Analysis of Some Phenomena in the Commissioning of Storage Ring in the Phase Ⅱ Project of HLS

LIU Zu-Ping; LI Wei-Min; XU Hong-Liang; WANG Lin; FENG Guang-Yao; ZHANG Shan-Cai; Hong Jun

Chinese Physics C> 2006, Vol. 30> Issue(S1) : 72-74

Analysis of Some Phenomena in the Commissioning of Storage Ring in the Phase Ⅱ Project of HLS

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China

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Abstract：
The main subsystems of the Hefei Light Source (HLS) storage ring were upgraded in the Phase II project of the NSRL. Some phenomena, occurred in the commissioning of the HLS storage ring, were simply described and analyzed in this paper. Firstly, the performance of the injection system was analyzed by the numerical tracking study. Then the adjustment of the RF system was explained with the traditional Pederson model. The effects of the octupole system were expressly revealed by the beam stability diagram with and without octupoles. Finally, the linear optics compensation of the super-conducting wiggler magnet was introduced briefly. Generally, these analyses basically agree with the physical phenomena and maybe helpful for the improvement of the HLS storage ring.

References

[1]

. Boussard D. RF Stability Design for Stability, from Hand-book of Accelerator Physics and Engineering. Edited byA.W.Chao and M.Tigner, Singapore: World Scientific,19982. Pedersen F. Beam Loading Effects in the CERN PSBooster, IEEE Transactions on Nuclear Science, 1975, NS-22(3): 1906—19093. Pedersen F. A Novel RF Cavity Tuning Feedback Schemefor Heavy Beam Loading, IEEE Transactions on NuclearScience, 1985, NS-22(3): 2138—21404. Berg J S, Ruggiero F. Stability Diagrams for Landau Damping, PAC’97, Vancouver, B.C., Canada, 12-16 May19975. Wiedemann H. Particle Accelerator Physics II: Nonlinearand Higher Order Beam Dynamics, second edition, Berlin:Springer, 19986. Safranek J, Nuclear Inst. Methods, 1997, A388: 27—36

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LIU Zu-Ping, LI Wei-Min, XU Hong-Liang, WANG Lin, FENG Guang-Yao, ZHANG Shan-Cai and Hong Jun. Analysis of Some Phenomena in the Commissioning of Storage Ring in the Phase Ⅱ Project of HLS[J]. Chinese Physics C, 2006, 30(S1): 72-74.

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Received: 2005-12-07
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Analysis of Some Phenomena in the Commissioning of Storage Ring in the Phase Ⅱ Project of HLS

Corresponding author: WANG Lin,

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China

Received Date: 2005-12-07

Accepted Date: 1900-01-01

Available Online: 2006-01-04

Abstract: The main subsystems of the Hefei Light Source (HLS) storage ring were upgraded in the Phase II project of the NSRL. Some phenomena, occurred in the commissioning of the HLS storage ring, were simply described and analyzed in this paper. Firstly, the performance of the injection system was analyzed by the numerical tracking study. Then the adjustment of the RF system was explained with the traditional Pederson model. The effects of the octupole system were expressly revealed by the beam stability diagram with and without octupoles. Finally, the linear optics compensation of the super-conducting wiggler magnet was introduced briefly. Generally, these analyses basically agree with the physical phenomena and maybe helpful for the improvement of the HLS storage ring.

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Analysis of Some Phenomena in the Commissioning of Storage Ring in the Phase Ⅱ Project of HLS

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