TRANSVERSE STUDIES WITH IONS AT SPS FLAT BOTTOM
DOI:
https://doi.org/10.23727/CERN-Proceedings-2017-002.145Abstract
The LHC injectors upgrade project (LIU) aims at consolidating and upgrading the existing accelerator chain at CERN in view of the increased beam performance required for the High Luminosity LHC (HL-LHC) project. For the ion chain, the losses and emittance growth in the SPS impose presently the main performance limitation. The significant beam degradation encountered on the long injection plateau has been studied during the 2016 MD runs with Pb82+. In this report we present the systematic measurements of emittance, bunch length and transmission performed along the injection plateau for different bunch intensities. We present, as well, static and dynamic tune scans for the optimization of the working point and measurement of the loss rate at closeby resonances.
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2017-12-12
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