Tag archive: superconducting cavity

Many small klystrons for operability and flexibility

| 10 February 2011 Scientists at KEK in Japan are currently developing a 'distributed radiofrequency system' for delivering radiofrequency power to the ILC accelerating cavities. An alternative solution to the 'klystron cluster scheme', this powering method accommodates the ILC’s new one-tunnel design. Category: Around the World | Tagged: , , , , , ,

Global effort for high-gradient ILC SCRF cavities

| 30 July 2009 I would like to thank Barry Barish (...) for the opportunity to write his column and expand on the efforts for an area of the Main Linac and Superconducting Radiofrequency (ML-SCRF) technology and the tasks ahead of us. Category: Director's Corner | Tagged: , , , ,

Improvements in high-gradient ILC SCRF cavities

| 9 July 2009 ... we plan to set an average operating gradient of 31.5 MV per metre for the 14560 cavities mounted in the 1680 cryomodules of a 500-GeV ILC. Category: Director's Corner | Tagged: , , , ,

Looking inside

| 21 February 2008 At the ILC, roughly 16,000 superconducting RF cavities made of pure niobium will accelerate electrons and positrons to the high energy of 500 GeV. Each one-metre-long cavity consists of nine cells, polished to provide micrometre-level surface smoothness and absolutely no impurities. The inside of the cavities need to literally sparkle since any surface blemishes or dust could cause them to lose their superconductivity, making them unable to sustain the electric field needed to accelerate particles. ILC scientists around the world are devoted to trying to get a higher yield rate for producing good-quality cavities by improving surface treatment methods and inspection procedures. A group of scientists from Kyoto University and KEK jointly developed the novel inspection system to take a close look at the interior surface of the cavities, and produced remarkable results. Category: Feature | Tagged: , , , , ,
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