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CORNELL LABORATORY FOR ACCELERATOR-BASED SCIENCES AND EDUCATION

CLASSE NEWS | 12 Jul 2012

Cornell SRF Graduate Receives Poster Award at 2012 International HOM Workshop in Daresbury, UK

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Nicholas Valles at the 2012 International HOM Workshop in Daresbury, UK.

We are proud to announce that Nicholas Valles is the winner of the Best Student Poster Award.

His poster presented work on the optimization, fabrication and tests of the 7-cell cavity for Cornell's ERL. The optimized structure strongly damps dangerous higher order modes, and simulations of these accelerating structures suggest that the main linac of Cornell's ERL will be able to support currents of 400mA, or about 4 times larger than its design specification. Experimental measurements of the prototype cavity show that it exceeds quality factor specifications at the operating gradient by more than 50%. It also set a world record for quality factor of a multicell cavity installed in a horizontal test cryomodule, with a Q0 of 6x1010.

Nick is in his fifth year of PhD studies in the SRF group. His advisor is Matthias Liepe.