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An equivalent circuit model and power calculations for the APS SPX crab cavities.

By T. (Accelerator Systems Division (APS)) Berenc

Abstract

An equivalent parallel resistor-inductor-capacitor (RLC) circuit with beam loading for a polarized TM110 dipole-mode cavity is developed and minimum radio-frequency (rf) generator requirements are calculated for the Advanced Photon Source (APS) short-pulse x-ray (SPX) superconducting rf (SRF) crab cavities. A beam-loaded circuit model for polarized TM110 mode crab cavities was derived. The single-cavity minimum steady-state required generator power has been determined for the APS SPX crab cavities for a storage ring current of 200mA DC current as a function of external Q for various vertical offsets including beam tilt and uncontrollable detuning. Calculations to aid machine protection considerations were given

Topics: Advanced Photon Source, Crabs, Cavities, Storage Rings, 43 Particle Accelerators, Equivalent Circuits
Publisher: Argonne National Laboratory
Year: 2012
DOI identifier: 10.2172/1037971
OAI identifier:
Provided by: UNT Digital Library
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