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- J.S. Sekutowicz
DESY, Hamburg
- L. Ge, K. Ko, L. Lee, Z. Li, C.-K. Ng, G.L. Schussman, L. Xiao
SLAC, Menlo Park, California
- I.G. Gonin, T.K. Khabiboulline, N. Solyak
Fermilab, Batavia, Illinois
- P. Kneisel
Jefferson Lab, Newport News, Virginia
- Y. Morozumi, K. Saito
KEK, Ibaraki
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An international team comprising DESY, KEK, JLAB, FNAL and SLAC is collaborating on the design, fabrication and test of a low loss, 1.3 GHz 9-cell SRF structure as a potential improvement for the ILC main linac. The advantages of this structure over the TTF structure include lower cryogenic loss, shorter rise time, and less stored energy. Among the issues to be addressed in this design are HOM damping, Lorentz force detuning and multipacting. We will report on HOM damping calculations using the parallel finite element eigenmode solver Omega3P and the progress made towards an optimized design. Studies on multipacting and estimates of the Lorentz force detuning will also be presented.
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