| Paper | Title | Page |
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WEPP011 |
Calibration for 60 Sets of SCL3 BPM and Electronics in RAON | |
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| RAON (Rare isotope accelerator complex for On-line experiments) is an accelerator to produce heavy ion such as uranium, oxygen, and proton. Required transverse position resolution and accuracy on RAON for BPM are 150 um and is 400 um, respectively. BPM fabrication error, ADC gain of electronics and cable characteristics are related to the resolution and the accuracy. Electronics of Mobiis measure positions with IQ method for 1st, 2nd and 3rd harmonic frequencies of 81.25 MHz. Considering the frequency dependence of BPMs and electronics, and the correlation between each BPM and electronics, we obtained calibration factors for 60 BPMs and 60 electronics for three frequency harmonic components. The merits of this way, three frequencies can be selected to measure the beam positions depending on beam energy, and the BPM and electronics can be switched to other devices. In this poster we present a calibration results for 60 sets of BPM, electronics by off-line test. | ||
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