Paper | Title | Page |
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THPMA07 | Cryomodule Performance of the Main Linac Prototype Cavity for Cornell's Energy Recovery Linac | 1367 |
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Funding: NSF Grants: NSF DMR-0807731 and NSF PHY-1002467 Energy Recovery Linacs (ERLs) require strong damping of higher-order modes in main linac cavities to avoid beam loss from beam break-up effects. In addition, the cavities need to have very high intrinsic quality factors to minimize the size of cryogenic plants in CW cavity operation. We present world record results for a fully equipped multicell cavity in a cryomodule, reaching intrinsic quality factors at operating accelerating field of Q0(E =16.2 MV/m, 1.8~K) > 6.0\ee10 and Q0(E =16.2 MV/m, 1.6~K) = 1.0\ee{11}, corresponding to a residual surface resistance of 1.1~nΩ. |
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