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Title: Core-halo limit and internal dynamics of high intensity beams

Abstract

The dynamics of high-intensity beams largely depends on their internal space charge forces. These forces are responsible of non-linear coupling, emittance growth, and halo generation. They contribute to shape the beam density profile. As a consequence, an analysis of this profile can be a precious indicator capable of revealing the internal dynamics of the beam. This paper recalls the precise core-halo limit determination proposed earlier, then studies its behavior through a wide range of beam profiles, and finally shows its relevance as an indicator of the limit separating the two space charge field regimes of the core and the halo.

Authors:
; ; ; ;  [1]
  1. CEA/DSM/IRFU, Centre de Saclay, 91191 Gif-sur-Yvette Cedex (France)
Publication Date:
OSTI Identifier:
22490084
Resource Type:
Journal Article
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 22; Journal Issue: 8; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1070-664X
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; BEAM EMITTANCE; BEAM PROFILES; BEAMS; COUPLING; NONLINEAR PROBLEMS; SPACE CHARGE

Citation Formats

Nghiem, P. A. P., Valette, M., Chauvin, N., Pichoff, N., and Uriot, D. Core-halo limit and internal dynamics of high intensity beams. United States: N. p., 2015. Web. doi:10.1063/1.4929795.
Nghiem, P. A. P., Valette, M., Chauvin, N., Pichoff, N., & Uriot, D. Core-halo limit and internal dynamics of high intensity beams. United States. https://doi.org/10.1063/1.4929795
Nghiem, P. A. P., Valette, M., Chauvin, N., Pichoff, N., and Uriot, D. 2015. "Core-halo limit and internal dynamics of high intensity beams". United States. https://doi.org/10.1063/1.4929795.
@article{osti_22490084,
title = {Core-halo limit and internal dynamics of high intensity beams},
author = {Nghiem, P. A. P. and Valette, M. and Chauvin, N. and Pichoff, N. and Uriot, D.},
abstractNote = {The dynamics of high-intensity beams largely depends on their internal space charge forces. These forces are responsible of non-linear coupling, emittance growth, and halo generation. They contribute to shape the beam density profile. As a consequence, an analysis of this profile can be a precious indicator capable of revealing the internal dynamics of the beam. This paper recalls the precise core-halo limit determination proposed earlier, then studies its behavior through a wide range of beam profiles, and finally shows its relevance as an indicator of the limit separating the two space charge field regimes of the core and the halo.},
doi = {10.1063/1.4929795},
url = {https://www.osti.gov/biblio/22490084}, journal = {Physics of Plasmas},
issn = {1070-664X},
number = 8,
volume = 22,
place = {United States},
year = {Sat Aug 15 00:00:00 EDT 2015},
month = {Sat Aug 15 00:00:00 EDT 2015}
}