Exploring the Potential of Resonance Islands and Bent Crystals for a Novel Slow Extraction from Circular Hadron Accelerators

TL;DR

This paper explores combining resonance islands and bent crystals to develop a new slow extraction method for circular hadron accelerators, aiming to reduce losses and improve efficiency in high-intensity beam applications.

Contribution

It introduces a novel technique that integrates resonance islands and bent crystals for slow extraction, enhancing beam manipulation and reducing device losses.

Findings

Resonance islands can be used for multiturn beam extraction.

Bent crystals improve collimation and extraction efficiency.

The combined approach shows promise for high-intensity applications.

Abstract

New developments in accelerator physics have broadened the set of available techniques for manipulating charged-particle beams. Adiabatic trapping and transport of beam in resonance islands has been studied and successfully implemented at the CERN Proton Synchrotron to perform multiturn extraction. Bent crystals have been successfully installed in the CERN Large Hadron Collider, improving the cleaning performance of the collimation system, and at the CERN Super Proton Synchrotron for reducing losses at the extraction septum in the case of slow extraction. In this paper, we discuss the potential of the combined use of resonance islands and bent crystals to devise a novel technique to perform slow extraction in circular hadron accelerators. The proposed approach is promising, particularly for applications with high-intensity beams, as it could dramatically reduce the losses on the extraction devices.