Previous time- and space-resolved x-ray measurements on a small gas-puff Z pinch indicated the presence of bursts of energetic electron beam and related ‘‘hot spots’’—high-temperature, high-density plasma regions. Spectra taken from these hot spots are consistent with a plasma of electron density about 1022–1023 cm−3 and electron temperature of 500 eV. Here we present time correlation of the hard x-ray emission from the anode with large fluctuations in İ and with short bursts of intense soft x rays. These soft x-ray bursts originating from the hot spots are shown always to be preceded by hard x-ray emissions. Using suitable apertures, the plasma is shown to be a source of hard x rays, <2.5 Å. This is confirmed by x-ray pinhole photographs. By varying the Z of the anode the electron beam associated with hard x-ray emission is found to be of low energy (10 keV) agreeing with previous measurements. In particular a plastic, PTFE (Teflon), is shown to be a suitable material for the anode, with superior lifetime performance compared with conventional metallic substances.
No takes yet. Share an insight, caveat, or question.
Choi et al. (1986) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: