Further measurement of the track lengths of heavy ions in mica

Abstract

The track lengths in mica track detectors have been measured for Al, Ar, Ca, Cr, Ni, Se, Kr, and Ag ions, in the energy range 0–1.5 MeV/amu. The data from this study (which show departures from monotonic dependence of the range on projectile charge, mass and energy) and from a previous study have been compared with relevant theories for the stopping of heavy ions in matter. It is concluded that the Lindhard-Scharff-Schiott theory does not apply well to this range of ion masses and energies. A relationship between the track length and the energy, mass (charge) of the ion has been derived.