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- W18048019 abstract "At the Continuous Electron Beam Accelerator Facility (CEBAF), under construction in Newport News, Virginia, a superconducting, recirculating, cw linac will provide a nominal 4GeV, 200 muA electron beam for distribution to simultaneous nuclear physics experiments in three end stations. As of August, 1992, the 45 MeV injector - with 18 superconducting cavities in 2-1/4 cryomodules identical to those being installed in the main accelerator - has completed initial commissioning and has validated systems design by meeting energy, current and beam quality specifications. Cryomodule production has reached a rate of two/month, 12 (of 40) linac cryomodules are installed in the 1300-m-circumference tunnel, and low-power linac tests are being initiated. High-power rf amplifiers and power supplies have been installed, and checkout is proceeding. The 4800 W helium refrigeration plant is in commissioning and supports injector operations. Helium transfer line installation is nearing completion. East arc dipoles are installed. The control system is operational for the injector and being installed in the accelerator. Preparations are under way for preliminary linac beam tests. All major experimental equipment components are in industrial production, initial spectrometer carriage mechanical installation is proceeding in one end station, and scientific program planning is well advanced. Accelerator completion is scheduledmore » for the first quarter of 1994, with first physics operations in the second quarter. Recent evaluation of energy potential shows the likelihood of ~6 GeV at turn-on, with evolutionary change to 8-10 GeV thereafter. A CEBAF R&D program for high-power IR and UV free electron lasers based on superconducting rf technology is being proposed.« less" @default.
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- W18048019 date "1992-06-20" @default.
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- W18048019 title "Report on CEBAF" @default.
- W18048019 hasPublicationYear "1992" @default.
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