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As a part of the Upgrade Project of Beijing Tandem Accelerator Laboratory, a 100 MeV compactcyclotron was designed for the generation of high intensity proton beams. Due to the limit of acceptanceby the cyclotron central region, a new H~- cusp source was developed at CIAE based on TRIUMF’sexperience to get higher beam intensity and keep the emittance within the desired value from thecyclotron design. The source assembly consists of a tubular plasma chamber (inner diameter: 98 mm;
As a part of the Upgrade Project of Beijing Tandem Accelerator Laboratory, a 100 MeV compactcyclotron was designed for the generation of high intensity proton beams. Due to the limit of acceptanceby the cyclotron central region, a new H ~ - cusp source was developed at CIAE based on TRIUM F’sexperience to get higher beam intensity and keep the emittance within the desired value from thecyclotron design. The source assembly consists of a tubular plasma chamber (inner diameter: 98 mm;