Abstract: The future intensity increase of fixed-target beams at CERN requires reducing the losses in the accelerator chain, in particular at extraction from the Proton Synchrotron. Depleting the line density of the transversely split beam using a special radiofrequency manipulation called the barrier bucket achieves this aim. The talk outlines the extraction process, summarises the implementation and presents the main results of simulations and measurements with beam.
About the speaker: Mihaly Vadai is an Electronic Engineer and senior Fellow, Systems Department at CERN, Switzerland. He has previously worked on embedded augmented reality radiation detection and a low cost muon detector. In the framework of a QMUL EECS and CERN SY joint PhD project developed firmware for a radiofrequency drive in the accelerator and took part in the implementation of a unique beam manipulation, which achieved a significant beam loss reduction for fixed-target beams in the CERN PS. His current work involves the analysis and optimisation of accelerator cycles for fixed-target beams in the CERN PS and SPS to provide higher intensity beams for physics experiments.
