{"paper":{"title":"A Hybrid Scheme to Achieve Highest Implosion Performance on the OMEGA Laser","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"Hybrid shock-drive targets on OMEGA use an initial x-ray shock from a gold shell to suppress instabilities and project an 85 percent increase in the record Lawson parameter.","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Lees, D. Cao, D. Patel, K. S. Anderson, L. Ceurvorst, P. S. Farmakis, R. Betti, V. Gopalaswamy","submitted_at":"2026-05-13T21:28:52Z","abstract_excerpt":"Merging direct and indirect-drive has long been viewed as an optimal hybrid laser-fusion scheme that combines the uniformity of x rays with the efficiency of direct illumination. We present the first integrated 2D simulations of hybrid shock drive (HSD) targets for the OMEGA laser. The HSD scheme [L. Ceurvorst et al., Phys. Rev. E 101 063207 (2020)] uses x rays from a thin Au-coated x-ray converter outer shell to drive the initial shock into a standard direct-drive capsule. Direct illumination is used to implode the target after the first shock. The design effectively suppresses laser-imprint "},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"HSD targets are projected to significantly enhance fusion yields, potentially increasing the record Lawson parameter by ∼85% on OMEGA while effectively eliminating the requirement for laser smoothing.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the 2D integrated simulations accurately capture the suppression of hydrodynamic instabilities and performance gains without significant 3D effects or unmodeled physics in real experiments.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Hybrid shock drive targets on OMEGA are projected to increase the record Lawson parameter by ~85% via combined x-ray pre-shock and direct-drive implosion that suppresses laser imprint instabilities.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Hybrid shock-drive targets on OMEGA use an initial x-ray shock from a gold shell to suppress instabilities and project an 85 percent increase in the record Lawson parameter.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"5d9defe33362bded190f6511717255f6b366df98889986f943179fd3e11bd719"},"source":{"id":"2605.14129","kind":"arxiv","version":1},"verdict":{"id":"1c8401c2-7149-4d8f-904d-960f84d171ee","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T02:07:49.136617Z","strongest_claim":"HSD targets are projected to significantly enhance fusion yields, potentially increasing the record Lawson parameter by ∼85% on OMEGA while effectively eliminating the requirement for laser smoothing.","one_line_summary":"Hybrid shock drive targets on OMEGA are projected to increase the record Lawson parameter by ~85% via combined x-ray pre-shock and direct-drive implosion that suppresses laser imprint instabilities.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the 2D integrated simulations accurately capture the suppression of hydrodynamic instabilities and performance gains without significant 3D effects or unmodeled physics in real experiments.","pith_extraction_headline":"Hybrid shock-drive targets on OMEGA use an initial x-ray shock from a gold shell to suppress instabilities and project an 85 percent increase in the record Lawson parameter."},"references":{"count":60,"sample":[{"doi":"","year":null,"title":"The “strong” picket (Fig","work_id":"ad5c3e59-13de-431f-8e46-eba11ac94fd8","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1972,"title":"J. Nuckolls, L. Wood, A. Thiessen, and G. Zimmerman, Nature239, 139 (1972). 12","work_id":"aff4c3c2-7380-49a6-b18d-8a16d1776bf4","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2015,"title":"R. S. Craxton, K. S. Anderson, T. R. Boehly, V . N. Goncharov, D. R. Harding, J. P. Knauer, R. L. McCrory, P. W. McKenty, D. D. Meyerhofer, J. F. Myatt,et al., Phys. Plasmas22, 110501 (2015)","work_id":"d3241532-032f-4edc-a6da-b1d488395f0d","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2021,"title":"A. B. Zylstra, O. A. Hurricane, D. A. Callahan, A. L. Kritcher, O. L. Landen, J. Lindl, A. Pak, P. Patel, J. E. Ralph, J. S. Ross,et al., Nucl. Fusion61, 116066 (2021)","work_id":"25956970-fb48-46cf-978c-6fd074aff4cf","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"A. L. Kritcher, J. Ralph, D. E. Hinkel, T. Döppner, M. Millot, D. Mariscal, R. Benedetti, D. J. Strozzi, T. Chapman, C. Goyon, B. MacGowan, P. Michel, D. A. Callahan, and O. A. Hurricane, Phys. Rev. E","work_id":"7e43a656-0a41-4d23-88e3-e8ed5456a087","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":60,"snapshot_sha256":"a1e4a355683b045c102783a24a99f74fd18a3ee5cc6afa9fb560198e78fbba31","internal_anchors":0},"formal_canon":{"evidence_count":2,"snapshot_sha256":"3eca752a89a2277bae4bae55f84e2d454a0be3c28c864a3d622339b4d85df43a"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}