Speaker
Christian Goffing
(European Organization for Nuclear Research)
Description
The Large Hadron Collider (LHC) is a circular hadron collider for high-energy particle physics. Off-centre beam passage through quadrupoles results in additional deflection, which needs to be compensated by corrector magnets. Beam-based alignment is an option to reduce the beam offset in the quadrupoles by using an estimate for the Beam Position Monitor (BPM) to magnet offset as reference for the orbit feedback. The in-series powered LHC arc quadrupoles do not allow the variation of the quadrupole strength of individual magnets, this requires a parallel approach for the beam-based alignment. Various approaches based on k-modulation for parallel beam-based alignment are considered.
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Author
Christian Goffing
(European Organization for Nuclear Research)
Co-authors
Anke-Susanne Mueller
(Karlsruhe Institute of Technology)
Jacqueline Keintzel
(European Organization for Nuclear Research)
Jorg Wenninger
(European Organization for Nuclear Research)
Michi Hostettler
(European Organization for Nuclear Research)