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Physics of Plasmas / Volume 16 / Issue 12 / ARTICLES / Lasers, Particle Beams, Accelerators, Radiation Generation

Phys. Plasmas 16, 123107 (2009); http://dx.doi.org/10.1063/1.3271467 (10 pages)

Adiabatic formation of a matched-beam distribution for an alternating-gradient quadrupole lattice

Mikhail A. Dorf, Ronald C. Davidson, Edward A. Startsev, and Hong Qin

Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543, USA

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(Received 9 October 2009; accepted 13 November 2009; published online 22 December 2009)

The formation of a quasiequilibrium beam distribution matched to an alternating-gradient quadrupole focusing lattice by means of the adiabatic turn-on of the oscillating focusing field is studied numerically using particle-in-cell simulations. Quiescent beam propagation over several hundred lattice periods is demonstrated for a broad range of beam intensities and vacuum phase advances describing the strength of the oscillating focusing field. Properties of the matched-beam distribution are investigated. In particular, self-similar evolution of the beam density profile is observed over a wide range of system parameters. The numerical simulations are performed using the WARP particle-in-cell code.

© 2009 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. THEORETICAL MODEL AND ASSUMPTIONS
  3. QUIESCENT LOADING OF A BEAM DISTRIBUTION INTO AN ALTERNATING-GRADIENT QUADRUPOLE LATTICE
  4. SELF-SIMILAR EVOLUTION OF THE BEAM DENSITY PROFILE
  5. CONCLUSIONS

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KEYWORDS and PACS

Keywords

plasma diagnostics, plasma simulation, plasma-beam interactions

PACS

  • 52.40.Mj

    Particle beam interactions in plasmas

  • 52.70.-m

    Plasma diagnostic techniques and instrumentation

  • 52.65.-y

    Plasma simulation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3271467

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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