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Title: RF control studies for moderate beamtime coupling between SRF cavities

Abstract

When an SRF accelerator is designed, there is motivation to move the cavities close together on the beamline. Assuming the beamline apertures are not shrunk as well, this compaction (which will increase the overall accelerating gradient and/or lower the dynamic cryogenic heat load) increases the inter-cavity coupling. Within certain limits, the control system can compensate for this coupling by retuning each of the cavities. This paper describes constraints on the RF system, tuners, couplers, and control systems that are required to provide stable operation of cavities in the presence of inter-cavity coupling that exceeds the loaded bandwidth of an individual cavity.

Authors:
;
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
Sponsoring Org.:
USDOE Office of Energy Research (ER) (US)
OSTI Identifier:
756022
Report Number(s):
DOE/ER/40150-1362; JLAB-ACE-98-02
TRN: US0002708
DOE Contract Number:  
AC05-84ER40150
Resource Type:
Conference
Resource Relation:
Conference: 1998 Linear Accelerator Conference, Chicago, IL (US), 08/24/1998--08/28/1998; Other Information: PBD: 1 Aug 1998
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; RF SYSTEMS; SUPERCONDUCTING CAVITY RESONATORS; TUNING; COMPUTERIZED CONTROL SYSTEMS; OPERATION

Citation Formats

L. R. Doolittle, and D. X. Wang. RF control studies for moderate beamtime coupling between SRF cavities. United States: N. p., 1998. Web.
L. R. Doolittle, & D. X. Wang. RF control studies for moderate beamtime coupling between SRF cavities. United States.
L. R. Doolittle, and D. X. Wang. Sat . "RF control studies for moderate beamtime coupling between SRF cavities". United States. doi:. https://www.osti.gov/servlets/purl/756022.
@article{osti_756022,
title = {RF control studies for moderate beamtime coupling between SRF cavities},
author = {L. R. Doolittle and D. X. Wang},
abstractNote = {When an SRF accelerator is designed, there is motivation to move the cavities close together on the beamline. Assuming the beamline apertures are not shrunk as well, this compaction (which will increase the overall accelerating gradient and/or lower the dynamic cryogenic heat load) increases the inter-cavity coupling. Within certain limits, the control system can compensate for this coupling by retuning each of the cavities. This paper describes constraints on the RF system, tuners, couplers, and control systems that are required to provide stable operation of cavities in the presence of inter-cavity coupling that exceeds the loaded bandwidth of an individual cavity.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Aug 01 00:00:00 EDT 1998},
month = {Sat Aug 01 00:00:00 EDT 1998}
}

Conference:
Other availability
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