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Measurements of ionic structure in shock compressed lithium hydride from ultrafast X-Ray Thomson scattering

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Kritcher, A., Neumayer, P., Brown, C. R. D., Davis, P., Doeppner, T., Falcone, Roger W., Gericke, Dirk O., Gregori, Gianluca, Holst, Bastian, Landen, O. L., Lee, H. J., Morse, E. C., Pelka, A., Redmer, Ronald, Roth, Markus, Vorberger, Jan, Wuensch, K. and Glenzer, S. H.. (2009) Measurements of ionic structure in shock compressed lithium hydride from ultrafast X-Ray Thomson scattering. Physical Review Letters, Vol.103 (No.24). article no. 245004 . ISSN 0031-9007

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.103.245004

Abstract

We present the first ultrafast temporally, spectrally, and angularly resolved x-ray scattering measurements from shock-compressed matter. The experimental spectra yield the absolute elastic and inelastic scattering intensities from the measured density of free electrons. Laser-compressed lithium-hydride samples are well characterized by inelastic Compton and plasmon scattering of a K-alpha x-ray probe providing independent measurements of temperature and density. The data show excellent agreement with the total intensity and structure when using the two-species form factor and accounting for the screening of ion-ion interactions.

Item Type:

Journal Article

Subjects:

Q Science > QC Physics

Divisions:

Faculty of Science > Physics

Library of Congress Subject Headings (LCSH):

Lithium hydride, X-rays -- Scattering, Thomson scattering

Journal or Publication Title:

Physical Review Letters

Publisher:

American Physical Society

ISSN:

0031-9007

Official Date:

11 December 2009

Dates:

Date	Event
11 December 2009	Published

Volume:

Vol.103

Number:

No.24

Number of Pages:

Page Range:

article no. 245004

Identification Number:

10.1103/PhysRevLett.103.245004

Status:

Peer Reviewed

Publication Status:

Published

Funder:

United States. Dept. of Energy, Laboratory Directed Research and Development (LDRD), Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren [Helmholtz Association] (HGF), Deutsche Forschungsgemeinschaft (DFG), European Regional Development Fund (ERDF), Science and Technology Facilities Council (Great Britain) (STFC)

Grant number:

DE-AC52-07NA27344 (DoE), 08-ERI-002 (LDRD), 08-LW004 (LDRD), VH-VI-104 (HGF), SFB 652 (DFG), EP/G007187/1 (EPSRC), EP/D062837 (EPSRC)

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