Suppressing Electron Cloud in Future Linear Colliders

Any accelerator circulating positively charged beams can suffer from a build-up of an electron cloud (EC) in the beam pipe. The cloud develops through ionization of residual gases, synchrotron radiation and secondary electron emission and, when severe, can cause instability, emittance blow-up or los...

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Bibliographic Details
Main Authors: Pivi, M., Raubenheimer, T.O., Kirby, R.E., le Pimpec, F.
Format: Conference Proceeding
Language:English
Subjects:
Clouds
Colliding beam accelerators
Electron accelerators
Electron beams
Gases
Ion accelerators
Ionization
Large Hadron Collider
Particle beams
Synchrotron radiation
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Summary:Any accelerator circulating positively charged beams can suffer from a build-up of an electron cloud (EC) in the beam pipe. The cloud develops through ionization of residual gases, synchrotron radiation and secondary electron emission and, when severe, can cause instability, emittance blow-up or loss of the circulating beam. The electron cloud is potentially a luminosity limiting effect for both the Large Hadron Collider (LHC) and the International Linear Collider (ILC). For the ILC positron damping ring, the development of the electron cloud must be suppressed. This paper discusses the state-of-the-art of the ongoing SLAC and international R&D program to study potential remedies.
ISSN:1944-4680
2152-9582
DOI:10.1109/PAC.2005.1590350