Simulation of bunch precompression at high currents in the SLC damping rings

In the Stanford Linear Collider (SLC) each beam, after leaving a damping ring, is compressed in the Ring-to-Linac (RTL) transfer line before entering the linear accelerator. At a bunch population of 4.0/spl times/10/sup 10/ particles, due to the limited energy acceptance of the RTL, approximately 15...

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Bibliographic Details
Main Authors: Bane, K.L.F., Minty, M.G., Chao, A.W.
Format: Conference Proceeding
Language:English
Subjects:
Chaos
Colliding beam accelerators
Colliding beam devices
Damping
Displays
Linear accelerators
Particle beams
Shape measurement
Synchrotrons
Voltage
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Summary:In the Stanford Linear Collider (SLC) each beam, after leaving a damping ring, is compressed in the Ring-to-Linac (RTL) transfer line before entering the linear accelerator. At a bunch population of 4.0/spl times/10/sup 10/ particles, due to the limited energy acceptance of the RTL, approximately 15% of the beam has normally been lost. During the 1996 run, however, to eliminate this loss the bunch was partially precompressed in the damping ring, just before extraction; the beam loss in the RTL was reduced to almost zero. The operation and performance of precompression are presented by Minty et al. (1999). Also given is an analysis which, however, does not include the effects of the longitudinal wakefield on the beam dynamics. In this report we extend that analysis to include these effects.
DOI:10.1109/PAC.1997.751045