Heidelberg 1999 – scientific programme
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P: Plasmaphysik
P 25: Dichte Plasmen (Poster)
P 25.6: Poster
Tuesday, March 16, 1999, 16:30–19:00, PY
Development of a pulsed ion beam spectrometer for diagnostics of dense plasmas — •D. Varentsov1,2, D.H.H. Hoffmann3,2, U. Neuner2, P. Spiller2, and A. Tauschwitz2 — 1K.G. Khlopin Institute, St.-Petersburg, Russia — 2GSI, Darmstadt — 3TU, Darmstadt
The measurements of energy loss and charge state of heavy ions after their interaction with dense plasmas offer the capability to serve as a useful diagnostic tool. By the use of a dispersive magnetic spectrometer together with a fast streak camera it is possible to measure time resolved energy loss and charge state distribution spectra of the heavy ion beam during the creation and expansion of the plasma that will provide quantitative information for understanding of the interaction phenomena between fast heavy ions and dense plasma.
Because of the high beam energy (10–50GeV) the strength of magnetic field needed for bending and focusing of the ions is of the order of 1 T or even higher. However, the conventional dipole magnets (including super-conductive) which can provide this strong magnetic field are rather big, heavy and expensive devices.
This work is devoted to the development of a compact spectrometer for plasma physics experiments at HHT experimental area at GSI. The spectrometer is based on a new generation of fast high-current pulsed magnetic lenses that allows to create extremely compact and un-expensive device producing strong pulsed magnetic fields with high field gradients.