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Title: Transient beam loading in the ALS harmonic RF system

Abstract

We report on the commissioning of a higher harmonicradiofrequency system at the Advanced Light Source, designed to improvethe beam lifetime. We have achieved an increase above a factor of two inour best results up to now. Transient beam loading of the harmoniccavities, due to the unequal fill patterns, creates the greatestlimitation on lifetime improvement. We also describe several interestingeffects on the operation of the longitudinal and transverse multibunchfeedback system.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Ernest Orlando Lawrence Berkeley NationalLaboratory, Berkeley, CA (US)
Sponsoring Org.:
USDOE Director. Office of Science. Office of High EnergyPhysics, DE-AC03-76SF00515
OSTI Identifier:
900638
Report Number(s):
LBNL-46172; CBP Note - 751
R&D Project: 459001; BnR: KA1501020; TRN: US0702354
DOE Contract Number:  
DE-AC02-05CH11231
Resource Type:
Conference
Resource Relation:
Conference: European Particle Accelerator Conference 2000,Vienna, Austria, 6/24-30/2000
Country of Publication:
United States
Language:
English
Subject:
43; ACCELERATORS; ADVANCED LIGHT SOURCE; CAVITIES; COMMISSIONING; FEEDBACK; HARMONICS; LIFETIME; RF SYSTEMS; TRANSIENTS; longitudinal dynamics radiofrequency storage ring

Citation Formats

Byrd, J., De Santis, S., Georgsson, M., Stover, G., Fox, J., Prabhakar, S., and Teytelman, D. Transient beam loading in the ALS harmonic RF system. United States: N. p., 2000. Web.
Byrd, J., De Santis, S., Georgsson, M., Stover, G., Fox, J., Prabhakar, S., & Teytelman, D. Transient beam loading in the ALS harmonic RF system. United States.
Byrd, J., De Santis, S., Georgsson, M., Stover, G., Fox, J., Prabhakar, S., and Teytelman, D. Thu . "Transient beam loading in the ALS harmonic RF system". United States. https://www.osti.gov/servlets/purl/900638.
@article{osti_900638,
title = {Transient beam loading in the ALS harmonic RF system},
author = {Byrd, J. and De Santis, S. and Georgsson, M. and Stover, G. and Fox, J. and Prabhakar, S. and Teytelman, D.},
abstractNote = {We report on the commissioning of a higher harmonicradiofrequency system at the Advanced Light Source, designed to improvethe beam lifetime. We have achieved an increase above a factor of two inour best results up to now. Transient beam loading of the harmoniccavities, due to the unequal fill patterns, creates the greatestlimitation on lifetime improvement. We also describe several interestingeffects on the operation of the longitudinal and transverse multibunchfeedback system.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {6}
}

Conference:
Other availability
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