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First results from two Nb3Sn cavities assembled in a CEBAF quarter cryomodule

Year: 2024

Type: conference-paper

Abstract: Two 1.5 GHz CEBAF C75-shape 5-cell accelerator cavities were coated with Nb3Sn film using the vapor diffusion technique at Fermilab and Jefferson Lab coating facilities. Both cavities were measured at 4 K and 2 K in the vertical dewar test in each lab, then assembled into a CEBAF quarter cryomodule at Jefferson Lab. The cryomodule was tested in 4 K and 2 K in the CryoModule Test Facility at Jefferson Lab. RF test results for both cavities in the cryomodule are similar to those of the qualification test in VTS, with one cavity reaching Eacc = 7.5 MV/m and the other - 13 MV/m at 4 K. In this contribution we discuss the progress with assembling Nb3Sn cavities in a cryomodule and the first results from cryomodule testing.

Source: JACOW

DOI: 10.18429/jacow-linac2024-thaa004

Authors: Eremeev,Grigory, Reilly,Anthony, Tennis,Brad, Ciovati,Gianluigi, Fischer,John, Macha,Kurt, Weaks,Matthew, Drury,Michael, McCaughan,Michael, Rimmer,Robert, Posen,Sam, Cheban,Sergey, Pudasaini,Uttar

Institutions: Fermi National Accelerator Laboratory, Thomas Jefferson National Accelerator Facility

Language: English

Topic: Particle accelerators and beam dynamics

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

OpenAlex ID: W6887921634

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