Measurement of beam properties and reproducibility on recent PBFA II target shots
作者:
A. R. Moats,
M. S. Derzon,
D. J. Johnson,
W. E. Nelson,
J. G. Pantuso,
C. L. Ruiz,
D. F. Wenger,
期刊:
Review of Scientific Instruments
(AIP Available online 1992)
卷期:
Volume 63,
issue 10
页码: 5065-5067
ISSN:0034-6748
年代: 1992
DOI:10.1063/1.1143493
出版商: AIP
数据来源: AIP
摘要:
Recent proton experiments on Particle Beam Fusion Accelerator II used a 2 &mgr;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.
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