CERN Accelerating science

Article
Report number	CERN-ACC-2018-181
Title	802 MHz ERL Cavity Design and Development
Author(s)	Marhauser, F (Jefferson Lab) ; Castagnola, S (Jefferson Lab) ; Clemens, W A (Jefferson Lab) ; Dail, J G (Jefferson Lab) ; Dhakal, P (Jefferson Lab) ; Fors, F (Jefferson Lab) ; Henry, J (Jefferson Lab) ; Rimmer, R A (Jefferson Lab) ; Turlington, L (Jefferson Lab) ; Williams, R S (Jefferson Lab) ; Calaga, R (CERN) ; Schirm, K M Dr (CERN) ; Jensen, E (CERN)
Publication	2018
In:	9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAL146
DOI	10.18429/JACoW-IPAC2018-THPAL146
Subject category	Accelerators and Storage Rings
Abstract	In the framework of a collaboration between CERN and JLab, an SRF accelerating cavity for energy recovery linacs operating at 802 MHz was developed in the context of the CERN's Large Hadron electron Collider (LHeC) design study. A single-cell and a five-cell cavity from fine grain high RRR niobium were built at JLab to validate the basic RF design in vertical tests. Two copper single-cell cavities were produced in parallel for R&D; purposes at CERN. The cavity design has since been adapted as baseline for the main linac cavities in the proposed Powerful Energy Recovery Linac Experiment facility (PERLE) at Orsay. Details concerning the cavity fabrication and test results for the Nb cavities are presented.

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