Author: Yakimov, I.S.
Paper Title Page
WED04 Precise Analysis of Beam Optics at the VEPP-4M by Turn-by-Turn Betatron Phase Advance Measurement 79
 
  • I.A. Morozov, P.A. Piminov, I.S. Yakimov
    BINP SB RAS, Novosibirsk, Russia
 
  Turn-by-turn (TbT) beam centroid signals can be used to evaluate various relevant accelerator parameters including betatron frequencies and optical functions. Accurate estimation of parameters and corresponding variances are important to drive accelerator lattice correction. Signals acquired from beam position monitors (BPMs) are limited by beam decoherence and BPM resolution. Therefore, it is important to obtain accurate estimations from available data. Several methods based on harmonic analysis of TbT data are compared and applied to the VEPP-4M experimental signals. The accuracy of betatron frequency, amplitude, and phase measurements are investigated. Optical functions obtained from amplitudes and phases are compared.  
slides icon Slides WED04 [3.771 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-RuPAC2021-WED04  
About • Received ※ 12 September 2021 — Revised ※ 20 September 2021 — Accepted ※ 23 September 2021 — Issued ※ 20 October 2021
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