Speaker
Description
The advanced light source booster synchrotron accelerates electrons from 50MeV to 1.9 GeV in 0.4 second before transfer to the storage ring. It has operated reliably over the last 30 years, now requiring minimal maintenance and without the need for major study or improvement. During operation, the 32 corrector magnets are not used, and operators do not even need to use the Beam position monitors. The ALS-U project will replace the storage ring and will provide beams of exceptionally low emittance, allowing major improvements to the light provided to beam line users. But the booster, already with new main magnet power supplies will continue to operate into its 4th decade of service. But to better understand the booster, a study has been carried out to further investigate the beam dynamics of this machine, and compare theoretical to actual performance. These measurements also give a good indication of energy stability of our Linac. Using the BPMs in the transport lines and booster we have been able to monitor both the orbit and energy stability of the injection system and measure booster tunes. The results improve our confidence that the booster will meet and even exceed the requirements the new machine.
Funding Agency
This manuscript has been authored by an author at Lawrence Berkeley National Laboratory under Contract No. DE-AC02-05CH11231 with the U.S. Department of Energy.
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