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Title: FULL ELECTROMAGNETIC SIMULATION OF COHERENT SYNCHROTRON RADIATION VIA THE LORENTZ-BOOSTED FRAME APPROACH

Abstract

Numerical simulation of some systems containing charged particles with highly relativistic directed motion can by speeded up by orders of magnitude by choice of the proper Lorentz-boosted frame. Orders of magnitude speedup has been demonstrated for simulations from first principles of laser-plasma accelerator, free electron laser, and particle beams interacting with electron clouds. Here we address the application of the Lorentz-boosted frame approach to coherent synchrotron radiation (CSR), which can be strongly present in bunch compressor chicanes. CSR is particularly relevant to the next generation of x-ray light sources and is simultaneously difficult to simulate in the lab frame because of the large ratio of scale lengths. It can increase both the incoherent and coherent longitudinal energy spread, effects that often lead to an increase in transverse emittance. We have adapted the WARP code to simulate CSR emission along a simple dipole bend. We present some scaling arguments for the possible computational speed up factor in the boosted frame and initial 3D simulation results.

Authors:
;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
Accelerator& Fusion Research Division
OSTI Identifier:
983784
Report Number(s):
LBNL-3538E
TRN: US1005378
DOE Contract Number:  
DE-AC02-05CH11231
Resource Type:
Conference
Resource Relation:
Conference: First International Particle Accelerator Conference, IPAC '10, Kyoto, Japan, 23-28 May 2010
Country of Publication:
United States
Language:
English
Subject:
43; ACCELERATORS; CHARGED PARTICLES; CLOUDS; COMPRESSORS; DIPOLES; ELECTRONS; EMISSION; ENERGY; FREE ELECTRON LASERS; LIGHT SOURCES; MOTION; PARTICLE BEAMS; PARTICLES; SCALING; SIMULATION; SYNCHROTRON RADIATION; VELOCITY; Coherent Synchrotron Emission, Lorentz Boosted-Frme Computation

Citation Formats

Fawley, William M, and Vay, Jean-Luc. FULL ELECTROMAGNETIC SIMULATION OF COHERENT SYNCHROTRON RADIATION VIA THE LORENTZ-BOOSTED FRAME APPROACH. United States: N. p., 2010. Web.
Fawley, William M, & Vay, Jean-Luc. FULL ELECTROMAGNETIC SIMULATION OF COHERENT SYNCHROTRON RADIATION VIA THE LORENTZ-BOOSTED FRAME APPROACH. United States.
Fawley, William M, and Vay, Jean-Luc. 2010. "FULL ELECTROMAGNETIC SIMULATION OF COHERENT SYNCHROTRON RADIATION VIA THE LORENTZ-BOOSTED FRAME APPROACH". United States. https://www.osti.gov/servlets/purl/983784.
@article{osti_983784,
title = {FULL ELECTROMAGNETIC SIMULATION OF COHERENT SYNCHROTRON RADIATION VIA THE LORENTZ-BOOSTED FRAME APPROACH},
author = {Fawley, William M and Vay, Jean-Luc},
abstractNote = {Numerical simulation of some systems containing charged particles with highly relativistic directed motion can by speeded up by orders of magnitude by choice of the proper Lorentz-boosted frame. Orders of magnitude speedup has been demonstrated for simulations from first principles of laser-plasma accelerator, free electron laser, and particle beams interacting with electron clouds. Here we address the application of the Lorentz-boosted frame approach to coherent synchrotron radiation (CSR), which can be strongly present in bunch compressor chicanes. CSR is particularly relevant to the next generation of x-ray light sources and is simultaneously difficult to simulate in the lab frame because of the large ratio of scale lengths. It can increase both the incoherent and coherent longitudinal energy spread, effects that often lead to an increase in transverse emittance. We have adapted the WARP code to simulate CSR emission along a simple dipole bend. We present some scaling arguments for the possible computational speed up factor in the boosted frame and initial 3D simulation results.},
doi = {},
url = {https://www.osti.gov/biblio/983784}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri May 21 00:00:00 EDT 2010},
month = {Fri May 21 00:00:00 EDT 2010}
}

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