Hyperchanneling, an Axial Channeling Phenomenon

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Abstract
We have studied the behavior of 21.6-MeV I ions undergoing proper axial channeling (hyperchanneling) in Ag. Ions of this special class traverse the crystal within a single axial channel and as a result exhibit conspicuously lower energy losses and an order of magnitude smaller acceptance angles than ordinary axially channeled ions. Analysis of the results indicates that hyperchanneled ions provide a new means for studying multiple scattering radiation damage, and ion-atom potentials in solids.