Speaker
Description
The RFT-30 cyclotron facility is mainly operated for radioisotope production using a 30 MeV proton beam accelerated by the H- cyclotron. Among the high-energy beam transport lines, one beamline is also used as a research beamline for proton and neutron irradiation experiments. Recently, the irradiation requirements have become more diverse, and studies are being conducted to quantitatively control irradiation parameters such as beam area and irradiation time. As part of this upgrade, a new quadrupole electromagnet is being developed to improve the proton beam focusing characteristics in the target room. The magnet length was reduced to allow a doublet configuration within the limited installation space of the irradiation beamline, while maintaining the required beam transport performance. In addition, a magnetic-field measurement system was developed to evaluate the field distribution and verify the performance of the fabricated quadrupole electromagnet. The measured field data will be used for magnet performance validation and beam optics studies, and the developed magnet system will be applied to the RFT-30 beamline for beam irradiation tests.
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