| Paper |
Title |
Page |
| MOP053 |
Construction of a High-Current RFQ for ADS Study
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165 |
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- S. Fu, S. X. Fang, K. Y. Gong, J. Li, H. F. Ouyang, J. M. Qiao, T. G. Xu, W. W. Xu, X. A. Xu, Y. Yao, H. S. Zhang, Z. H. Zhang
IHEP Beijing, Beijing
- X. L. Guan
CIAE, Beijing
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A high current RFQ accelerator has been constructed in China for the basic study of Accelerator Driven Subcritical System. The ADS project is supported by a national program and aimed at the development of clean nuclear energy to meet of the rapid growth of the nuclear power plants in China. The 3.5MeV RFQ accelerator has been fabricated and installed. Field tuning and high power conditioning indicate a good agreement with our design. The beam commissioning with an ECR ion source is under development. This paper will present the recent progress in the construction and commissioning of the RFQ accelerator.
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| TU2003 |
China Spallation Neutron Source Linac Design
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222 |
| |
- S. Fu, S. X. Fang
IHEP Beijing, Beijing
- J. Wei
BNL, Upton, Long Island, New York
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Beijing Spallation Neutron Source has been approved in principle by the Chinese government. BSNS can provide a beam power of 100kW on the target in the first phase, and then 200kW in the second phase. The accelerator complex of BSNS consists of an H- linac of 81MeV and a rapid cycling synchrotron of 1.6GeV at 25Hz repetition rate. In the second phase, the linac energy will be upgraded to 134MeV and the average current will be doubled. The linac has been designed, and some R&D studies have been lunched under the support from Chinese Academy of Sciences. The linac comprises a H- ion source, an RFQ and a conventional DTL with EMQs. This paper will present our major design results and some progresses in the R&D of the linac.
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| TU2004 |
Results on the Beam Commissioning of the Superconducting-RFQ of the New LNL Injector
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227 |
| |
- A. Pisent, G. Bisoffi, D. Carlucci, M. Cavenago, M. Comunian, A. Facco, E. Fagotti, A. Galatà, A. Palmieri, M. Poggi, A. M. Porcellato, P. A. Posocco, C. Roncolato
INFN/LNL, Legnaro, Padova
- S. X. Fang, S. Fu
IHEP Beijing, Beijing
- X. L. Guan
CIAE, Beijing
- S. Vitulli
CNAO Foundation, Milan
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A new injector for the heavy ion superconducting linac ALPI has been built at LNL. This new accelerator, named PIAVE, is designed to accelerate ions with A/Q=<8.5 up to 1.2 MeV/u. The main components are an ECRIS source operating on a high voltage platform, a three harmonic buncher, a superconducting RFQ cryomodule containing two bulk niobium structures and two QWR cryomodules housing 4 cavities each. In the last year the injector has been commissioned, with O, Ar, Ne and Xe beams, and put into operation. The beam performances, and the results of longitudinal and transverse emittance measurements will be shown and compared with simulations. Neon and argon beams have been delivered to the experiments (after acceleration with PIAVE and ALPI) for a total of about 400 hours. It should be noted that this is the first superconducting RFQ in operation; the design opportunities offered by this technology for a wider field of applications will be briefly discussed. The heart of these opportunity is given by the high intervane voltage in a cw RFQ (PIAVE can operate cw with an intervane voltage higher than 250 kV).
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