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Measurement of beam properties and reproducibility on recent PBFA II target shots

Journal Article · · Review of Scientific Instruments; (United States)
DOI:https://doi.org/10.1063/1.1143493· OSTI ID:7009014
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  1. Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)

Recent proton experiments on Particle Beam Fusion Accelerator II used a 2 {mu}m gold foil cone to characterize the ion beam. Using the ion beam images obtained by viewing beam-induced characteristic line radiation emitted by such foils with time-integrated x-ray pinhole cameras, the beam centroid axial location and azimuthal symmetry have been analyzed for a recent series of target shots. Azimuthal symmetry on the target midplane on individual shots varied from 6% to 29%. Averaged over the entire series of shots, inferred intensities on the target midplane varied by 24% to 37% from quadrant to quadrant. The beam profiles and beam reproducibility are vital to the interpretation of the results of these target experiments.

DOE Contract Number:
AC04-76DP00789
OSTI ID:
7009014
Journal Information:
Review of Scientific Instruments; (United States), Journal Name: Review of Scientific Instruments; (United States) Vol. 63:10; ISSN RSINA; ISSN 0034-6748
Country of Publication:
United States
Language:
English