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  • PhysRevSTAB.17.054401

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Reconstruction of lattice parameters and beam momentum distribution from turn-by-turn beam position monitor readings in circular accelerators

Research output: Contribution to journalJournal article

Published
  • Jonathan Gratus
  • Chris Edmonds
  • Kai Hock
  • Shinji Machida
  • Bruno Muratori
  • Ricardo Gallego Torromé
  • Andy wolski
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Article number054401
<mark>Journal publication date</mark>2/05/2014
<mark>Journal</mark>Physical Review Special Topics: Accelerators and Beams
Issue number5
Volume17
Number of pages9
Publication statusPublished
Original languageEnglish

Abstract

In high chromaticity circular accelerators, rapid decoherence of the betatron motion of a particle beam can make the measurement of lattice and bunch values, such as Courant-Snyder parameters and betatron amplitude, difficult. A method for reconstructing the momentum distribution of a beam from beam position measurements is presented. Further analysis of the same beam position monitor data allows estimates to be made of the Courant-Snyder parameters and the amplitude of coherent betatron oscillation of the beam. The methods are tested through application to data taken on the linear nonscaling fixed field alternating gradient accelerator, EMMA.

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This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Published by the American Physical Society