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Tests Of An Rf Dipole Crabbing Cavity For An Electron-Ion Collider, A. Castilla, J. R. Delayen
Tests Of An Rf Dipole Crabbing Cavity For An Electron-Ion Collider, A. Castilla, J. R. Delayen
Physics Faculty Publications
On the scheme of developing a medium energy electron-ion collider (MEIC) at Jefferson Lab, we have designed a compact superconducting rf dipole cavity at 750 MHz to crab both electron and ion bunches and increase luminosities at the interaction points (IP) of the machine. Following the design optimization and characterization of the electromagnetic properties such as peak surface fields and shunt impedance, along with field nonuniformities, multipole components content, higher order modes (HOM) and multipacting, a prototype cavity was built by Niowave Inc. The 750 MHz prototype crab cavity has been tested at 4 K and is ready for re-testing …