Chin. Phys. Lett.  2007, Vol. 24 Issue (1): 80-82    DOI:
Original Articles |
Optimization on Synchrotron Radiation Lattice of BEPCII
SUN Yi-Peng1,2;GAO Jie2;GUO Zhi-Yu1
1Key Laboratory of Heavy Ion Physics (MOE) and School of Physics, Peking University, Beijing 100871 2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049
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SUN Yi-Peng, GAO Jie, GUO Zhi-Yu 2007 Chin. Phys. Lett. 24 80-82
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Abstract The Beijing Electron and Positron Collider II (BEPCII) is a double ring electron--positron collider, which can also be used as a synchrotron radiation (SR) light source. Since the BEPCII will start commissioning with SR mode in November 2006, it is essential to have a satisfying SR lattice. Here we first perform frequency map analysis on the original BEPCII SR lattice. The result shows that the resonance is really severe in the lattice and the transverse motion of particles is unstable. Then a new SR lattice is designed to obtain a arge dynamic aperture and much more stable transverse motion. The dynamic aperture of the new lattice including nonlinear wiggler effect is calculated to be very good. This new SR lattice can be used in the commissioning stage of the BEPCII.
Keywords: 29.20.Dh      29.27.Bd      21.10.Tg     
Published: 01 January 2007
PACS:  29.20.Dh  
  29.27.Bd (Beam dynamics; collective effects and instabilities)  
  21.10.Tg (Lifetimes, widths)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I1/080
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