Abstract
A thorough parameter analysis of an electrostatic particle guide (EPG), constructed in the frame of a wider program for the study of nuclear stopping cross sections for slow heavy ions, has been performed. To obtain optimal performance for time-of-flight spectroscopy, the operational conditions of the system were studied in detail, using ∼ 100 keV alpha disintegration recoils. The parameters investigated were collector radial position, collector axial position, source radial position and wire voltage. Clear and sharp spectra with an energy resolving power of 1.5–3% fwhm, and transmission enhancement factors up to 300–400, were obtained.
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