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Title: Space-charge driven emittance growth in a 3D mismatched anisotropic beam

Abstract

In this paper we present a 3D simulation study of the emittance growth in a mismatched anisotropic beam. The equipartitioning driven by a 4th order space-charge resonance can be significantly modified by the presence of mismatch oscillation and halo formation. This causes emittance growth in both the longitudinal and transverse directions which could drive the beam even further away from equipartition. The averaged emittance growth per degree freedom follows the upper bound of the 2D free energy limit plus the contributions from equipartitioning.

Authors:
; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Director. Office of Science. High Energy Physics (US)
OSTI Identifier:
821752
Report Number(s):
LBNL-51807
R&D Project: 453401; TRN: US0401036
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Conference
Resource Relation:
Conference: 2003 Particle Accelerator Conference, Portland, OR (US), 05/12/2003--05/16/2003; Other Information: PBD: 3 Dec 2002
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; ACCELERATORS; FREE ENERGY; OSCILLATIONS; RESONANCE; SIMULATION; SPACE CHARGE; MISMATCH OSCILLATION HALO FORMATION EQUIPARTITION

Citation Formats

Qiang, J., Ryne, R.D., and Hofmann, I.. Space-charge driven emittance growth in a 3D mismatched anisotropic beam. United States: N. p., 2002. Web.
Qiang, J., Ryne, R.D., & Hofmann, I.. Space-charge driven emittance growth in a 3D mismatched anisotropic beam. United States.
Qiang, J., Ryne, R.D., and Hofmann, I.. Tue . "Space-charge driven emittance growth in a 3D mismatched anisotropic beam". United States. https://www.osti.gov/servlets/purl/821752.
@article{osti_821752,
title = {Space-charge driven emittance growth in a 3D mismatched anisotropic beam},
author = {Qiang, J. and Ryne, R.D. and Hofmann, I.},
abstractNote = {In this paper we present a 3D simulation study of the emittance growth in a mismatched anisotropic beam. The equipartitioning driven by a 4th order space-charge resonance can be significantly modified by the presence of mismatch oscillation and halo formation. This causes emittance growth in both the longitudinal and transverse directions which could drive the beam even further away from equipartition. The averaged emittance growth per degree freedom follows the upper bound of the 2D free energy limit plus the contributions from equipartitioning.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 03 00:00:00 EST 2002},
month = {Tue Dec 03 00:00:00 EST 2002}
}

Conference:
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