Binding of Positive Ion Complexes to Quantized Vortex Rings in Liquid Helium II.

Experiments with Charged Quantized Vortex Rings in Superfluid Liquid Helium

The escape of positive ions from quantized vortex lines in superfluid helium

Quantized Vortex Rings in Superfluid Helium

Ions in rotating liquid helium II

Theory of The Interaction of Ions and Quantized Vortices in Rotating helium ii

Experiments On Charged Quantized Vortex Rings In He Ii.