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Persistent URL http://purl.org/net/epubs/work/44136
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Record Id 44136
Title Simulation of the electron cloud for various configuration of a damping ring for the ILC
Abstract In the beam pipe of the positron damping ring of the International Linear Collider (ILC), an electron cloud may be first produced by photoelectrons and ionization of residual gases and then increased by the secondary emission process [1]. This paper reports the assessment of electron cloud effects in a number of configuration options for the ILC baseline configuration. Careful estimates were made of the secondary electron yield threshold for electron cloud build-up, and the related single- and coupled-bunch instabilities, as a function of beam current and surface properties for a variety of optics designs. When the configuration for the ILC damping rings was chosen at the end of 2005, the results from these studies were important considerations. On the basis of the theoretical and experimental work, the baseline configuration currently specifies a pair of 6 km damping rings for the positron beam, to mitigate the effects of the electron cloud that could present difficulties in a single 6 km ring.
Organisation CCLRC , CI
Keywords Physics
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Language English (EN)
Type Details URI(s) Local file(s) Year
Preprint CI Preprints Cockroft 06-25 2006. Submitted to: 10th European Particle Accelerator Conference (EPAC06), Edinburgh, UK, 26-30th June 2006 Cockcroft-06-25.pdf 2006
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