15-19 April 2018
Paradise Point Resort & Spa
America/Los_Angeles timezone

4.47 Measurements of nonresonant inelastic X-ray scattering for the characterization of warm dense Argon plasmas at the Linac Coherent Light Source

16 Apr 2018, 20:30
2h 1m
Paradise Point Resort & Spa

Paradise Point Resort & Spa

1404 Vacation Rd, San Diego, CA 92109

Speakers

Luke Fletcher (SLAC National Accelerator Laboratory) Siegfried Glenzer (SLAC National Accelerator Laboratory) Bastian Witte (SLAC National Accelerator Laboratory) Emma McBride (AC National Accelerator Laboratory) Thomas White (University of Nevada Reno) Gianluca Gregori (University of Oxford) Jongjin Kim (SLAC National Accelerator Laboratory) Maxence Gauthier (SLAC National Accelerator Laboratory) Chandra Curry (SLAC National Accelerator Laboratory) Benjamin Ofori-Okai (SLAC National Accelerator Laboratory) Christopher Schoenwaelder (SLAC National Accelerator Laboratory) Bob Nagler (SLAC National Accelerator Laboratory) Adrien Descamps (SLAC National Accelerator Laboratory) Giulio Monaco (University of Trento, Italy) Ulf Zastrau (European XFEL) Sebastian Goede (European XFEL) Rigby Alexandra (University of Oxford) Peihao Sun (SLAC National Accelerator Laboratory)

Description

Bound-free contributions to X-ray Thomson scattering, or nonresonant inelastic X-ray scattering from core or semi-core electrons, is a powerful technique to probe matter in extreme conditions. Here we present measurements of high signal-to-noise, spectrally resolved X-ray scattering from cryogenic solid Argon, enabling future studies of ionization, densities, temperatures, and conductivity dynamics from ps-laser driven samples approaching material temperatures of 1 eV. Our results show energy resolved measurements of incoherent X-ray scattering with unprecedented dynamic range using a 120 Hz coherent X-ray laser coupled with a novel Argon micro-jet platform. Measurements were performed using a energy-dispersive spectrometer equipped with a Highly Annealed Pyrolytic Graphite (HAPG) crystal in combination with a Cornell-SLAC Pixel Array Detector (CSPAD) that was configured in the von Hamos geometry.

Primary author

Luke Fletcher (SLAC National Accelerator Laboratory)

Co-authors

Siegfried Glenzer (SLAC National Accelerator Laboratory) Bastian Witte (SLAC National Accelerator Laboratory) Emma McBride (AC National Accelerator Laboratory) Thomas White (University of Nevada Reno) Gianluca Gregori (University of Oxford) Jongjin Kim (SLAC National Accelerator Laboratory) Maxence Gauthier (SLAC National Accelerator Laboratory) Chandra Curry (SLAC National Accelerator Laboratory) Benjamin Ofori-Okai (SLAC National Accelerator Laboratory) Christopher Schoenwaelder (SLAC National Accelerator Laboratory) Bob Nagler (SLAC National Accelerator Laboratory) Adrien Descamps (SLAC National Accelerator Laboratory) Giulio Monaco (University of Trento, Italy) Ulf Zastrau (European XFEL) Sebastian Goede (European XFEL) Rigby Alexandra (University of Oxford) Peihao Sun (SLAC National Accelerator Laboratory)

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