Guiding of an electron beam from a rf accelerator by a laser-ionized channel

Abstract

The first guiding of multiple pulses from a rf accelerator by an ultraviolet-laser-ionized channel in low-pressure benzene has been demonstrated. In particular, two 5-ns, 750-A, 30-MeV pulses separated by 20 ns were transported a maximum distance of 13.5 m. Detailed measurements of the temporal behavior of the beam as it propagated versus distance, laser-channel parameters, and accelerator conditions were made.