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INJECTION SYSTEM DESIGN FOR THE BSNS/RCS.
J. Y. TANG
Y. CHEN
L. SHEN
W. WANG
Y. L. JIANG
J. WEI
J. QIU
W. KANG
J. B. PANG
Y. L. CHI
Q. QIN
出版
Brookhaven National Laboratory
, 2006
URL
http://books.google.com.hk/books?id=naRDAQAACAAJ&hl=&source=gbs_api
註釋
The BSNS injection system is designed to take one uninterrupted long drift in one of the four dispersion-free straight sections to host all the injection devices. Painting bumper magnets are used for both horizontal and vertical phase space painting. Closed-orbit bumper magnets are used for facilitating the installation of the injection septa and decreasing proton traversal in the stripping foil. Even with large beam emittance of about 300 {pi}mm.mrad used, BSNS/RCS still approaches the space charge limit during the injection/trapping phase for the accumulated particles of 1.9*10{sup 13} and at the low injection energy of 80 MeV. Uniform-like beam distribution by well-designed painting scheme is then obtained to decrease the tune shift/spread. ORBIT code is used for the 3D simulations. Upgrading to higher injection energy has also been considered.