CERN Accelerating science

Article
Report number CERN-SPS-81-8-DI
Title A computer simulation of injection into a superconducting synchrotron
Author(s) Chen Bo Fei ; Chen Si Yu ; Wilson, Edmund J N
Affiliation (CERN)
Publication 1981
Series (Report)
In: IEEE Trans. Nucl. Sci. 28 (1981) 2599-601
In: 9th Particle Accelerator Conference, Washington, DC, USA, 11 - 13 Mar 1981, pp.2599-601
DOI 10.1109/TNS.1981.4331770
Subject category Nuclear Physics
Abstract Persistent currents circulating in the windings of a superconducting synchrotron produce strong sextupole field imperfections. Apart from the chromaticity which results, and which may be corrected with other sextupoles, stop-bands are excited which limit the region of the working diagram in which the beam will survive at injection when the effect of persistent currents is most felt. In the computer simulation the authors studied how small closed orbit distortions and a residual chromaticity aggravate this situation using as a model a machine of 6.5 km circumference and including synchrotron motion. (6 refs).

Corresponding record in: Inspire


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