TUAM6X01
GSI, Darmstadt, Germany
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TUAM6X01 |
Space Charge Effects on the Third Order Coupled Resonance | |
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| The effect of space charge on bunches stored for long term in a nonlinear lattice can be severe for beam survival. This may be the case in projects as SIS100 at GSI or LIU at CERN. In 2012, for the first time, the effect of space charge on a normal third order coupled resonance was investigated at the CERN-PS. The experimental results have highlighted an unprecedented asymmetric beam response where in the horizontal plane the beam exhibits a thick halo, whereas the vertical profile has only core growth. The quest for explaining these results requires a journey thorough the 4 dimensional dynamics of the coupled resonance investigating the fix-lines, and requires a detailed code-experiment benchmarking also including beam profile benchmarking. This study shows that the experimental results of the 2012 PS measurements can be explained by the dynamics the fixed lines also including the effect of the chromaticity. This open the way for studying the effect of space charge on any high order sum nonlinear coupled resonance. | ||
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Slides TUAM6X01 [7.187 MB] | |