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conference paper
Effects of an Asymmetric Chamber on the Beam Coupling Impedance
2012
IPAC2012 Proceedings
The wake function of an accelerator device appears to have a constant term if the geometry of the device is asymmetric or when the beam passes off axis in a symmetric geometry. Its contribution can be significant and has to be taken into account. In this paper a generalized definition of the impedance/wake is presented to take into account also this constant term. An example of a device where the constant term appears is analyzed. Moreover, the impact of a constant wake on the beam dynamics is discussed and illustrated by a HEADTAIL simulation.
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weppr073.pdf
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openaccess
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592 KB
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Adobe PDF
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a746f7fe91417e4d8fefa6e5f5c15d82