Abstract:The CERN Proton Synchrotron Booster (PSB) has been known to suffer from horizontal instabilities since its early operation in the 1970s. These instabilities appear at specific beam energies and range of working points. The source of the instability and the reason why the instabilities appear at specific energies remained unidentified. However, in routine operation, the instabilities have not been limiting the PSB performance reach thanks to the use of a horizontal feedback system, which can suppress their onse… Show more
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