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Electron Dynamics for High-Intensity Hollow Electron Beams Full article

Journal Journal of Instrumentation
ISSN: 1748-0221
Output data Year: 2021, Volume: 16, Number: 03, Article number : P03043, Pages count : 16 DOI: 10.1088/1748-0221/16/03/p03043
Tags Accelerator Applications; Accelerator modelling and simulations (multi-particle dynamics; single-particle dynamics)
Authors Rossi A. 1 , Nikiforov D. 2 , Arsentyeva M. 2 , Barnyakov A. 2 , Levichev A. 2
Affiliations
1 European Organization for Nuclear Research, Esplanade des Particules 1, Meyrin, Geneva, Switzerland
2 Budker Institute of Nuclear Physics, 11, Acad. Lavrentieva Pr., Novosibirsk, 630090 Russian Federation

Abstract: Hollow Electron Lenses (HEL) will be installed at the High Luminosity Large Hadron Collider to provide a continuous and controlled depletion of beam halo particles by interaction with a superimposed hollow electron beam, of intensity as high as 5 A, and radii 1.1–2.2 mm for 7 TeV LHC operations. In this paper, issues related to the propagation of high intensity hollow electron beams are discussed and the simulations of the electron beam dynamics with feedback to the HEL design are presented. The main results are the rise of the electron beam accelerating voltage from 10 kV, as in the initial proposal, to 15 kV and the validation of the 5 T magnetic field at the main solenoids as being sufficient to guarantee a stable electron beam.
Cite: Rossi A. , Nikiforov D. , Arsentyeva M. , Barnyakov A. , Levichev A.
Electron Dynamics for High-Intensity Hollow Electron Beams
Journal of Instrumentation. 2021. V.16. N03. P03043 :1-16. DOI: 10.1088/1748-0221/16/03/p03043 WOS Scopus AN OpenAlex
Dates:
Submitted: Mar 8, 2021
Accepted: Mar 10, 2021
Published print: Mar 31, 2021
Published online: Mar 31, 2021
Identifiers:
Web of science: WOS:000636786100031
Scopus: 2-s2.0-85104736328
Chemical Abstracts: 2021:1214146
OpenAlex: W3149552315
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