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CERN Accelerating science

Published Articles
Report number CERN-ACC-2016-0102
Title Intensity effects in the formation of stable islands in phase space during the multi-turn extraction process at the CERN PS
Author(s) Machida, Shinji (Rutherford) ; Prior, Chris (Rutherford) ; Gilardoni, Simone (CERN) ; Giovannozzi, Massimo (CERN) ; Hirlander, Simon (CERN ; TU Vienna) ; Huschauer, Alexander (CERN ; TU Vienna)
Publication 2016
Imprint 25 Jul 2016
Number of pages 5
In: 57th ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, Malmö, Sweden, 3 - 8 Jul 2016, pp.TUAM7X01
DOI 10.18429/JACoW-HB2016-TUAM7X01
Subject category Accelerators and Storage Rings ; Accelerators and Storage Rings
Accelerator/Facility, Experiment CERN PS
Project CERN MTE
Free keywords CERN MTE, ; CERN PS, ; Intensity effects
Abstract The CERN PS utilises a Multi-Turn Extraction (MTE) scheme to stretch the beam pulse length to optimise the filling process of the SPS. MTE is a novel technique to split a beam in transverse phase space into nonlinear stable islands. The recent experimental results indicate that the positions of the islands depend on the total beam intensity. Particle simulations have been performed to understand the detailed mechanism of the intensity dependence. The analysis carried out so far suggests space charge effects through image charges and image currents on the vacuum chamber and the magnets iron cores dominate the observed behaviour. In this talk, the latest analysis with realistic modelling of the beam environment is discussed and it is shown how this further improves the understanding of intensity effects in MTE.
Copyright/License CC-BY-3.0

Corresponding record in: Inspire
Email contact: elodie.kurzen@cern.ch


 Registro creado el 2016-07-25, última modificación el 2024-02-23


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