DocumentCode
3218449
Title
LSP Simulations of the Neutralized Drift Compression Experiment
Author
Thoma, C.H. ; Welch, D.R. ; Eylon, S. ; Henestroza, E. ; Roy, P.K. ; Yu, S.S. ; Gilson, E.P.
Author_Institution
ATK-MR, Albuquerque, NM 87110, USA; Carsten.Thoma@atk.com
fYear
2005
fDate
16-20 May 2005
Firstpage
4006
Lastpage
4008
Abstract
The Neutralized Drift Compression Experiment (NDCX) at Lawrence Berkeley National Laboratory involves the longitudinal compression of a singly-stripped K ion beam with a mean energy of 280 keV in a meter long plasma. We present simulation results of compression of the NDCX beam using the PIC code LSP. The NDCX beam encounters an acceleration gap with a time-dependent voltage that decelerates the head and accelerates the tail of a 500 ns pulse which is to be compressed 130 cm downstream. Results show good longitudinal compression without significant emittance growth, but a time-dependent focal length limits the beam radius. An explanation is given for the sizable defocusing effect of the voltage gap. An envelope calculation including the time-dependent focusing effect is in good agreement with the LSP simulations.
Keywords
Acceleration; Ion beams; Laboratories; Particle beams; Physics; Plasma accelerators; Plasma density; Plasma simulation; Plasma temperature; Pulse compression methods;
fLanguage
English
Publisher
ieee
Conference_Titel
Particle Accelerator Conference, 2005. PAC 2005. Proceedings of the
Print_ISBN
0-7803-8859-3
Type
conf
DOI
10.1109/PAC.2005.1591698
Filename
1591698
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