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X-ray scattering from dense plasmas

D Riley1, J J Angulo Gareta1, A Benuzzi-Mounaix2, M Esposito2, E Garcia Saiz1, C Gregory3, F Y Khattak1, M Koenig2, M J Lamb1, D McSherry1, D Neely4, M Notley4, N Ozaki2, M Rabec Le Gloahec2, A Ravassio2, K A Thornton1 and N C Woolsey3

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We review the potential of x-ray scattering as a dense plasma diagnostic and present data taken from experiments in which x-ray scattering from dense plasmas is developed as a diagnostic tool. In one type of experiment the scattered photons are detected as a function of angle using direct detection onto a CCD chip. Such experiments are designed primarily to observe the static ion–ion structure factor, which is expected to dominate the scattering for moderate to high Z plasmas at a few electronvolts temperature. In a second type of experiment we have used a curved crystal to observe spectrally resolved x-ray scattering at a fixed angle. This experiment was designed to observe the dynamical structure factor of the plasma.


PACS

52.59.Hq Dense plasma focus

52.25.Os Emission, absorption, and scattering of electromagnetic radiation

52.27.Lw Dusty or complex plasmas; plasma crystals

52.70.La X-ray and gamma-ray measurements

Subjects

Instrumentation and measurement

Plasma physics

Dates

Issue 12B (December 2005)

Received 1 July 2005

Published 8 November 2005



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