
;
D. Hinkel
(Supervision)
1
Lawrence Livermore National Laboratory
7000 East Avenue, Livermore, California 94550, USA
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R. Betti
R. Betti
(Supervision)
2
Laboratory for Laser Energetics University of Rochester Laboratory for Laser Energetics
, 250 E. River Rd., Rochester, New York 14623, USA
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Phys. Plasmas 30, 062705 (2023)
Article history
Received:
December 31 2022
Accepted:
May 19 2023
Citation
A. R. Christopherson, O. A. Hurricane, C. Weber, A. Kritcher, R. Nora, J. Salmonson, R. Tran, J. Milovich, S. Maclaren, D. Hinkel, R. Betti; Alpha-heating analysis of burning plasma and ignition experiments on the National Ignition Facility. Phys. Plasmas 1 June 2023; 30 (6): 062705. https://doi.org/10.1063/5.0140888
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