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Thermal stabilization of low level RF distribution systems at SLAC

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4 Author(s)
D. McCormick ; Linear Accel. Center, Stanford Univ., CA, USA ; M. Ross ; T. Himel ; N. Spencer

Analysis of SLC accelerator operator activity, in particular control system knob turns, indicated poor thermal stability performance of the low level RF distribution system in the SLC injector and positron production complex. Daily drifts of up to 15° S-band delay, about 30 times the tolerance, were observed. In this paper we describe the tool used to track down and quantify operator knob turn activity, the low level RF distribution stabilization systems, and some fixes used to correct the problem. In order to identify poorly performing components, a beam timing or phase monitor diagnostic has been developed. Initial results from it are be presented

Published in:

Particle Accelerator Conference, 1993., Proceedings of the 1993

Date of Conference:

17-20 May 1993