The CERN PS multi-turn extraction based on beam splittting in stable islands of transverse phase space: Design Report

Since 2001 considerable effort has been devoted to the study of a possible replacement of the continuous-transfer extraction mode from the PS to the SPS. Such an approach, called Multi-Turn Extraction (MTE), is based on capture of the beam inside stable islands of transverse phase space, generated b...

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Detalles Bibliográficos
Autores principales: Giovannozzi, Massimo, Barnes, M J, Berrig, O E, Beuret, A, Borburgh, J, Bourquin, P, Brown, R, Burnet, Jean Paul, Caspers, Friedhelm, Cravero, J M, Dobers, T, Fowler, T, Gilardoni, S S, Hourican, M, Kalbreier, Willi, Kroyer, T, Di Maio, F, Martini, M, Mertens, V, Métral, E, Metzmacher, K D, Rossi, C, Royer, J P, Sermeus, L, Steerenberg, R, Villiger, G, Zickler, T
Lenguaje:eng
Publicado: CERN 2006
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.5170/CERN-2006-011
http://cds.cern.ch/record/987493
Descripción
Sumario:Since 2001 considerable effort has been devoted to the study of a possible replacement of the continuous-transfer extraction mode from the PS to the SPS. Such an approach, called Multi-Turn Extraction (MTE), is based on capture of the beam inside stable islands of transverse phase space, generated by sextupoles and octupoles, thanks to a properly chosen tune variation. Both numerical simulations and measurements with beam were performed to understand the properties of this new extraction mode. The experimental study was completed at the end of 2004 and by the end of 2005 a scheme to implement this novel approach in the PS machine was defined and its performance assessed. This design report presents the outcome of the studies undertaken both in terms of technical issues as well as of resources necessary to implement the proposed scheme.

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