Design and high-heat flux testing of an interceptive-diagnostic device for aproton beam

摘要

The design and high-heat flux testing of an interceptive-diagnostic device thatwill be used to probe an intense-proton beam is described in this paper. An intense-proton beam is produced in a Radio Frequency Quadrupole (RFQ) accelerator and injected into a magnetically Focusing-Defocusing (FODO) lattice in order to study the formation of beam halo. Due to the nature of making beam halo formation measurements in a proton beam it becomes necessary to insert an interceptive device near the center of the beam. The interceptive device used to probe the beam is referred to here as a scraper. The peak heat flux experienced by the scraper is on the order of 610 kW/cm2. The scraper consists of a copper base that is water cooled, with a piece of graphite joined to it.