IR2 aperture measurements at 3.5 TeV

Aperture measurements in the ALICE interaction region were carried out to determine a safe configuration of beta* and crossing angle for the 2011 heavy ion run. Proton beams were used at the end of the proton run, after the commissioning of the squeeze to beta*= 1 m in IR2. In this paper, the result...

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Detalles Bibliográficos
Autores principales: Alabau Pons, C, Arduini, A, Assmann, RW, Bruce, R, Giovannozzi, M, Jowett, J M, MacLean, E, Muller, G, Redaelli, S, Tomas, R, Valentino, G, Wenninger, J
Lenguaje:eng
Publicado: 2012
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1421274
Descripción
Sumario:Aperture measurements in the ALICE interaction region were carried out to determine a safe configuration of beta* and crossing angle for the 2011 heavy ion run. Proton beams were used at the end of the proton run, after the commissioning of the squeeze to beta*= 1 m in IR2. In this paper, the results of aperture measurements are summarised and the final collision configuration is presented. Results of parasitic measurements of the effect of non-linear triplet fields with large orbit bumps in the IRs are also summarised

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