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Thomson scattering from a Z-pinch discharge in helium Hilko, Brian Kent


The plasma of a Z-pinch discharge formed in helium is investigated by Thomson scattering of ruby laser light. Measurements were made at a position 3 cm off axis where radial motion of the collapsing plasma shell is arrested. Preliminary results show that the peak electron density in the plasma shell is ~3 x 10¹⁶ cm⁻³ with a temperature of 1.7 eV. Both the ion and electron feature of the scattered profile were observed.

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