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Proceedings Paper

Investigations of cumulative beam breakup in radio-frequency linacs
Author(s): Courtlandt L. Bohn; Jean R. Delayen
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Paper Abstract

1407_60 An analytic model of cumulative beam breakup has been developed which is applicable to both low-velocity ion and high-energy electron linear accelerators. The model includes arbitrary velocity, acceleration, focusing, initial conditions, beam-cavity resonances, and variable cavity geometry and spacing along the accelerator. Both the steady-state and transient displacements of the beam bunches are calculated. As examples, the solution is applied to hypothetical high-current ion accelerators comprised of superconducting coaxial half-wave resonators. The steady-state transverse motion of particles comprising a longitudinal halo between bunches is also calculated, and effects of nonzero bunch length and arbitrary bunch shape are investigated. The role of focusing in controlling beam breakup is quantified for these cases.

Paper Details

Date Published: 1 April 1991
PDF: 12 pages
Proc. SPIE 1407, Intense Microwave and Particle Beams II, (1 April 1991); doi: 10.1117/12.43530
Show Author Affiliations
Courtlandt L. Bohn, Argonne National Lab. (United States)
Jean R. Delayen, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 1407:
Intense Microwave and Particle Beams II
Howard E. Brandt, Editor(s)

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