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Publication Information
Title Recirculating Beam Breakup Study for the 12 GeV Upgrade at Jefferson Lab
Abstract Two new high gradient C100 cryomodules with a total of 16 new cavities were installed at the end of the CEBAF south linac during the 2011 summer shutdown as part of the 12~GeV upgrade project at Jefferson Lab. We surveyed the higher order modes (HOMs) of these cavities in the Jefferson Lab cryomodule test facility and CEBAF tunnel. We then studied recirculating beam breakup (BBU) in November~2011 to evaluate CEBAF low energy performance, measure transport optics, and evaluate BBU thresholds due to these HOMs. This paper discusses the experiment setup, cavity measurements, machine setup, optics measurements, and lower bounds on BBU thresholds by new cryomodules.
Author(s) Ilkyoung Shin, Todd Satogata , Shahid Ahmed, Alex Bogacz, Mircea Stirbet, Haipeng Wang, Yan Wang, Byung Yun, Ryan Bodenstein
Publication Date July 2012
Document Type Meeting, Proceedings
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Accelerator Ops, R&D / Cntr-Adv Studies of Acce / Ctr for Adv Stud of Accel
Funding Source
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-ACP-12-1547 OSTI Number: 1047533
LANL Number: Other Number: DOE/OR/23177-2132
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Meeting / Conference
Meeting Name IPAC'12
Meeting Date 5/20/2012
Document Subtype Poster
Proceedings
Title Proceedings of IPAC 2012
Editor(s) Jeff Corbett, Catherine Eyberger, Kevin Morris, Christine Petit-Jean-Genaz, Todd Satogata, Volker RW Schaa
Publisher IEEE
Refereed No
Page Number 3162
Year 2012
Attachments/Datasets/DOI Link
Document(s)
WEPPR0971.pdf (STI Document)
Dataset(s) (none)
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