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Title: Multipass Simulations of Space Charge Compensation using Electron Columns at IOTA

Abstract

Defocusing repulsive forces due to self space charge fields lead to degradation of high-intensity particle beams. Being of particular concern for low- and medium-energy proton beams, they result in emittance growth, beam halo formation, and beam loss. They set stringent limits on the intensity of frontier accelerators; therefore, the mitigation of space charge effects is a crucial challenge to improve proton beam intensity. The space charge effects in a positively charged proton beam can be effectively compensated using negatively charged electron columns. In this paper, we present the results of simulations using Synergia of the Electron Column lattice for IOTA. Beam loss due to space charge effects and aperture restrictions have been studied, as well as bunch formation and matching using an adiabatic ramp of the RF cavity. The results show the need for space charge compensation, and provide the basis for integration of the Synergia and Warp codes in order to form a complete simulation of space charge compensation using an Electron Column in IOTA.

Authors:
ORCiD logo [1];  [2];  [2]; ORCiD logo [3];  [3]; ORCiD logo [1]
  1. Fermilab
  2. Northern Illinois U.
  3. LBNL, Berkeley
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1568874
Report Number(s):
FERMILAB-CONF-19-451-SCD
oai:inspirehep.net:1745546
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: 10th International Particle Accelerator Conference, Melbourne, Australia, 05/19-05/24/2019
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Park, Chong Shik, Chattopadhyay, Swapan, Freemire, Ben, Mitchell, Chad, Ryne, Robert, and Stern, Eric. Multipass Simulations of Space Charge Compensation using Electron Columns at IOTA. United States: N. p., 2019. Web. doi:10.18429/JACoW-IPAC2019-WEPTS083.
Park, Chong Shik, Chattopadhyay, Swapan, Freemire, Ben, Mitchell, Chad, Ryne, Robert, & Stern, Eric. Multipass Simulations of Space Charge Compensation using Electron Columns at IOTA. United States. doi:10.18429/JACoW-IPAC2019-WEPTS083.
Park, Chong Shik, Chattopadhyay, Swapan, Freemire, Ben, Mitchell, Chad, Ryne, Robert, and Stern, Eric. Mon . "Multipass Simulations of Space Charge Compensation using Electron Columns at IOTA". United States. doi:10.18429/JACoW-IPAC2019-WEPTS083. https://www.osti.gov/servlets/purl/1568874.
@article{osti_1568874,
title = {Multipass Simulations of Space Charge Compensation using Electron Columns at IOTA},
author = {Park, Chong Shik and Chattopadhyay, Swapan and Freemire, Ben and Mitchell, Chad and Ryne, Robert and Stern, Eric},
abstractNote = {Defocusing repulsive forces due to self space charge fields lead to degradation of high-intensity particle beams. Being of particular concern for low- and medium-energy proton beams, they result in emittance growth, beam halo formation, and beam loss. They set stringent limits on the intensity of frontier accelerators; therefore, the mitigation of space charge effects is a crucial challenge to improve proton beam intensity. The space charge effects in a positively charged proton beam can be effectively compensated using negatively charged electron columns. In this paper, we present the results of simulations using Synergia of the Electron Column lattice for IOTA. Beam loss due to space charge effects and aperture restrictions have been studied, as well as bunch formation and matching using an adiabatic ramp of the RF cavity. The results show the need for space charge compensation, and provide the basis for integration of the Synergia and Warp codes in order to form a complete simulation of space charge compensation using an Electron Column in IOTA.},
doi = {10.18429/JACoW-IPAC2019-WEPTS083},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {6}
}

Conference:
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