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Superconducting waveguide for CEBAF.

Superconducting Waveguide for CEBAF

The first two superconducting accelerating cavities to be made by U.S. industry have been completed by Babcock and Wilcox Co. in Lynchburg, Va., for the Continuous Electron Beam Accelerator Facility (CEBAF), which is under construction at Newport News, Va. (SN:8/9/86,p.90). In the cavities, radio waves will accelerate electrons. To sustain the rate at which CEBAF will put out accelerated electrons, the cavities have to be able to pass electric current without resistance. This superconducting quality reduces waste energy and waste heat to almost nothing. The completed accelerator will require more than 400 cavities.

Hermann A. Grunder, CEBAF's director, says his greatest worry was whether industry could fabricate the cavities, but metals unusual in industry, such as niobium. The design for the cavities was developed at Cornel University in Ithaca, N.Y.
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Title Annotation:Continuous Electron Beam Accelerator Facility
Publication:Science News
Date:Oct 11, 1986
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