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Persistent URL http://purl.org/net/epubs/work/12273420
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Record Id 12273420
Title The PyZgoubi framework and the simulation of dynamic aperture in fixed-field alternating-gradient accelerators
Abstract We present PyZgoubi, a framework that has been developed based on the track- ing engine Zgoubi to model, optimise and visualise the dynamics in particle ac- celerators, especially fixed-field alternating-gradient (FFAG) accelerators. We show that PyZgoubi abstracts Zgoubi by wrapping it in an easy-to-use Python framework in order to allow simple construction, parameterisation, visualisation and optimisation of FFAG accelerator lattices. Its object oriented design gives it the flexibility and extensibility required for current novel FFAG design. We apply PyZgoubi to two example FFAGs; this includes determining the dynamic aperture of the PAMELA medical FFAG in the presence of magnet misalign- ments, and illustrating how PyZgoubi may be used to optimise FFAGs. We also discuss a robust definition of dynamic aperture in an FFAG and show its implementation in PyZgoubi.
Organisation ASTeC , ASTeC-IB , CI , STFC
Keywords EMMA
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Language English (EN)
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Journal Article Nucl Instrum Meth A 775 (2015): 15-26. doi:10.1016/j.nima.2014.11.067 2015