Open AccessDeficiencies in compression and yield in x-ray-driven implosions
Author(s) -
Cliff Thomas,
E. M. Campbell,
K. L. Baker,
D. T. Casey,
M. Hohenberger,
A. L. Kritcher,
B. K. Spears,
S. F. Khan,
R. Nora,
D. T. Woods,
J. L. Milovich,
R. L. Berger,
D. J. Strozzi,
D. Ho,
D. S. Clark,
B. Bachmann,
L. R. Benedetti,
R. M. Bionta,
P. M. Celliers,
D. N. Fittinghoff,
G. P. Grim,
R. Hatarik,
N. Izumi,
G. A. Kyrala,
T. Ma,
M. Millot,
S. R. Nagel,
P. K. Patel,
C. B. Yeamans,
A. Nikroo,
M. Tabak,
M. Gatu Johnson,
P. L. Volegov,
S. M. Finnegan
Publication year - 2020
Publication title -
physics of plasmas
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.75
H-Index - 160
eISSN - 1089-7674
pISSN - 1070-664X
DOI - 10.1063/5.0022187
Subject(s) - hohlraum , physics , national ignition facility , area density , compression (physics) , inertial confinement fusion , yield (engineering) , ignition system , plasma , implosion , x ray , computational physics , hot spot (computer programming) , nuclear engineering , optics , nuclear physics , computer science , thermodynamics , engineering , operating system
This paper analyzes x-ray-driven implosions that are designed to be less sensitive to 2D and 3D effects in Hohlraum and capsule physics. Key performance metrics including the burn-averaged ion temperature, hot-spot areal density, and fusion yield are found to agree with simulations where the design adiabat (internal pressure) is multiplied by a factor of 1.4. These results motivate the development of a simple model for interpreting experimental data, which is then used to quantify how improvements in compression could help achieve ignition.
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