A new proton injector based on PKU-type 2.45GHz PMECR ion source for BNCT facility

Journal of Physics: Conference Series(2024)

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摘要
Abstract A first fully domestically Accelerator-based boron neutron capture therapy demonstration device(AB-BNCT) located in Yangtze River Delta region is being build recently. The project is held by “Xi’an Jiaotong University-Huzhou Neutron Science Laboratory” joint lab established by Xi’an Jiaotong University and Huzhou Industrial Group. The AB-BNCT facility requires a proton beam of 30 mA@40 keV at RFQ entrance, with its beam duty cycle between 0.5%-100%, and its normalized root mean square emittance less than 0.2 π.mm.mrad. Ion source group of Peking University (PKU) is in charge of the proton ion source and its low energy beam transportation section (LEBT). A PKU type compact permanent magnet 2.45 GHz ECR ion source (PKU-Type PMECR) and a two solenoid LEBT is under development for this purpose. So far, the PMECR ion source conditioning is complete and all parameters are better than required for this facility. The details will be presented in the present paper.
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