Beam size effects on beam position measurements in proton synchrotron
Takafumi Nakagawa
Abstract
Takafumi Nakagawa
Abstract
The three-dimensional surface electric charge method has been applied to calculate the effects of the beam size on the beam position measurements. We confirmed that the change of the beam size led to beam position errors. The calculated results were compared with experimental data, indicating the validity of the simulation. The output signal ratio of beam position monitor was smaller when the beam size was large in the horizontal direction. The proposed method can estimate the effects of the beam size when a beam cross section is given.
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The three-dimensional surface electric charge method has been applied to calculate the effects of the beam size on the beam position measurements. We confirmed that the change of the beam size led to beam position errors. The calculated results were compared with experimental data, indicating the validity of the simulation. The output signal ratio of beam position monitor was smaller when the beam size was large in the horizontal direction. The proposed method can estimate the effects of the beam size when a beam cross section is given.
Key concepts: Beam (structure), M squared, Beam diameter, Laser beam quality, Position (finance), Optics, Synchrotron, Beam divergence