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Final Focus Solenoids Beam-Based Positioning Tests
2021
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The final focusing at the VEPP-2000 electron-positron collider is done by 13 T superconducting solenoids. The misalignment of solenoids not only provides closed orbit distortions but also harmful for dynamic aperture reduction due to strong nonlinear fringe fields. The final beam-based alignment of solenoids was foreseen but turned out to be not a trivial procedure. Here we present the test study of solenoids positioning reconstruction procedure based on circulating beam orbit responses.
doi:10.18429/jacow-ipac2021-tupab003
fatcat:566n2ntryzc2jamsa2ec3zjbs4