High efficiency multi-pass proton beam extraction with a bent crystal at the SPS

Recent measurements of 120GeV proton extraction by means of a bent silicon cryt the CERN-SPS accelerator are summarized. The existence of multi-pass extraction has been proven by blocking first-pass extraction: using a crystal covered with an amorphous layer, extracted beam with high efficiency was...

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Detalles Bibliográficos
Autores principales: Altuna, X, Bussa, M P, Carboni, G, Dehning, Bernd, Elsener, K, Ferrari, A, Fidecaro, Giuseppe, Freund, A, Guinand, R, Gyr, Marcel, Herr, Werner, Klem, J T, Laffin, M, Lanceri, L, Mikkelsen, U, Møller, S, Scandale, Walter, Tosello, F, Uggerhøj, Erik, Vuagnin, G, Weisse, E, Weisz, S
Lenguaje:eng
Publicado: 1995
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1016/0370-2693(95)00981-P
http://cds.cern.ch/record/283579
Descripción
Sumario:Recent measurements of 120GeV proton extraction by means of a bent silicon cryt the CERN-SPS accelerator are summarized. The existence of multi-pass extraction has been proven by blocking first-pass extraction: using a crystal covered with an amorphous layer, extracted beam with high efficiency was observed, which provides a direct proof for the importance of the multi-pass mechanism. This opens new possibilities in the design of a bent crystal extraction for LHC.

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