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Showing 1–8 of 8 results
Advanced filters: Author: S. Stoupin Clear advanced filters

  • Lasing in a hard-X-ray free-electron laser is typically seeded from noise due to the self-amplification of spontaneous emission, which limits temporal coherence and spectral characteristics. Researchers now demonstrate self-seeding using X-rays from the first half of the magnetic undulator to seed the second half via a diamond-based monochromator at ångström wavelengths.

    • J. Amann
    • W. Berg
    • D. Zhu
    Research
    Nature Photonics
    Volume: 6, P: 693-698

  • Recent improvements in the indirect-drive inertial confinement fusion experiments include the achievement of burning plasma state. Here the authors report the scaling of neutron yield in a burning plasma of Deuterium-Tritium fusion reaction by including the mode-2 asymmetry.

    • J. E. Ralph
    • J. S. Ross
    • G. B. Zimmerman
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-14

  • A burning plasma, a critical step towards self-sustaining fusion, is achieved at the US National Ignition Facility, with a subset of experiments demonstrating fusion self-heating beyond radiation and conduction losses.

    • A. B. Zylstra
    • O. A. Hurricane
    • G. B. Zimmerman
    ResearchOpen Access
    Nature
    Volume: 601, P: 542-548

  • Dynamic compression experiments enable material studies in regimes relevant for planetary science, but temperature is difficult to measure in these challenging conditions. Here, the authors report on temperature, density, pressure, and structure of dynamically compressed Cu up to 1 TPa determined from extended x-ray absorption fine structure and velocimetry.

    • H. Sio
    • A. Krygier
    • Y. Ping
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • In burning plasma, alpha particles from fusion reactions are the dominant source of heating. The design choices that resulted in reaching this state in experiments at the National Ignition Facility are reported.

    • A. L. Kritcher
    • C. V. Young
    • G. B. Zimmerman
    ResearchOpen Access
    Nature Physics
    Volume: 18, P: 251-258

  • Comparison of transcriptomes, cell fates and behaviour of three primary cell types from the sponge Amphimedon queenslandica with choanoflagellates and other unicellular holozoans suggests that the first animal cells transitioned between multiple states.

    • Shunsuke Sogabe
    • William L. Hatleberg
    • Bernard M. Degnan
    Research
    Nature
    Volume: 570, P: 519-522