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Persistent URL http://purl.org/net/epubs/work/46397105
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Record Id 46397105
Title Multi-objective Optimisation of 3D Beam Tracking in Electrostatic Beamlines
Abstract After CERN’s Long Shutdown 2 (LS2) the Extra Low Energy Antiproton (ELENA) ring will begin transporting extremely low energy (100 keV) antiproton beams to the antimatter experiments. To provide simultaneous operation and obtain the greatest efficiency, transfer lines will be based on electrostatic optics and short pulse (∼100 ns) deflection. Unfortunately, only a small number of simulation codes allow realistic and flexible implementation of such elements limiting our prediction capabilities of beam behaviour. In this contribution, methods for accurately modelling and tracking through electrostatic optical elements are presented, utilising a combination of finite element methods or experimental measurements with both a modified version of G4Beamline and BMAD. Multi-objective optimization techniques are used in order to achieve desirable lattice parameters and beam quality at various points along the transfer lines. Realistic beam distributions obtained via tracking around ELENA in the presence of collective effects and electron cooling are propagated along the optimized 3D transfer lines models.
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Language English (EN)
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Paper In Conference Proceedings In 10th International Particle Accelerator Conference (IPAC2019), Melbourne, Australia, 19-24 May 2019, (2019): 3263-3266. doi:10.18429/JACoW-IPAC2019-WEPTS060 2019