| Paper |
Title |
Page |
| WEPLT060 |
Linear Coupling Theory of High Intensity Beams
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1978 |
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- G. Franchetti, I. Hofmann
GSI, Darmstadt
- M. Aslaninejad
IPM, Tehran
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It is planned to use linear coupling in the SIS18 in order to fully or partially equilibrate the transverse emittances before transfer to the projected SIS100 synchrotron. In this paper we show that space charge significantly modifies the coupling mechanism. In particular the width of the stop-band is dominated by the space charge tune shift for weak skew strength. The conditions are discussed, under which slow crossing of the coupling resonance leads to the desired goal of equalizing emittances while maintaining a sufficient matching of the beam to the ring and extraction optics.
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