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Experience with the Pep-II RF System at High Beam Currents

Accelerator Physics 2007-05-23 v1

Abstract

The PEP-II B Factory Low-Level RF System (LLRF) is a fully programmable VXI based design running under an EPICS control environment. Several RF feedback loops are used to control longitudinal coupled-bunch modes driven by the accelerating mode of the RF cavities. This paper updates the performance of the LLRF system as beam currents reach design levels. Modifications which enhance the stability, diagnostics, and overall operational performance are described. Recent data from high current operation is included.

Keywords

Cite

@article{arxiv.physics/0007029,
  title  = {Experience with the Pep-II RF System at High Beam Currents},
  author = {P. Corredoura and S. Allison and W. Ross and R. Sass and R. Tighe},
  journal= {arXiv preprint arXiv:physics/0007029},
  year   = {2007}
}

Comments

3 pages. Presented at the 7th Annual European Particle Accelerator Conference (EPAC 2000), Austria Center Vienna, June 26-30, 200

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