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Abstract
Conceptual design of heavy ion beam compression using a wedge
Highlights
Intense heavy ion beams possess unique capabilities in heating matter for the studies of high energy density physics (HEDP) [1,2,3,4] and inertial confinement fusion [5,6,7]
It should be noted that the results presented above concern beam ions passing through the thickest part of the wedge
The experiment has two objectives: (i) to verify the physics design for longitudinal beam compression; (ii) to enhance quantitative understanding of the beam-wedge interaction and its associated beam dynamics downstream of the wedge, which is crucial to the subsequent design of the final focusing system
Summary
Heavy ion beams are a useful tool for conducting high energy density physics (HEDP) experiments. A conceptual design is introduced to compress ∼100 MeV=u to ∼GeV=u heavy ion beams using a wedge. The resulting energy loss creates a head-to-tail velocity gradient, and the wedge shape can be designed by using stopping power models to give maximum compression at the target. The compression ratio at the target was found to vary linearly with (head-to-tail centroid offset/spot radius) at the wedge. The latter should be approximately 10 to attain tenfold compression. A test experiment is proposed to verify the compression scheme and to study the beam-wedge interaction and its associated beam dynamics, which will facilitate further efforts towards a HEDP facility
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