Tune shift induced by nonlinear resistive wall wake field of flat collimator

We present formulae for the coherent and incoherent tune shifts due to the nonlinear resistive wall wake field for a single beam traveling between two parallel plates. In particular, we demonstrate that the nonlinear terms of the resistive-wall wake field become important if the gap between the plat...

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Detalles Bibliográficos
Autores principales: Zimmermann, Frank, Arduini, Gianluigi, Assmann, R W, Burkhardt, H, Caspers, Friedhelm, Gasior, M, Jones, R, Kroyer, T, Métral, E, Redaelli, S, Robert-Démolaize, G, Roncarolo, F, Rumolo, Giovanni, Steinhagen, Ralph J, Wenninger, J
Lenguaje:eng
Publicado: 2006
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/972324
Descripción
Sumario:We present formulae for the coherent and incoherent tune shifts due to the nonlinear resistive wall wake field for a single beam traveling between two parallel plates. In particular, we demonstrate that the nonlinear terms of the resistive-wall wake field become important if the gap between the plates is comparable to the transverse rms beam size. We also compare the theoretically predicted tune shift as a function of gap size with measurements for an LHC prototype graphite collimator in the CERN SPS and with simulations.

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