Speaker
Description
The emission of transition radiation as a relativistic beam passes through a metallic foil usually has negligible impact on the high-energy beam itself. However, if the beam has very high current, such as those from the FACET-II facility, the near-field of the transition radiation can provide a strong focusing force on the beam which can be enhanced by passing through multiple closely spaced foils. This extreme focusing of high-energy beams opens a new physics frontier with unprecedented beam densities, potentially approaching that of a solid. The E-332 experiment at SLAC National Accelerator Laboratory has reached a first critical milestone with the experimental demonstration of this focusing effect from the collective interaction between a high-energy beam and a multifoil target. This result and future plans will be presented at the conference.
Funding Agency
FACET-II is supported in part by the U.S. DOE under contract number DE-AC02-76SF00515. This work has also been supported by the France-Stanford Center for Interdisciplinary Studies.
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