Time resolved tune measurements and stability anaylsis of the Australian Synchtoron booster

T. Charles, M. Boland, R. Dowd, M. Spencer, Y. R E Tan

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Abstract

The Australian Synchrotron booster accelerates electrons from 100 MeV to 3 GeV in 600 ms. The fractional tune components that were measured are presented in two graphical formats showing the time-resolved measurement of the horizontal and vertical tunes. This experiment demonstrated that the current in the booster was extremely sensitive to the ratio of BF to BD combined-function magnets. Large variations of the fractional tunes were found to follow the differences in the gradients of the BD and BF combined-function magnet ramping curves and with this knowledge, alterations were made to the ramping table increasing the efficiency of the booster by an average of 40%. Rapid fluctuation of the tunes meant that it could not be distinguished during the first 80 ms of the ramp. Multiple side bands to the revolution harmonic were visible during a minimal sweep time of 5 ms, during this first 80 ms.

Original languageEnglish
Title of host publicationIPAC 2010 - 1st International Particle Accelerator Conference
Pages2472-2474
Number of pages3
Publication statusPublished - 2010
Event1st International Particle Accelerator Conference - Kyoto, Japan
Duration: 23 May 201028 May 2010
Conference number: 1

Conference

Conference1st International Particle Accelerator Conference
Abbreviated titleIPAC 2010
Country/TerritoryJapan
CityKyoto
Period23/05/1028/05/10

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