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Title: Numerical Study of Three Dimensional Effects in Longitudinal Space-Charge Impedance

Abstract

Longitudinal space-charge (LSC) effects are generally considered as detrimental in free-electron lasers as they can seed instabilities. Such “microbunching instabilities” were recently shown to be potentially useful to support the generation of broadband coherent radiation pulses [1, 2]. Therefore there has been an increasing interest in devising accelerator beamlines capable of sustaining this LSC instability as a mechanism to produce a coherent light source. To date most of these studies have been carried out with a one-dimensional impedance model for the LSC. In this paper we use a N-body “Barnes-Hut” algorithm [3] to simulate the 3D space charge force in the beam combined with elegant [4] and explore the limitation of the 1D model often used

Authors:
 [1];  [1]
  1. NICADD, DeKalb
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1250530
Report Number(s):
FERMILAB-CONF-15-225-APC
1408154
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: 6th International Particle Accelerator Conference, Richmond, Virginia, USA, 05/03-05/08/2015
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Halavanau, A., and Piot, P. Numerical Study of Three Dimensional Effects in Longitudinal Space-Charge Impedance. United States: N. p., 2015. Web.
Halavanau, A., & Piot, P. Numerical Study of Three Dimensional Effects in Longitudinal Space-Charge Impedance. United States.
Halavanau, A., and Piot, P. 2015. "Numerical Study of Three Dimensional Effects in Longitudinal Space-Charge Impedance". United States. https://www.osti.gov/servlets/purl/1250530.
@article{osti_1250530,
title = {Numerical Study of Three Dimensional Effects in Longitudinal Space-Charge Impedance},
author = {Halavanau, A. and Piot, P.},
abstractNote = {Longitudinal space-charge (LSC) effects are generally considered as detrimental in free-electron lasers as they can seed instabilities. Such “microbunching instabilities” were recently shown to be potentially useful to support the generation of broadband coherent radiation pulses [1, 2]. Therefore there has been an increasing interest in devising accelerator beamlines capable of sustaining this LSC instability as a mechanism to produce a coherent light source. To date most of these studies have been carried out with a one-dimensional impedance model for the LSC. In this paper we use a N-body “Barnes-Hut” algorithm [3] to simulate the 3D space charge force in the beam combined with elegant [4] and explore the limitation of the 1D model often used},
doi = {},
url = {https://www.osti.gov/biblio/1250530}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jun 01 00:00:00 EDT 2015},
month = {Mon Jun 01 00:00:00 EDT 2015}
}

Conference:
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