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Overall Optics Solutions for very high Beta in ATLAS

An insertion optics with a $\beta$* of at least 2600m has been requested by the ATLAS experiment at the LHC. This is very far from the standard LHC physics optics and implies a significant reduction in the phase advance from this insertion corresponding to about half a unit in tune. We describe seve...

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Detalles Bibliográficos
Autores principales: White, S, Burkhardt, W, Cavalier, S, Heller, M, Puzo, P
Lenguaje:eng
Publicado: 2008
Materias:
Acceso en línea:http://cds.cern.ch/record/1124063
Descripción
Sumario:An insertion optics with a $\beta$* of at least 2600m has been requested by the ATLAS experiment at the LHC. This is very far from the standard LHC physics optics and implies a significant reduction in the phase advance from this insertion corresponding to about half a unit in tune. We describe several alternatives how this could be integrated in overall LHC optics solutions with the possibility to inject, ramp and un-squeeze to the required very high-$\beta$*.