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Molecular Pumping Properties of the LHC Arc Beam Pipe and Effective Secondary Electron Emission from Cu Surface with Artificial Roughness
The simplified 2D method of angular coefficients is applied to calculate the molecular pumping properties of complicate vacuum systems. An optimisation of the cold LHC beam vacuum chamber geometry with electron shields is performed. An additional interesting application of the angular coefficients m...
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| Lenguaje: | eng |
| Publicado: |
2003
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| Acceso en línea: | http://cds.cern.ch/record/639797 |