Performance scaling with an applied magnetic field in indirect-drive inertial confinement fusion implosions

Sio, Hong; Moody, John D.; Pollock, Bradley B.; Strozzi, David J.; Ho, Darwin D. M.; Walsh, Christopher A.; Kemp, Gregory E.; Lahmann, Brandon; Kucheyev, Sergei O.; Kozioziemski, Bernard; Carroll, Evan G.; Kroll, Jeremy; Yanagisawa, D. K.; Angus, Justin; Bachmann, Benjamin L.; Baker, Alexander A.; Bayu Aji, L. B.; Bhandarkar, Suhas D.; Bude, J. D.; Divol, Laurent; Engwall, Alison M.; Ferguson, Bryan; Fry, J.; Hagler, Lisle; Hartouni, Edward P.; Herrmann, Mark C.; Hsing, W.; Holunga, Dean M.; Javedani, J.; Johnson, Anthony; Khan, Shahab; Kalantar, Daniel; Kohut, T.; Logan, B. G.; Masters, Nathan; Nikroo, Abbas; Izumi, Nobuhiko; Orsi, N.; Piston, Kenneth; Provencher, C.; Rowe, Arlen; Sater, James; Shin, Swanee J.; Skulina, K.; Stygar, William A.; Tang, Vincent; Winters, S. E.; Zimmerman, George; Chittenden, Jeremy P.; Appelbe, Brian; Boxall, Aidan; Crilly, Aidan; O'Neill, Sam; Barnak, Daniel; Davies, Jonathan; Peebles, Jonathan; Bae, John H.; Clark, Katrin; Havre, M.; Mauldin, M.; Ratledge, Mark; Vonhof, Scott; Adrian, Patrick; Reichelt, Benjamin; Fujioka, Shinsuke; Fraenkel, Moshe

doi:10.1063/5.0150441

Title: Performance scaling with an applied magnetic field in indirect-drive inertial confinement fusion implosions

Journal Article · Mon Jul 17 00:00:00 EDT 2023 · Physics of Plasmas

DOI:https://doi.org/10.1063/5.0150441· OSTI ID:1989991

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Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Imperial College, London (United Kingdom)
Univ. of Rochester, NY (United States)
General Atomics, San Diego, CA (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Osaka Univ. (Japan)
Israel Atomic Energy Commission (IAEC), Yavne (Israel). Soreq Nuclear Research Centre (Soreq NRC)

Magnetizing a cryogenic deuterium–tritium (DT)-layered inertial confinement fusion (ICF) implosion can improve performance by reducing thermal conduction and improving DT-alpha confinement in the hot spot. A room-temperature, magnetized indirect-drive ICF platform at the National Ignition Facility has been developed, using a high-Z, high-resistivity AuTa₄ alloy as the hohlraum wall material. Experiments show a 2.5× increase in deuterium–deuterium (DD) neutron yield and a 0.8-keV increase in hot-spot temperature with the application of a 12-T B-field. Further, for an initial 26-T B-field, we observed a 2.9× yield increase and a 1.1-keV temperature increase, with the inferred burn-averaged B-field in the compressed hot spot estimated to be 7.1 ± 1.8 kT using measured primary DD-n and secondary DT-n neutron yields.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program

Grant/Contract Number:: AC52-07NA27344; 89233119CNA000063

OSTI ID:: 1989991

Report Number(s):: LLNL-JRNL-845574; 1068929; TRN: US2403962

Journal Information:: Physics of Plasmas, Vol. 30, Issue 7; Conference: 64. Annual Meeting of the APS Division of Plasma Physics, Spokane, WA (United States), 17-21 Oct 2022; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Title: Performance scaling with an applied magnetic field in indirect-drive inertial confinement fusion implosions

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