Abstract

An infrared camera was installed in the proton beamline upstream of the muon-producing rotating target for real-time two-dimensional temperature imaging of the target. For the first time in a muon production facility, temperature profiles of the target during high-intensity proton beam irradiation were obtained. The observed temperatures were similar to the evaluated values. A moving image of the target was successfully taken during the rotation. Accumulation of moving image data is expected to provide information on the thermal conductivity change due to radiation damage, and is expected to make a significant contribution to the development of accelerators and nuclear materials.

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