| Paper | Title | Page |
|---|---|---|
MOP029 |
A Novel Design of a Dielectric-filled Cavity BPM for HUST-PTF | |
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| To guarantee proton therapy safety and effectivity, non-invasive beam diagnostic¿NBD¿ devices are mandatory to precisely monitor the beam parameters during patient treatment. However, the clinical proton beams have characters of low currents and frequencies, which impose challenges for the design to improve the diagnosis resolution. A dielectric-filled racetrack cavity-type BPM has been studied deeply to compact its size while maintaining high diagnosis sensitivity. Moreover, the cross-talk between X and Y directions is effectively suppressed to ensure the diagnosis precision. The simulation and calculation results show that the cavity BPM has sufficient position sensitivity and signal-to-noise ratio. The signal-to-noise ratio can ba as large as 16.2 even when the beam intensity is 0.35 nA. The design studies results show that the dielectric-filled racetrack cavity is a potential candidate for a non-destructive beam position detector in HUST-PTF. | ||
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