Phys. Rev. ST Accel. Beams 9, 044403 (2006) [10 pages]Resistive hose growth of intense ion beams propagating in air
The growth of the resistive hose instability for intense proton beams is examined using three-dimensional particle-in-cell simulations. The simulation results are compared with a time-dependent model of resistive hose growth that uses a spread-mass formulation and a time-dependent conductivity model. Radius tailoring of the beam head is shown to suppress high-frequency instability growth. In addition, the effects of a reduced-density plasma channel on the growth of the resistive hose instability is calculated. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.9.044403
DOI:
10.1103/PhysRevSTAB.9.044403
PACS:
52.40.Mj, 52.65.Rr
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