STI Publications - View Publication Form #11411

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Publication Information
Title OPTIMIZING CENTRIFUGAL BARREL POLISHING FOR MIRROR FINISH SRF CAVITY AND RF TESTS AT JEFFERSON LAB
Abstract We performed Centrifugal Barrel Polishing (CBP) on a 1.3 GHz fine grain TESLA single cell cavity and 1.5 GHz fine grain CEBAF high gradient superconducting radio frequency (SRF) single cell cavity following a modified recipe originally developed at Fermi National Accelerator Lab (FNAL). We were able to obtain a mirror like surface similar to that obtained at FNAL, while reducing the number of CBP steps and total processing time. This paper will discuss the change in surface and subsequent cavity performance post CBP, after a 800 C bake (no pre-bake chemistry) and minimal controlled electro-polishing (10 micron). In addition to Q vs. E_ACC thermometry mapping with preheating characteristics and optical inspection of the cavity after CBP will also be shown.
Author(s) Ari Palczewski, Rongli Geng, Hui Tian
Publication Date July 2012
Document Type Meeting, Proceedings
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Accelerator Ops, R&D / Inst for SRF Sci & Tech / SRF Processes & Materials
Funding Source
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-ACC-12-1553 OSTI Number: 1048063
LANL Number: Other Number: DOE/OR/23177-2147
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 Paper (proceedings only)
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 2435
Year 2012
Attachments/Datasets/DOI Link
Document(s)
WEPPC0945.pdf (STI Document)
Dataset(s) (none)
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