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Reduction of stored beam oscillations during injection at Diamond Light Source

DOI: 10.18429/JACoW-IPAC2019-WEPMP042 DOI Help

Authors: R. T. Fielder (Diamond Light Source) , M. Apollonio (Diamond Light Source) , R. Bartolini (Diamond Light Source) , C. Bloomer (Diamond Light Source) , I. P. S. Martin (Diamond Light Source)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: IPAC2019
Peer Reviewed: No

State: Published (Approved)
Published: June 2019

Open Access Open Access

Abstract: At Diamond injection is performed by means a of a four kicker off-axis system, relying on a perfect timing and amplitude setting to produce a closed bump. Ageing of some of the kicker vessel components has progressively spoiled the performance of the system, causing oscillations in the stored beam. Various schemes to control these oscillations have been considered including introducing an additional compensating kicker, and installing a non-linear injection kicker. Results of simulations analysing these schemes are presented, along with measurements taken in the storage ring using an existing pinger magnet. The effects of the reduction on the quality of beam seen by beamlines is also considered.

Subject Areas: Technique Development

Technical Areas: Magnets