Physics – Accelerator Physics
Scientific paper
1997-09-09
Conf.Proc.C970512:2023,1997
Physics
Accelerator Physics
3 pages, 8 figures, New Diagnostic techinique
Scientific paper
Projections of charged particle beam current density (profiles) are frequently used as a measure of beam position and size. In conventional practice only two projections, usually horizontal and vertical, are measured. This puts a severe limit on the detail of information that can be achieved. A third projection provides a significant improvement. The Algebraic Reconstruction Technique (ART) uses three or more projections to reconstruct 3-dimensional density profiles. At the 200 MeV H- linac, we have used this technique to measure beam density, and it has proved very helpful, especially in helping determine if there is any coupling present in x-y phase space. We will present examples of measurements of current densities using this technique.
Alessi J.
Kponou Ahovi
Raparia D.
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