Phase Space Painting and H- Stripping Injection

Authors

  • Chiara Bracco

DOI:

https://doi.org/10.23730/CYRSP-2018-005.141

Keywords:

Multi-turn injection, charge exchange, high power, stripping foil, phase space painting

Abstract

The achievable hadron beam density at injection can be limited by space charge or by the capacity of the injectors.Conventional multi-turn injection allows to augment the total intensity but determines also a linear increase of the beamemittance with the number of injected turns and is characterised by high losses at the septum.
These limits can be overcome with the H$^-$ charge exchange injection technique and high power beams can be produced.
The combination with transverse and/or longitudinal phase space painting allow to control the size and distribution of the injected particles and minimise the number of foil hits for the circulating beam. In the following, the H- charge exchange technique is described in detail together with the related hardware, main achievements and complications.

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Published

2018-12-20

Issue

Vol. 5 (2018): Proceedings of the CAS-CERN Accelerator School on Beam Injection, Extraction and Transfer

Section

Submission to the proceedings of the CAS2017 - Beam Injection, Extraction and Transfer

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