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Title |
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| MOP043 |
Upgrade of 1-MeV Heavy Ion ISR RFQ Accelerator
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139 |
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- Y. R. Lu, J.-E. Chen, J. X. Fang, S. L. Gao, J. F. Guo, Z. Y. Guo, W. G. Li, S. X. Peng, F. Qian, Z. Z. Song, R. Xu, X. Q. Yan, J. X. Yu, M. L. Yu, Z. X. Yuan, H. L. Zhang, K. Zhu
PKU/IHIP, Beijing
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The upgrade of 1 MeV ISR RFQ accelerator has been launched for exploring the possibilities of a few mA heavy ion beam acceleration and its applications on the material science, biological irradiation and RFQ-AMS carbon chronology. A new ECR ion source with extracting voltage of 22kV, and the LEBT matching section have been redesigned and tested to increase the injection beam current and to realize the beam matching. The experimental tests for the different operating parameters have been compared to the simulations by self developed code RFQDYN. The preliminary results will be presented in this paper.
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| THP041 |
400-kW RF Amplifier for a 201.5-MHz Deuteron RFQ Accelerator
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670 |
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- Y. R. Lu, J.-E. Chen, J. X. Fang, Z. Y. Guo, W. G. Li, X. B. Wang, X. Q. Yan, K. Zhu
PKU/IHIP, Beijing
- W. Li, M. Qian
New Affiliation Request Pending, -TBS-
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The dedicated 400kW RF amplifier with hypervaportron TH781 tetrode for a 201.5MHz Deuteron RFQ accelerator has been manufactured and tested successfully. It can deliver 400kW pulse power over RF frequency range from 199MHz to 203MHz with maximum pulse duration of 1ms and 10% duty cycle. The exciter with solid state transistors can output 1kW at both CW and pulse modes. The driver stage can output maximum 20kW. The dummy load with CW 50kW and peak to average ratio of 10 has been modified to fit the requirements of amplifier test measurements.
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| THP042 |
Development of High-Current 201.5-MHz Deuteron RFQ Accelerator
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673 |
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- Z. Y. Guo, J.-E. Chen, J. X. Fang, S. L. Gao, J. F. Guo, W. G. Li, J.-Q. Lu, Y. R. Lu, S. X. Peng, F. Qian, Z. Z. Song, R. Xu, X. Q. Yan, J. X. Yu, K. Zhu
PKU/IHIP, Beijing
- C. Zhang
IAP, Frankfurt-am-Main
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The beam dynamics for a 201.5MHz 50mA 2.0MeV Deuteron RFQ accelerator with duty cycle of 10% has been further improved by using equipartitioning method. The RFQ structure, mechanical design, thermal analysis and its cooling method have been investigated. The tuning of RF cavity for the field and other parameters has been simulated. A new developed ECR ion source and its setup have been completed and tested. The LEBT for the injection of RFQ is under the construction, and the HEBT at RFQ exit for the further applications has been designed and to be constructed in the near future. All the development results will be presented in this paper.
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