Conference


APT Accelerator Technology

J. David Schneider

Los Alamos National Laboratory, U.S.A

Abstract

The proposed accelerator production of tritium (APT) project requires an accelerator that provides a cw proton beam of 100 mA at 1300 MeV. Since the majority of the technical risk of a high-current cw (continuous-wave, 100% DF) accelerator resides in the low-energy section, Los Alamos is building a 20 MeV duplicate of the accelerator front end to confirm design codes and demonstrate operational reliability. We report on design details of this low-energy demonstration accelerator (LEDA) and discuss the integrated design of the full APT accelerator. LEDA's proton injector is under test and has produced more than 130 mA at 75 keV. Fabrication is proceeding on a 7-MeV, 8-meter-long RFQ, and detailed design is underway on coupled-cavity drift-tube linac (CCDTL) structures. In addition, detailed design and technology experiments are underway on low-beta superconducting cavities to assess their feasibility for replacing conventional (room-temperature copper) coupled-cavities.
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sln 14 March 1996