Volume 128, Number 1, October 2019
|Number of page(s)||7|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||20 November 2019|
Barrier bucket and transversely split beams for loss-free multi-turn extraction in synchrotrons
1 Beams Department, CERN - 1211 Geneva 23, Switzerland
2 Queen Mary University of London - London E1 4NS, UK
3 Engineering Department, CERN - 1211 Geneva 23, Switzerland
Received: 26 March 2019
Accepted: 16 September 2019
A special radio-frequency manipulation has been studied and successfully implemented at the CERN Proton Synchrotron for the first time. This technique aims at depleting a well-defined fraction of a continuous longitudinal beam distribution by creating a so-called barrier bucket. In addition to the intrinsic interest for its originality, this approach has an immediate application at CERN in combination with the Multi-Turn Extraction scheme. The combination of these two exotic techniques into a single, highly sophisticated process allows to dramatically reduce the beam loss at PS extraction, thus opening the door to the production of high-intensity proton beams for future fixed-target experiments at the CERN Super Proton Synchrotron.
PACS: 41.75.Lx – Other advanced accelerator concepts / 29.27.Bd – Beam dynamics; collective effects and instabilities / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2019
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