Higher Order Modes in the SC Cavities of the SPL

Gerigk, F.; Schuh, M.; Tückmantel, J.; Welsch, C. P.

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Higher Order Modes in the SC Cavities of the SPL

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Schuh, M.
Carsten Welsch - Helmholtz University Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Welsch, C. P.
Carsten Welsch - Helmholtz University Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Citation

Gerigk, F., Schuh, M., Tückmantel, J., & Welsch, C. P. (2009). Higher Order Modes in the SC Cavities of the SPL. Joint Accelerator Conferences Website (JACoW), PAC09: FR5REP053, 4887-4889.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-77E4-7

Abstract

In this paper is analysed the influence of Higher Order Modes (HOM) on the operation of the superconducting linac section of the SPL, the Superconducting Proton Linac being designed at CERN. For this purpose, the characteristics of the TM Monopoles in the 2 different beta families (5-cell cavities at β = 0.65, 1.0 both at 704 MHz) of the SPL are calculated to estimate their effect on cryogenics and beam stability. For both criteria the maximum external Q of the HOMs is defined.