Collective instabilities and beam-plasma interactions in intense heavy ion beams

This paper presents a survey of the present theoretical understanding of collective processes and beam-plasma interactions affecting intense heavy ion beam propagation in heavy ion fusion systems. In the acceleration and beam transport regions, the topics covered include discussion of the conditions...

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Bibliographic Details
Published in:Physical review special topics. PRST-AB. Accelerators and beams 2004-11, Vol.7 (11), p.114801, Article 114801
Main Authors: Davidson, Ronald C., Kaganovich, Igor, Qin, Hong, Startsev, Edward A., Welch, Dale R., Rose, David V., Uhm, Han S.
Format: Article
Language:English
Subjects:
Dipoles
Electron beams
Heavy ions
Ion beams
Plasma
Plasma interactions
Propagation
Weibel instability
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Summary:This paper presents a survey of the present theoretical understanding of collective processes and beam-plasma interactions affecting intense heavy ion beam propagation in heavy ion fusion systems. In the acceleration and beam transport regions, the topics covered include discussion of the conditions for quiescent beam propagation over long distances; the electrostatic Harris-type instability and the transverse electromagnetic Weibel-type instability in strongly anisotropic, one-component non-neutral ion beams; and the dipole-mode, electron-ion two-stream instability driven by an (unwanted) component of background electrons. In the plasma plug and target chamber regions, collective processes associated with the interaction of the intense ion beam with a charge-neutralizing background plasma are described, including the electrostatic electron-ion two-stream instability, the electromagnetic Weibel instability, and the resistive hose instability. Operating regimes are identified where the possible deleterious effects of collective processes on beam quality are minimized.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.7.114801