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This document discusses the necessity of enlarging quadrupoles in extraction regions to handle large beam excursions. The main focus is on designing quadrupoles with coil window passages that only have linear fields. Discussions from B. Goddard and PS2 WG Meeting on June 17, 2014, address the importance of accommodating injected and extracted beams' movements.
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Other thoughts B. Goddard, PS2 WG Meeting Quadrupole design • Enlarged quadrupoles (assumed to be designed with coil window passages where only linear fields are present) will be required in the extraction regions, to accommodate the large excursions associated with the injected and extracted beams. Main gap SPS QDA