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Understanding Cryogenic Target Performance on OMEGA Using Statistics-Based Analysis with 2-D DRACO Simulations

ORAL

Abstract

In the past, great success in target performance optimization has been achieved by building a predictive capability using statistical modeling. Based on results of nearly 300 cryogenic experiments performed on the OMEGA laser, such modeling constructs scaling laws for neutron yields and areal density that are in addition to scaling predictions from LILAC 1‑D simulations [V. Gopalaswamy et al., Nature 565, 581 (2019)]. These additional scalings are functions of design parameters (target and laser beam sizes, fuel adiabat, shell thickness, convergence ratio, etc.) and hypothesized to represent multidimensional degradation effects, but they have yet to be fully explained. In this talk, we describe a new statistical model based on the same experimental data but combined with advanced 2-D simulations. This new model shows that these additional scaling terms can be understood with physics models included in DRACO 2-D [P. B. Radha et al., Phys. Plasmas 12, 032702 (2005)]. This material is based upon work supported by the Department of Energy National Nuclear Security Administration under Award Number DE-NA0003856.

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Presenters

  • Duc M Cao

    Lab for Laser Energetics, Laboratory for Laser Energetics, U. of Rochester, University of Rochester

Authors

  • Duc M Cao

    Lab for Laser Energetics, Laboratory for Laser Energetics, U. of Rochester, University of Rochester

  • Varchas Gopalaswamy

    Laboratory for Laser Energetics, University of Rochester, Lab for Laser Energetics, Laboratory for Laser Energetics, U. of Rochester, Laboratory for Laser Energetics - Rochester, University of Rochester

  • Aarne Lees

    University of Rochester, Laboratory for Laser Energetics, U. of Rochester

  • Dhrumir P Patel

    University of Rochester, Laboratory for Laser Energetics, U. of Rochester

  • Riccardo Betti

    University of Rochester, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics, U. of Rochester

  • Cliff A Thomas

    Laboratory for Laser Energetics, University of Rochester, University of Rochester, Laboratory for Laser Energetics, U. of Rochester

  • Rahul C Shah

    Lab for Laser Energetics, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics - Rochester, Laboratory for Laser Energetics, U. of Rochester, University of Rochester

  • Wolfgang R Theobald

    University of Rochester, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Lab for Laser Energetics

  • James P Knauer

    Laboratory for Laser Energetics, U. of Rochester, University of Rochester, Laboratory for Laser Energetics, University of Rochester

  • Radha B Bahukutumbi

    Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics, U. of Rochester, University of Rochester, Laboratory for Laser Energetics - Rochester

  • Christian Stoeckl

    University of Rochester, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Lab for Laser Energetics, Laboratory for Laser Energetics

  • Sean P Regan

    Laboratory for Laser Energetics, University of Rochester, University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Laboratory for Laser Energetics, Lab for Laser Energetics

  • William Scullin

    Laboratory for Laser Energetics, U. of Rochester, University of Rochester

  • Timothy J Collins

    University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics

  • Valeri N Goncharov

    University of Rochester, Laboratory for Laser Energetics, U. of Rochester, Lab for Laser Energetics, Laboratory for Laser Energetics, University of Rochester