Fluorocarbon Stripping of Low Beta Heavy Ions

Abstract
Equilibrium charge state distributions were measured for Kr, Xe, Ho and Pb ions at energies from 25 to 160 keV/amu passing through a high molecular weight fluorocarbon vapor, as well as air and carbon foil strippers. Measured charge state distributions are given which show that the fluorocarbon distributions are intermediate between those of air and foil strippers, becoming closer to foil values as velocity is decreased. At all energies substantial asymmetry in the fluorocarbon distributions towards higher charge states were observed. These favorable distributions, coupled with very high beam handling capability, low maintenance and indefinite lifetime clearly indicate the value of fluorocarbon stripping for many accelerator applications.

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