| Paper |
Title |
Page |
| MOACH03 |
Beam Dynamics Studies in the BEPCII Storage Rings |
9 |
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- Q.Qin, N. Huang, W.B. Liu, Y.D. Liu, Y.M. Peng, J. Qiu, D. Wang, X.H. Wang, N. Wang, J.Q. Wang, Y.Y. Wei, X.M. Wen, J. Xing, G. Xu, C.H. Yu, C. Zhang, Y. Zhang, Z. Zhao, D.M. Zhou
IHEP, CAS
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As an upgrade project of the Beijing Electron Positron Collider (BEPCII), the commissioning of the storage rings for both collision and synchrotron radiation modes started in Nov. 2006. Besides the normal commissioning on luminosity and beam performance, beam dynamics studies are being carried on as well. Some results on beam parameters determination, single and multi-bunch effect, and beam instabilities of two rings are given in this paper.
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Transparencies |
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| TUACH08 |
Experimental Background Study in the BEPCII/BESIII |
49 |
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- C.Zhang, D.P. Jin, N. Huang, S.M. Yang, J. Xing,
J.S. Cao, X.Y. Zhao, Q.J. Zhang, Q.B. Wu, Q. Qin, G. Xu, Y.Z. Wu, W.G. Li, Y.F. Wang, C. Zhang, J.Q. Wang, L. Ma, Y.N. Guo,
IHEP, CAS
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Experimental beam-related background study is intro-duced with the BEijing Spectrometor (BESIII) off the interaction region (IR) of the BEPCII [2]. Only safety issues are studied carefully so far for the not good enough detectors’ accuracy. Various experiments are carried out and effective ways to reduce the doses to the IR are found. The results show that the BESIII is safe enough when it is pulled to the IR.
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Transparencies |
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| TUACH11 |
Optics Correction in BEPCII Using Response Matrix |
56 |
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- Q.Qin, Y.Y. Wei, G. Xu, W.B. Liu, D.M. Zhou, Y. Chen,
IHEP, CAS
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The second phase commissioning of the BEPCII (Beijing Electron Positron Collider II) had been made a great progress. The optics correction using LOCO based on orbit response matrix contributed a lot to the successful commissioning. This paper discusses mainly on the procedure and results of optics correction at BEPCII. Using LOCO, we have determined the errors of quadrupole strengths, BPM gains and corrector kicks, and found the quadrupole strengths that restore the design optics well. Optics measurement after correction also shows the real optics agrees well with the design one.
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Transparencies |
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